{"id":32316,"date":"2026-04-27T10:01:56","date_gmt":"2026-04-27T02:01:56","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&p=32316"},"modified":"2026-08-27T20:26:12","modified_gmt":"2026-08-27T12:26:12","slug":"ni-9236","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/ni-9236\/","title":{"rendered":"NI-9236"},"content":{"rendered":"

Product Introduction<\/h3>\n

\n\u0417\u0435\u043c\u043b\u044f NI-9236<\/strong> \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f 8-channel C Series strain\/bridge input module<\/strong> specifically designed for dynamic measurement of 350 \u03a9 quarter-bridge strain gauges<\/strong>. It combines bridge completion, sensor excitation, signal conditioning, high-resolution analog-to-digital conversion, and simultaneous multi-channel acquisition in a compact C Series module.\n<\/p>\n

\nThe NI-9236 provides 8 \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u0445 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432<\/strong>, 24-bit resolution<\/strong>, and simultaneous sampling rates up to 10 kS\/s per channel<\/strong>. Its synchronized acquisition architecture makes it particularly suitable for applications where strain measurements from multiple locations must be compared at the same instant.\n<\/p>\n

\nTypical applications include structural testing, mechanical testing, impact testing, fatigue testing, load analysis, component validation, automotive testing, aerospace testing, and structural monitoring.\n<\/p>\n

Product Overview<\/h3>\n

\n\u0417\u0435\u043c\u043b\u044f National Instruments NI-9236<\/strong> belongs to the C Series strain and bridge measurement family and is optimized for 350 \u03a9 quarter-bridge strain gauges<\/strong>.\n<\/p>\n

\nA typical measurement architecture is:\n<\/p>\n

\n350 \u03a9 Quarter-Bridge Strain Gauge \u2192 NI-9236 \u2192 CompactDAQ \/ CompactRIO \u2192 Measurement and Analysis Software<\/strong>\n<\/p>\n

\nBecause bridge completion and excitation are integrated into the module, the NI-9236 simplifies strain measurement system design and reduces the amount of external signal-conditioning hardware required.\n<\/p>\n

Key Features<\/h3>\n

8 Strain Measurement Channels<\/h4>\n

\nThe NI-9236 provides 8 \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u0445 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432<\/strong> for measuring multiple quarter-bridge strain gauges from a single C Series module.\n<\/p>\n

\nThis channel density is useful for applications where strain must be measured at several points on a structure or mechanical component.\n<\/p>\n

\nTypical measurement locations can include:\n<\/p>\n

    \n
  • Structural beams<\/li>\n
  • Vehicle components<\/li>\n
  • Mechanical assemblies<\/li>\n
  • Test specimens<\/li>\n
  • Aircraft structures<\/li>\n
  • Machine components<\/li>\n
  • Load-bearing structures<\/li>\n
  • Prototype assemblies<\/li>\n<\/ul>\n

    350 \u03a9 Quarter-Bridge Strain Gauge Support<\/h4>\n

    \nThe NI-9236 is specifically designed for 350 \u03a9 quarter-bridge strain gauge measurements<\/strong>.\n<\/p>\n

    \nThe module incorporates the required quarter-bridge completion circuitry, reducing the need for separate external bridge completion hardware.\n<\/p>\n

    \nThis makes the NI-9236 particularly convenient when building multi-channel strain measurement systems using standard 350 \u03a9 strain gauges.\n<\/p>\n

    Built-In Bridge Completion<\/h4>\n

    \nQuarter-bridge strain measurement requires additional precision resistance to complete the Wheatstone bridge.\n<\/p>\n

    \nThe NI-9236 provides integrated 350 \u03a9 quarter-bridge completion<\/strong>.\n<\/p>\n

    \nA simplified architecture is:\n<\/p>\n

    \n350 \u03a9 Strain Gauge + NI-9236 Internal Bridge Completion \u2192 Complete Measurement Bridge<\/strong>\n<\/p>\n

    \nIntegrating bridge completion inside the module simplifies wiring and reduces the number of external components required in the measurement system.\n<\/p>\n

    Built-In Voltage Excitation<\/h4>\n

    \nThe NI-9236 includes built-in voltage excitation<\/strong> for quarter-bridge strain gauges.\n<\/p>\n

    \nStrain gauges require excitation to produce a measurable bridge output. Integrating excitation into the module simplifies system configuration and helps provide a controlled measurement architecture.\n<\/p>\n

    24-Bit Resolution<\/h4>\n

    \nThe NI-9236 uses a 24-bit Delta-Sigma analog-to-digital converter<\/strong>.\n<\/p>\n

    \nHigh-resolution conversion is important for strain measurements because the electrical changes generated by strain gauges can be very small.\n<\/p>\n

    \nThe 24-bit measurement architecture helps provide the resolution required for mechanical and structural testing applications.\n<\/p>\n

    10 kS\/s per Channel<\/h4>\n

    \nThe NI-9236 supports sampling rates up to 10 kS\/s per channel<\/strong>.\n<\/p>\n

    \nUnlike multiplexed measurement architectures where channels are measured sequentially, the NI-9236 provides simultaneous acquisition across its channels.\n<\/p>\n

    \nThis makes the module suitable for dynamic strain measurements where the timing relationship between channels must be preserved.\n<\/p>\n

    Simultaneous Sampling<\/h4>\n

    \nAll eight NI-9236 channels can acquire measurements simultaneously.\n<\/p>\n

    \nSimultaneous sampling is particularly important for:\n<\/p>\n

      \n
    • Impact testing<\/li>\n
    • Dynamic structural testing<\/li>\n
    • Mechanical transient analysis<\/li>\n
    • Multi-point strain comparison<\/li>\n
    • Component validation<\/li>\n
    • Load event analysis<\/li>\n<\/ul>\n

      \nWhen an impact or mechanical event occurs, simultaneous acquisition allows measurements from different strain gauges to represent the same instant in time.\n<\/p>\n

      Delta-Sigma ADC Architecture<\/h4>\n

      \nThe NI-9236 uses Delta-Sigma ADC technology with analog prefiltering<\/strong>.\n<\/p>\n

      \nThis architecture is well suited for precision dynamic measurements where high resolution, synchronized sampling, and controlled frequency response are important.\n<\/p>\n

      60 VDC Isolation<\/h4>\n

      \nThe NI-9236 provides 60 VDC channel-to-earth ground isolation<\/strong>.\n<\/p>\n

      \nIsolation helps improve measurement robustness and provides protection against common-mode voltage differences between the measurement system and connected equipment.\n<\/p>\n

      1,000 Vrms Transient Isolation<\/h4>\n

      \nThe module also provides 1,000 Vrms transient isolation<\/strong>.\n<\/p>\n

      \nThis helps provide increased protection against transient electrical conditions that may occur in industrial or test environments.\n<\/p>\n

      High Common-Mode Noise Rejection<\/h4>\n

      \nThe isolation and differential measurement architecture help the NI-9236 provide strong rejection of common-mode electrical noise.\n<\/p>\n

      \nThis can be particularly useful when strain gauges are installed on large structures, machinery, vehicles, or test fixtures where electrical interference may be present.\n<\/p>\n

      Technical Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n\u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/th>\n<\/tr>\n
      Product Type<\/td>\nC Series Strain\/Bridge Input Module<\/td>\n<\/tr>\n
      \u041c\u043e\u0434\u0435\u043b\u044c<\/td>\nNI-9236<\/td>\n<\/tr>\n
      Manufacturer<\/td>\n\u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b<\/td>\n<\/tr>\n
      Bus \/ Platform<\/td>\nC Series<\/td>\n<\/tr>\n
      Number of Analog Input Channels<\/td>\n8<\/td>\n<\/tr>\n
      Bridge Configuration<\/td>\nQuarter Bridge<\/td>\n<\/tr>\n
      Nominal Bridge Resistance<\/td>\n350 \u03a9<\/td>\n<\/tr>\n
      Quarter-Bridge Completion<\/td>\n350 \u03a9<\/td>\n<\/tr>\n
      Quarter-Bridge Completion Temperature Coefficient<\/td>\n10 ppm\/\u00b0C Maximum<\/td>\n<\/tr>\n
      ADC Resolution<\/td>\n24 Bit<\/td>\n<\/tr>\n
      ADC Type<\/td>\nDelta-Sigma with Analog Prefiltering<\/td>\n<\/tr>\n
      Sampling Mode<\/td>\n\u0421\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u044b\u0439<\/td>\n<\/tr>\n
      Maximum Sample Rate<\/td>\n10 kS\/s\/ch<\/td>\n<\/tr>\n
      Analog Input Range<\/td>\n\u00b129.4 mV\/V<\/td>\n<\/tr>\n
      Sensor Excitation<\/td>\nBuilt-In<\/td>\n<\/tr>\n
      Channel-to-Earth Isolation<\/td>\n60 \u0412 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0442\u043e\u043a\u0430<\/td>\n<\/tr>\n
      Transient Isolation<\/td>\n1,000 Vrms<\/td>\n<\/tr>\n
      Front Connection<\/td>\n\u0412\u0435\u0441\u0435\u043d\u043d\u0438\u0439 \u0442\u0435\u0440\u043c\u0438\u043d\u0430\u043b<\/td>\n<\/tr>\n
      Operating Temperature<\/td>\n-40 \u00b0C \u0434\u043e 70 \u00b0C<\/td>\n<\/tr>\n
      Primary Sensor Type<\/td>\n350 \u03a9 Quarter-Bridge Strain Gauge<\/td>\n<\/tr>\n
      Primary Applications<\/td>\nDynamic Strain, Structural Test, Impact Test, Mechanical Test and Data Acquisition<\/td>\n<\/tr>\n<\/table>\n

      NI-9236 Part Numbers<\/h3>\n

      \nThe NI-9236 is available in standard and conformal-coated configurations.\n<\/p>\n\n\n\n\n
      Part Number<\/th>\n\u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f<\/th>\nConformal Coating<\/th>\n<\/tr>\n
      785996-01<\/strong><\/td>\nNI-9236 Standard Version<\/td>\nNo<\/td>\n<\/tr>\n
      779994-02<\/strong><\/td>\nNI-9236 Conformal-Coated Version<\/td>\n\u0414\u0430<\/td>\n<\/tr>\n<\/table>\n

      \nBoth versions provide the same core 8-channel, 350 \u03a9 quarter-bridge strain measurement functionality. The conformal-coated version is intended for applications requiring additional protection of the module electronics against environmental contaminants and moisture.\n<\/p>\n

      Included NI-9966 Terminal Plug<\/h3>\n

      \nThe NI-9236 uses a 34-position spring terminal connection<\/strong>.\n<\/p>\n

      \nNI lists the NI-9966 34-position spring terminal plug<\/strong> as an included item with the NI-9236.\n<\/p>\n

      \nWhen purchasing a used NI-9236, verify whether the NI-9966 terminal plug is included because replacement modules may be supplied without their original removable terminal connector.\n<\/p>\n

      How Does the NI-9236 Work?<\/h3>\n

      \nA strain gauge changes electrical resistance when the material to which it is attached experiences mechanical deformation.\n<\/p>\n

      \nBecause the resistance change is very small, the strain gauge is typically incorporated into a Wheatstone bridge measurement circuit.\n<\/p>\n

      \nThe NI-9236 simplifies this process by providing bridge completion, excitation, signal conditioning, and analog-to-digital conversion.\n<\/p>\n

      \nA simplified signal path is:\n<\/p>\n

      \nMechanical Strain \u2192 350 \u03a9 Strain Gauge \u2192 Wheatstone Quarter Bridge \u2192 NI-9236 \u2192 24-Bit ADC \u2192 Digital Strain Data<\/strong>\n<\/p>\n

      What Is a Quarter-Bridge Strain Gauge?<\/h3>\n

      \nA quarter-bridge configuration uses one active strain gauge<\/strong> as part of a Wheatstone bridge.\n<\/p>\n

      \nThe remaining bridge resistance is provided by completion resistors.\n<\/p>\n

      \nA simplified architecture is:\n<\/p>\n

      \n1 Active Strain Gauge + Bridge Completion Resistors = Quarter-Bridge Measurement<\/strong>\n<\/p>\n

      \nQuarter-bridge configurations are widely used because they require only one active strain gauge at each measurement location.\n<\/p>\n

      350 \u03a9 Strain Gauge Measurement<\/h3>\n

      \nThe NI-9236 is optimized for nominal 350 \u03a9 strain gauges<\/strong>.\n<\/p>\n

      \nNI specifies 350 \u03a9 quarter-bridge completion resistance for the module.\n<\/p>\n

      \nThis distinction is important because NI also offers modules intended for other nominal bridge resistances.\n<\/p>\n

      350 \u03a9 Gauge Resistance Range<\/h3>\n

      \nAlthough the NI-9236 is nominally designed for 350 \u03a9 strain gauges, compatible gauges do not necessarily need to measure exactly 350.000 \u03a9.\n<\/p>\n

      \nBased on the module’s \u00b129.4 mV\/V input range and quarter-bridge architecture, the practical resistance range is approximately:\n<\/p>\n\n\n\n\n\n
      \u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\nResistance<\/th>\n<\/tr>\n
      Minimum<\/td>\nApproximately 311 \u03a9<\/td>\n<\/tr>\n
      Nominal<\/td>\n350 \u03a9<\/strong><\/td>\n<\/tr>\n
      Maximum<\/td>\nApproximately 394 \u03a9<\/td>\n<\/tr>\n<\/table>\n

      \nSensor compatibility should still be verified against the complete NI-9236 specifications before installation.\n<\/p>\n

      Dynamic Strain Measurement<\/h3>\n

      \nThe combination of 10 kS\/s\/ch sampling<\/strong> and simultaneous acquisition makes the NI-9236 suitable for dynamic strain measurement.\n<\/p>\n

      \nDynamic strain applications involve mechanical loads that change over time, such as:\n<\/p>\n

        \n
      • Impact events<\/li>\n
      • Mechanical vibration<\/li>\n
      • Rapid loading<\/li>\n
      • Structural movement<\/li>\n
      • Component deformation<\/li>\n
      • Transient mechanical events<\/li>\n<\/ul>\n

        Impact Testing<\/h3>\n

        \nImpact testing is an important application for the NI-9236 because all eight channels can be sampled simultaneously.\n<\/p>\n

        \n\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440:\n<\/p>\n

        \nGauge 1 \u2192 Structural Point A<\/strong>
        \nGauge 2 \u2192 Structural Point B<\/strong>
        \nGauge 3 \u2192 Structural Point C<\/strong>
        \nGauge 4 \u2192 Structural Point D<\/strong>
        \nGauges 5\u20138 \u2192 Additional Measurement Locations<\/strong>\n<\/p>\n

        \nWhen an impact occurs, all channels capture the event on the same sampling timeline, allowing engineers to compare how different parts of the structure respond.\n<\/p>\n

        Structural Testing<\/h3>\n

        \nThe NI-9236 can be used for multi-point structural strain measurement during static and dynamic mechanical tests.\n<\/p>\n

        \nTypical structures include:\n<\/p>\n

          \n
        • Frames<\/li>\n
        • Beams<\/li>\n
        • Vehicle structures<\/li>\n
        • Aircraft components<\/li>\n
        • Mechanical assemblies<\/li>\n
        • Test fixtures<\/li>\n
        • Prototype structures<\/li>\n<\/ul>\n

          Fatigue Testing<\/h3>\n

          \nFatigue testing repeatedly loads a component to evaluate how it behaves over time.\n<\/p>\n

          \nThe NI-9236 can acquire strain measurements from multiple locations while the test specimen undergoes repeated mechanical loading.\n<\/p>\n

          \nMeasurement software can then analyze:\n<\/p>\n

            \n
          • Maximum strain<\/li>\n
          • Minimum strain<\/li>\n
          • Strain range<\/li>\n
          • Cycle behavior<\/li>\n
          • Structural response<\/li>\n
          • Changes during test duration<\/li>\n<\/ul>\n

            Mechanical Component Validation<\/h3>\n

            \nDuring component validation, engineers can install multiple 350 \u03a9 strain gauges on critical areas of the DUT.\n<\/p>\n

            \nThe NI-9236 can simultaneously acquire these signals while the component is subjected to mechanical loads.\n<\/p>\n

            \nThis allows engineers to compare measured strain with:\n<\/p>\n

              \n
            • Design calculations<\/li>\n
            • Finite element analysis<\/li>\n
            • Simulation results<\/li>\n
            • Material limits<\/li>\n
            • Previous test results<\/li>\n<\/ul>\n

              Automotive Testing<\/h3>\n

              \nAutomotive test systems frequently require multi-channel strain measurements from vehicle structures and mechanical components.\n<\/p>\n

              \nPotential applications include:\n<\/p>\n

                \n
              • Chassis testing<\/li>\n
              • Suspension component testing<\/li>\n
              • Vehicle structural testing<\/li>\n
              • Powertrain component testing<\/li>\n
              • Durability testing<\/li>\n
              • Road-load testing<\/li>\n
              • Component fatigue testing<\/li>\n<\/ul>\n

                Aerospace Testing<\/h3>\n

                \nThe NI-9236 can be used in aerospace structural test systems where multiple strain gauges monitor deformation under mechanical loading.\n<\/p>\n

                \nApplications can include:\n<\/p>\n

                  \n
                • Airframe testing<\/li>\n
                • Wing structural testing<\/li>\n
                • Mechanical component validation<\/li>\n
                • Ground testing<\/li>\n
                • Structural load testing<\/li>\n
                • Prototype validation<\/li>\n<\/ul>\n

                  NI-9236 vs NI-9235<\/h3>\n

                  \nThe NI-9235 and NI-9236 are closely related quarter-bridge strain measurement modules. The primary difference is the nominal strain gauge resistance.\n<\/p>\n\n\n\n\n\n\n\n\n\n
                  \u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\nNI-9236<\/th>\nNI-9235<\/th>\n<\/tr>\n
                  Bridge Configuration<\/td>\nQuarter Bridge<\/td>\nQuarter Bridge<\/td>\n<\/tr>\n
                  Nominal Gauge Resistance<\/td>\n350 \u03a9<\/strong><\/td>\n120 \u03a9<\/strong><\/td>\n<\/tr>\n
                  \u041a\u0430\u043d\u0430\u043b\u044b<\/td>\n8<\/td>\n8<\/td>\n<\/tr>\n
                  \u0420\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/td>\n24 Bit<\/td>\n24 Bit<\/td>\n<\/tr>\n
                  Maximum Sampling Rate<\/td>\n10 kS\/s\/ch<\/td>\n10 kS\/s\/ch<\/td>\n<\/tr>\n
                  Sampling Architecture<\/td>\n\u0421\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u044b\u0439<\/td>\n\u0421\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u044b\u0439<\/td>\n<\/tr>\n
                  Best Application<\/td>\n350 \u03a9 Quarter-Bridge Gauges<\/strong><\/td>\n120 \u03a9 Quarter-Bridge Gauges<\/strong><\/td>\n<\/tr>\n<\/table>\n

                  \nIf the application uses 350 \u03a9 quarter-bridge strain gauges, the NI-9236 is the appropriate model. For nominal 120 \u03a9 quarter-bridge gauges, the NI-9235 should be considered.\n<\/p>\n

                  NI-9236 vs NI-9237<\/h3>\n

                  \nThe NI-9236 and NI-9237 are both C Series strain\/bridge input modules, but they are optimized for different bridge configurations and measurement requirements.\n<\/p>\n\n\n\n\n\n\n\n
                  \u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\nNI-9236<\/th>\nNI-9237<\/th>\n<\/tr>\n
                  \u041a\u0430\u043d\u0430\u043b\u044b<\/td>\n8<\/strong><\/td>\n4<\/td>\n<\/tr>\n
                  Primary Bridge Configuration<\/td>\n350 \u03a9 Quarter Bridge<\/strong><\/td>\nMore Flexible Bridge Measurements<\/td>\n<\/tr>\n
                  \u0420\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/td>\n24 Bit<\/td>\n24 Bit<\/td>\n<\/tr>\n
                  Maximum Sample Rate<\/td>\n10 kS\/s\/ch<\/td>\n50 kS\/s\/ch<\/strong><\/td>\n<\/tr>\n
                  Primary Advantage<\/td>\n8-Channel 350 \u03a9 Quarter-Bridge Measurement<\/strong><\/td>\nHigher Speed and Bridge Flexibility<\/td>\n<\/tr>\n<\/table>\n

                  \nChoose the NI-9236 when the application primarily uses multiple 350 \u03a9 quarter-bridge strain gauges. Consider the NI-9237 when higher sampling rates or additional bridge configurations are required.\n<\/p>\n

                  NI-9236 vs General-Purpose Voltage Input Modules<\/h3>\n

                  \nA general-purpose voltage input module can measure electrical voltage, but it does not necessarily provide the bridge-specific functionality required for direct strain gauge measurement.\n<\/p>\n\n\n\n\n\n\n
                  \u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\nNI-9236<\/th>\nGeneral Voltage Input Module<\/th>\n<\/tr>\n
                  Strain Gauge Measurement<\/td>\nPurpose-Built<\/strong><\/td>\nRequires Additional Conditioning<\/td>\n<\/tr>\n
                  350 \u03a9 Bridge Completion<\/td>\nIntegrated<\/strong><\/td>\nTypically External<\/td>\n<\/tr>\n
                  Sensor Excitation<\/td>\nIntegrated<\/strong><\/td>\nTypically External<\/td>\n<\/tr>\n
                  Strain Scaling<\/td>\nDesigned for Bridge Measurement<\/strong><\/td>\nAdditional Configuration Required<\/td>\n<\/tr>\n<\/table>\n

                  NI-9236 with CompactDAQ<\/h3>\n

                  \nThe NI-9236 can be installed in compatible \u041a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u0439 \u0426\u0410\u041f<\/strong> chassis for PC-based strain measurement.\n<\/p>\n

                  \nA typical system consists of:\n<\/p>\n

                    \n
                  • 350 \u03a9 strain gauges<\/li>\n
                  • NI-9236<\/li>\n
                  • CompactDAQ chassis<\/li>\n
                  • Host computer<\/li>\n
                  • \u041d\u0418-DAQmx<\/li>\n
                  • LabVIEW, FlexLogger, or compatible software<\/li>\n<\/ul>\n

                    \nThis architecture is suitable for laboratory structural testing, component validation, fatigue testing, and multi-channel strain data logging.\n<\/p>\n

                    NI-9236 with CompactRIO<\/h3>\n

                    \nThe NI-9236 can also be integrated into compatible CompactRIO<\/strong> systems for embedded and distributed strain measurement.\n<\/p>\n

                    \nA typical architecture is:\n<\/p>\n

                    \nStrain Gauges \u2192 NI-9236 \u2192 CompactRIO \u2192 Real-Time \/ FPGA System \u2192 Analysis, Logging or Control<\/strong>\n<\/p>\n

                    \nCompactRIO integration can be useful for rugged field testing, embedded monitoring, industrial structural measurement, and distributed test systems.\n<\/p>\n

                    NI-DAQmx Integration<\/h3>\n

                    \nWhen used with compatible CompactDAQ hardware, the NI-9236 can be configured through \u041d\u0418-DAQmx<\/strong>.\n<\/p>\n

                    \nTypical configuration parameters include:\n<\/p>\n

                      \n
                    • Physical channel<\/li>\n
                    • Bridge configuration<\/li>\n
                    • Gauge resistance<\/li>\n
                    • Gauge factor<\/li>\n
                    • Excitation<\/li>\n
                    • Sample rate<\/li>\n
                    • Strain units<\/li>\n
                    • Initial bridge balance<\/li>\n<\/ul>\n

                      LabVIEW Integration<\/h3>\n

                      \nThe NI-9236 can be incorporated into compatible \u041b\u0430\u0431\u0412\u044c\u044e<\/strong> applications for automated strain measurement, data acquisition, analysis, visualization, and test control.\n<\/p>\n

                      \nA typical workflow is:\n<\/p>\n

                      \nConfigure Strain Channels \u2192 Balance Bridge \u2192 Configure Timing \u2192 Acquire Data \u2192 Analyze Strain \u2192 Display \/ Log Results<\/strong>\n<\/p>\n

                      FlexLogger Applications<\/h3>\n

                      \nThe NI-9236 can also be used with compatible FlexLogger<\/strong> configurations for interactive sensor setup and data logging.\n<\/p>\n

                      \nThis can simplify applications that require:\n<\/p>\n

                        \n
                      • Multiple strain channels<\/li>\n
                      • Live measurement displays<\/li>\n
                      • \u0420\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445<\/li>\n
                      • Calculated channels<\/li>\n
                      • Test monitoring<\/li>\n
                      • Engineering-unit scaling<\/li>\n<\/ul>\n

                        Strain Gauge Wiring Considerations<\/h3>\n

                        \nCorrect strain gauge wiring is critical for obtaining accurate measurements.\n<\/p>\n

                        \nBefore connecting a gauge to the NI-9236, verify:\n<\/p>\n

                          \n
                        • Gauge resistance<\/li>\n
                        • Quarter-bridge configuration<\/li>\n
                        • Gauge factor<\/li>\n
                        • Lead-wire configuration<\/li>\n
                        • Terminal connections<\/li>\n
                        • Shielding<\/li>\n
                        • Grounding<\/li>\n
                        • Expected strain range<\/li>\n
                        • Temperature environment<\/li>\n<\/ul>\n

                          Bridge Balancing<\/h3>\n

                          \nA strain gauge bridge may produce a non-zero output even when no mechanical strain is applied.\n<\/p>\n

                          \nThis offset can result from:\n<\/p>\n

                            \n
                          • Gauge resistance tolerance<\/li>\n
                          • Installation stress<\/li>\n
                          • Lead-wire resistance<\/li>\n
                          • Temperature<\/li>\n
                          • Mechanical preload<\/li>\n
                          • Bridge component tolerances<\/li>\n<\/ul>\n

                            \nBridge balancing or offset compensation should therefore be performed before precision strain measurements.\n<\/p>\n

                            Gauge Factor<\/h3>\n

                            \n\u0417\u0435\u043c\u043b\u044f gauge factor<\/strong> describes how much the electrical resistance of a strain gauge changes relative to mechanical strain.\n<\/p>\n

                            \nThe correct gauge factor must be entered into the measurement configuration to convert the electrical bridge output into accurate engineering strain values.\n<\/p>\n

                            \nAlways use the gauge factor supplied by the strain gauge manufacturer whenever available.\n<\/p>\n

                            Temperature Effects<\/h3>\n

                            \nTemperature changes can affect strain gauge resistance and therefore influence measurement accuracy.\n<\/p>\n

                            \nFor demanding measurements, consider:\n<\/p>\n

                              \n
                            • Gauge temperature coefficient<\/li>\n
                            • Specimen material<\/li>\n
                            • Gauge installation method<\/li>\n
                            • Lead-wire resistance<\/li>\n
                            • Ambient temperature variation<\/li>\n
                            • Temperature compensation strategy<\/li>\n<\/ul>\n

                              Troubleshooting NI-9236 Measurements<\/h3>\n

                              \nIf NI-9236 measurements are unstable or incorrect, check the complete measurement system.\n<\/p>\n

                                \n
                              1. Verify that the NI-9236 is detected by the chassis.<\/li>\n
                              2. Confirm that a compatible 350 \u03a9 quarter-bridge gauge is connected.<\/li>\n
                              3. Check the strain gauge wiring.<\/li>\n
                              4. Verify the NI-9966 terminal connections.<\/li>\n
                              5. Confirm the correct gauge factor.<\/li>\n
                              6. Perform bridge balancing before measurement.<\/li>\n
                              7. Verify the sample rate.<\/li>\n
                              8. Check cable shielding and grounding.<\/li>\n
                              9. Inspect the strain gauge installation.<\/li>\n
                              10. Check for temperature-induced drift.<\/li>\n
                              11. Verify CompactDAQ or CompactRIO software compatibility.<\/li>\n<\/ol>\n

                                How to Choose a C Series Strain Input Module<\/h3>\n

                                \nBefore selecting the NI-9236, determine:\n<\/p>\n

                                  \n
                                • Required number of strain channels<\/li>\n
                                • Quarter-, half-, or full-bridge configuration<\/li>\n
                                • Nominal strain gauge resistance<\/li>\n
                                • Required sample rate<\/li>\n
                                • Need for simultaneous sampling<\/li>\n
                                • Required resolution<\/li>\n
                                • Excitation requirements<\/li>\n
                                • Isolation requirements<\/li>\n
                                • CompactDAQ or CompactRIO chassis<\/li>\n
                                • Environmental requirements<\/li>\n
                                • Software compatibility<\/li>\n<\/ul>\n

                                  Industries<\/h3>\n
                                    \n
                                  • Automotive<\/li>\n
                                  • Aerospace<\/li>\n
                                  • Mechanical Engineering<\/li>\n
                                  • Structural Engineering<\/li>\n
                                  • Manufacturing<\/li>\n
                                  • Transportation<\/li>\n
                                  • Energy<\/li>\n
                                  • Research and Development<\/li>\n
                                  • Automated Test<\/li>\n
                                  • Industrial Measurement<\/li>\n<\/ul>\n

                                    Applications<\/h3>\n

                                    Dynamic Strain Measurement<\/h4>\n

                                    \nThe NI-9236 provides simultaneous 10 kS\/s\/ch acquisition for dynamic strain measurements using 350 \u03a9 quarter-bridge strain gauges.\n<\/p>\n

                                    Structural Testing<\/h4>\n

                                    \nEight synchronized channels allow strain to be measured at multiple locations on a structure during mechanical loading.\n<\/p>\n

                                    Impact Testing<\/h4>\n

                                    \nSimultaneous sampling allows all channels to capture the same impact event, making the NI-9236 suitable for transient mechanical tests.\n<\/p>\n

                                    Fatigue Testing<\/h4>\n

                                    \nThe module can monitor strain at multiple locations during repeated loading and durability testing.\n<\/p>\n

                                    Automotive Testing<\/h4>\n

                                    \nThe NI-9236 can measure strain on vehicle chassis, suspension systems, mechanical components, and structural assemblies.\n<\/p>\n

                                    Aerospace Structural Testing<\/h4>\n

                                    \nMultiple 350 \u03a9 strain gauges can be monitored simultaneously during airframe and aerospace component testing.\n<\/p>\n

                                    Mechanical Component Validation<\/h4>\n

                                    \nThe NI-9236 can compare measured mechanical strain against design calculations, simulation results, and engineering limits.\n<\/p>\n

                                    Recommended Related Products<\/h3>\n\n\n\n\n\n
                                    NI-9236<\/strong><\/td>\n8-channel, 350 \u03a9 quarter-bridge strain input module with 24-bit simultaneous acquisition at up to 10 kS\/s\/ch.<\/td>\n<\/tr>\n
                                    NI-9235<\/strong><\/td>\n8-channel quarter-bridge strain input module designed for nominal 120 \u03a9 strain gauges.<\/td>\n<\/tr>\n
                                    NI-9237<\/strong><\/td>\n4-channel, 24-bit bridge input module with up to 50 kS\/s\/ch for applications requiring higher speed and more flexible bridge configurations.<\/td>\n<\/tr>\n
                                    NI-9219<\/strong><\/td>\nUniversal C Series analog input module supporting multiple sensor and measurement types for lower-speed applications.<\/td>\n<\/tr>\n<\/table>\n

                                    Why Choose NI-9236?<\/h3>\n
                                      \n
                                    • 8 analog strain input channels<\/li>\n
                                    • Designed for 350 \u03a9 quarter-bridge strain gauges<\/li>\n
                                    • Integrated 350 \u03a9 bridge completion<\/li>\n
                                    • Built-in sensor excitation<\/li>\n
                                    • 24-\u0431\u0438\u0442\u043d\u044b\u0439 \u0434\u0435\u043b\u044c\u0442\u0430-\u0441\u0438\u0433\u043c\u0430 \u0410\u0426\u041f<\/li>\n
                                    • Up to 10 kS\/s per channel<\/li>\n
                                    • \u0421\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0430\u044f \u0432\u044b\u0431\u043e\u0440\u043a\u0430<\/li>\n
                                    • \u00b129.4 mV\/V input range<\/li>\n
                                    • 60 VDC channel-to-earth isolation<\/li>\n
                                    • 1,000 Vrms transient isolation<\/li>\n
                                    • High common-mode noise rejection<\/li>\n
                                    • Spring-terminal connectivity<\/li>\n
                                    • Standard and conformal-coated versions available<\/li>\n
                                    • Suitable for dynamic strain measurement<\/li>\n
                                    • Suitable for impact testing<\/li>\n
                                    • Suitable for structural testing<\/li>\n
                                    • Suitable for fatigue testing<\/li>\n
                                    • Suitable for automotive and aerospace validation<\/li>\n<\/ul>\n

                                      Frequently Asked Questions<\/h3>\n

                                      What is the NI-9236?<\/h4>\n

                                      \nThe NI-9236 is an 8-channel C Series strain\/bridge input module designed for dynamic measurement of 350 \u03a9 quarter-bridge strain gauges.\n<\/p>\n

                                      How many channels does NI-9236 have?<\/h4>\n

                                      \nThe NI-9236 provides 8 \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u0445 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432<\/strong>.\n<\/p>\n

                                      What type of strain gauge does NI-9236 support?<\/h4>\n

                                      \nThe NI-9236 is specifically designed for 350 \u03a9 quarter-bridge strain gauges<\/strong>.\n<\/p>\n

                                      What is the resolution of NI-9236?<\/h4>\n

                                      \nThe NI-9236 uses a 24-\u0431\u0438\u0442\u043d\u044b\u0439 \u0434\u0435\u043b\u044c\u0442\u0430-\u0441\u0438\u0433\u043c\u0430 \u0410\u0426\u041f<\/strong>.\n<\/p>\n

                                      What is the maximum sampling rate of NI-9236?<\/h4>\n

                                      \nThe NI-9236 supports sampling rates up to 10 kS\/s per channel<\/strong>.\n<\/p>\n

                                      Is NI-9236 10 kS\/s per channel or aggregate?<\/h4>\n

                                      \nThe NI-9236 specification is 10 kS\/s per channel<\/strong>. Its channels are simultaneously sampled, rather than sharing a single 10 kS\/s aggregate sampling rate.\n<\/p>\n

                                      Does NI-9236 support simultaneous sampling?<\/h4>\n

                                      \nYes. All eight channels are simultaneously sampled, making the NI-9236 particularly suitable for dynamic strain and impact measurements.\n<\/p>\n

                                      Does NI-9236 provide bridge completion?<\/h4>\n

                                      \nYes. The NI-9236 includes built-in 350 \u03a9 quarter-bridge completion<\/strong>.\n<\/p>\n

                                      Does NI-9236 provide strain gauge excitation?<\/h4>\n

                                      \nYes. The NI-9236 includes built-in voltage excitation for compatible quarter-bridge strain gauges.\n<\/p>\n

                                      What is the input range of NI-9236?<\/h4>\n

                                      \nThe NI-9236 has a specified analog input range of approximately -29.4 mV\/V to +29.4 mV\/V<\/strong>.\n<\/p>\n

                                      Is NI-9236 isolated?<\/h4>\n

                                      \nYes. The NI-9236 provides 60 VDC channel-to-earth ground isolation<\/strong> \u0438 1,000 Vrms transient isolation<\/strong>.\n<\/p>\n

                                      What are the NI-9236 part numbers?<\/h4>\n

                                      \nThe primary NI-9236 part numbers are 785996-01<\/strong> for the standard version and 779994-02<\/strong> for the conformal-coated version.\n<\/p>\n

                                      What is the difference between NI-9236 785996-01 and 779994-02?<\/h4>\n

                                      \nBoth provide the same core NI-9236 strain measurement functionality. Part number 779994-02<\/strong> has conformal coating, while 785996-01<\/strong> is the standard non-conformal-coated configuration.\n<\/p>\n

                                      What terminal connector does NI-9236 use?<\/h4>\n

                                      \nThe NI-9236 uses a spring-terminal connection. NI lists the NI-9966 34-position spring terminal plug<\/strong> with the module.\n<\/p>\n

                                      Can NI-9236 measure a 120 \u03a9 strain gauge?<\/h4>\n

                                      \nThe NI-9236 is designed around 350 \u03a9 quarter-bridge completion. For nominal 120 \u03a9 quarter-bridge strain gauges, the NI-9235<\/strong> is the corresponding C Series module and is generally the appropriate choice.\n<\/p>\n

                                      What is the difference between NI-9236 and NI-9235?<\/h4>\n

                                      \nThe primary difference is bridge resistance. The NI-9236 is designed for 350 \u03a9 quarter-bridge strain gauges<\/strong>, while the NI-9235 is designed for 120 \u03a9 quarter-bridge strain gauges<\/strong>.\n<\/p>\n

                                      What is the difference between NI-9236 and NI-9237?<\/h4>\n

                                      \nThe NI-9236 provides eight channels optimized for 350 \u03a9 quarter-bridge gauges at up to 10 kS\/s\/ch. The NI-9237 provides four channels, supports more flexible bridge measurement configurations, and offers sampling rates up to 50 kS\/s\/ch.\n<\/p>\n

                                      Can NI-9236 be used for impact testing?<\/h4>\n

                                      \nYes. Impact testing is an important NI-9236 application because its eight channels are sampled simultaneously, allowing strain measurements from different locations to be compared at the same instant.\n<\/p>\n

                                      Can NI-9236 be used with CompactDAQ?<\/h4>\n

                                      \nYes. The NI-9236 can be used with compatible CompactDAQ chassis for PC-based strain measurement, structural testing, and data logging.\n<\/p>\n

                                      Can NI-9236 be used with CompactRIO?<\/h4>\n

                                      \nYes. The NI-9236 can be integrated into compatible CompactRIO systems for embedded, rugged, and distributed strain measurement applications.\n<\/p>\n

                                      What should I check before purchasing NI-9236?<\/h4>\n

                                      \nVerify that your application uses 350 \u03a9 quarter-bridge strain gauges, and check the required channel count, 10 kS\/s\/ch sampling capability, simultaneous acquisition requirement, gauge factor, wiring, NI-9966 terminal connector, CompactDAQ or CompactRIO chassis compatibility, software compatibility, and whether the standard or conformal-coated version is required.\n<\/p>\n

                                      \u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h3>\n

                                      \n\u0417\u0435\u043c\u043b\u044f NI-9236 8-Channel C Series Strain\/Bridge Input Module<\/strong> is specifically optimized for high-resolution measurement of 350 \u03a9 quarter-bridge strain gauges. With eight simultaneously sampled channels, 24-bit Delta-Sigma conversion, sampling rates up to 10 kS\/s\/ch, built-in bridge completion, integrated excitation, 60 VDC channel-to-earth isolation, and 1,000 Vrms transient isolation, it is particularly well suited for dynamic strain measurement, impact testing, structural testing, fatigue analysis, automotive validation, aerospace testing, and multi-channel mechanical measurement systems.<\/p>","protected":false},"excerpt":{"rendered":"

                                      Bridge Configurations: –
                                      \n\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0434\u0438\u0444\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u0445 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432: 8
                                      \nAnalog Input Voltage Range: -29.4 mV\/V to 29.4 mV\/V
                                      \n\u0412 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442 \u0432\u0445\u043e\u0434\u0438\u0442: \u0414\u0430
                                      \nMaximum Sample Rate: 10 kS\/s\/ch
                                      \n\u0422\u0438\u043f \u0444\u0440\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f: \u043f\u0440\u0443\u0436\u0438\u043d\u043d\u044b\u0439 \u0437\u0430\u0436\u0438\u043c
                                      \n\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u0430\u044f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430: \u0421\u0435\u0440\u0438\u044f C
                                      \nBridge Resistance: 350 Ohm<\/p>","protected":false},"featured_media":31049,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[781],"product_tag":[],"class_list":["post-32316","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-c-series-dynamic-signal-module","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"\nNI-9236 C Series Strain\/Bridge Input 779994-02, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"NI-9236 is an 8-channel C Series strain\/bridge input module for 350 \u03a9 quarter-bridge strain gauges, with 24-bit simultaneous sampling at up to 10 kS\/s\/ch.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pxisource.com\/ru\/product\/ni-9236\/\" \/>\n<meta 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