{"id":29519,"date":"2025-09-17T15:08:03","date_gmt":"2025-09-17T07:08:03","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&p=29519"},"modified":"2026-08-05T21:45:48","modified_gmt":"2026-08-05T13:45:48","slug":"ni-9231","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/ni-9231\/","title":{"rendered":"NI-9231"},"content":{"rendered":"

Product Introduction<\/h3>\n

\n\u0417\u0435\u043c\u043b\u044f NI-9231<\/strong> is a 4-channel C Series dynamic signal acquisition module designed for sound, vibration, and acoustic measurement applications. It provides direct connection to IEPE accelerometers, microphones, and other dynamic sensors with integrated signal conditioning and high-resolution analog acquisition.\n<\/p>\n

\nFeaturing 24-bit ADC resolution, simultaneous sampling, built-in IEPE excitation, and anti-aliasing filtering, the NI-9231 delivers accurate dynamic measurements for machine monitoring, structural testing, automotive validation, and laboratory analysis.\n<\/p>\n

Product Overview<\/h3>\n

\n\u0417\u0435\u043c\u043b\u044f NI-9231<\/strong> belongs to the NI C Series dynamic signal acquisition family and provides four analog input channels optimized for IEPE sensor measurement.\n<\/p>\n

\nEach channel includes integrated current excitation for IEPE sensors, allowing direct connection of vibration accelerometers and acoustic sensors without external signal conditioning hardware. The module provides simultaneous sampling across channels to maintain accurate phase relationships during dynamic measurements.\n<\/p>\n

\nCompatible with CompactDAQ and CompactRIO platforms, the NI-9231 integrates with NI-DAQmx, LabVIEW, FlexLogger, and other NI software environments for scalable sound and vibration measurement systems.\n<\/p>\n

Key Features<\/h3>\n

4-Channel IEPE Dynamic Signal Input<\/h4>\n

\nThe NI-9231 provides four channels for direct measurement from IEPE-based sensors.\n<\/p>\n

    \n
  • 4 analog input channels<\/li>\n
  • IEPE sensor compatibility<\/li>\n
  • Dynamic signal acquisition<\/li>\n
  • Accelerometer measurement<\/li>\n
  • Microphone measurement<\/li>\n<\/ul>\n

    \nAdvantage:<\/strong> Enables direct connection of common industrial vibration and acoustic sensors.\n<\/p>\n

    24-Bit High-Resolution ADC<\/h4>\n

    \nThe NI-9231 uses high-resolution analog conversion technology for accurate dynamic measurements.\n<\/p>\n

      \n
    • 24-\u0431\u0438\u0442\u043d\u043e\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0410\u0426\u041f<\/li>\n
    • High dynamic range<\/li>\n
    • Low-noise signal acquisition<\/li>\n
    • Accurate waveform reproduction<\/li>\n
    • Precision vibration measurement<\/li>\n<\/ul>\n

      \nAdvantage:<\/strong> Captures small amplitude changes in vibration and acoustic signals with high accuracy.\n<\/p>\n

      51.2 kS\/s Per Channel Sampling<\/h4>\n

      \nThe module supports high-speed simultaneous acquisition for dynamic signal analysis.\n<\/p>\n

        \n
      • 51.2 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
      • Hardware-timed acquisition<\/li>\n
      • Transient signal capture<\/li>\n
      • Frequency analysis support<\/li>\n<\/ul>\n

        \nAdvantage:<\/strong> Provides accurate measurement of vibration, noise, and dynamic mechanical behavior.\n<\/p>\n

        Integrated IEPE Current Excitation<\/h4>\n

        \nThe NI-9231 includes built-in excitation for powered IEPE sensors.\n<\/p>\n

          \n
        • Integrated IEPE current source<\/li>\n
        • Direct sensor connection<\/li>\n
        • No external conditioner required<\/li>\n
        • Simplified system wiring<\/li>\n
        • Reduced hardware complexity<\/li>\n<\/ul>\n

          \nAdvantage:<\/strong> Reduces system cost and installation complexity for vibration measurement applications.\n<\/p>\n

          AC\/DC Coupling Support<\/h4>\n

          \nFlexible coupling options allow measurement of different signal types.\n<\/p>\n

            \n
          • AC coupling for dynamic signals<\/li>\n
          • DC coupling for static measurements<\/li>\n
          • Flexible sensor configuration<\/li>\n
          • Expanded application range<\/li>\n
          • Improved measurement flexibility<\/li>\n<\/ul>\n

            \nAdvantage:<\/strong> Supports both vibration analysis and general voltage-based measurements.\n<\/p>\n

            Anti-Aliasing Filtering<\/h4>\n

            \nThe NI-9231 includes integrated filtering for improved signal quality.\n<\/p>\n

              \n
            • Built-in anti-aliasing filters<\/li>\n
            • Signal conditioning<\/li>\n
            • Improved frequency accuracy<\/li>\n
            • Reduced measurement errors<\/li>\n
            • Reliable dynamic analysis<\/li>\n<\/ul>\n

              \nAdvantage:<\/strong> Improves accuracy during frequency-domain analysis and vibration testing.\n<\/p>\n

              Channel-to-Earth Isolation<\/h4>\n

              \nElectrical isolation improves measurement reliability in industrial environments.\n<\/p>\n

                \n
              • \u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f \u043a\u0430\u043d\u0430\u043b\u0430 \u043e\u0442 \u0437\u0435\u043c\u043b\u0438<\/li>\n
              • Reduced ground loops<\/li>\n
              • Improved noise immunity<\/li>\n
              • Sensor protection<\/li>\n
              • Industrial deployment capability<\/li>\n<\/ul>\n

                \nAdvantage:<\/strong> Provides stable measurements in electrically noisy environments.\n<\/p>\n

                Compact C Series Architecture<\/h4>\n

                \nThe NI-9231 integrates into modular CompactDAQ and CompactRIO systems.\n<\/p>\n

                  \n
                • C Series modular format<\/li>\n
                • Compact installation<\/li>\n
                • Flexible chassis expansion<\/li>\n
                • Mixed I\/O system support<\/li>\n
                • Scalable measurement platforms<\/li>\n<\/ul>\n

                  \nAdvantage:<\/strong> Allows engineers to build customized vibration and acoustic measurement systems.\n<\/p>\n

                  Technical Specifications<\/h3>\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\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n
                  Product Type<\/td>\nC Series Dynamic Signal Acquisition Module<\/td>\n<\/tr>\n
                  Number of Channels<\/td>\n4 Analog Inputs<\/td>\n<\/tr>\n
                  ADC Resolution<\/td>\n24 Bits<\/td>\n<\/tr>\n
                  Maximum Sampling Rate<\/td>\n51.2 kS\/s per Channel<\/td>\n<\/tr>\n
                  Input Type<\/td>\nIEPE Analog Input<\/td>\n<\/tr>\n
                  Sensor Support<\/td>\nIEPE Accelerometers, Microphones, Dynamic Sensors<\/td>\n<\/tr>\n
                  Excitation<\/td>\nIntegrated IEPE Current Excitation<\/td>\n<\/tr>\n
                  Coupling<\/td>\nAC\/DC Coupling<\/td>\n<\/tr>\n
                  Filtering<\/td>\nAnti-Aliasing Filters<\/td>\n<\/tr>\n
                  \u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f<\/td>\nChannel-to-Earth Isolation<\/td>\n<\/tr>\n
                  Supported Platforms<\/td>\nCompactDAQ and CompactRIO<\/td>\n<\/tr>\n
                  Driver<\/td>\n\u041d\u0418-DAQmx<\/td>\n<\/tr>\n
                  Programming Support<\/td>\nLabVIEW, FlexLogger, Python, C\/C++, C#, .NET<\/td>\n<\/tr>\n<\/table>\n

                  Software Ecosystem<\/h3>\n

                  \nThe NI-9231 integrates with NI software tools for vibration, acoustic, and dynamic measurement applications.\n<\/p>\n

                    \n
                  • NI-DAQmx:<\/strong> Provides configuration, acquisition, timing, and sensor measurement support.<\/li>\n
                  • LabVIEW:<\/strong> Enables vibration analysis, sound measurement, and automated testing applications.<\/li>\n
                  • FlexLogger:<\/strong> Provides configuration-based dynamic data acquisition.<\/li>\n
                  • NI MAX:<\/strong> Supports hardware configuration and diagnostics.<\/li>\n
                  • DIAdem:<\/strong> Provides engineering data analysis and reporting.<\/li>\n
                  • Python, C\/C++, C#, .NET:<\/strong> Supports custom measurement software development.<\/li>\n<\/ul>\n

                    Industries<\/h3>\n
                      \n
                    • Automotive Testing<\/li>\n
                    • \u0410\u044d\u0440\u043e\u043a\u043e\u0441\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0438 \u043e\u0431\u043e\u0440\u043e\u043d\u043d\u0430\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/li>\n
                    • \u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f<\/li>\n
                    • \u041c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f<\/li>\n
                    • Structural Engineering<\/li>\n
                    • Acoustic Research<\/li>\n
                    • \u042d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b<\/li>\n
                    • \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0435 \u043b\u0430\u0431\u043e\u0440\u0430\u0442\u043e\u0440\u0438\u0438<\/li>\n<\/ul>\n

                      Applications<\/h3>\n

                      Vibration Monitoring<\/h4>\n

                      \nThe NI-9231 provides accurate vibration acquisition for mechanical systems.\n<\/p>\n

                        \n
                      • Machine health monitoring<\/li>\n
                      • Bearing analysis<\/li>\n
                      • Rotating equipment testing<\/li>\n
                      • \u041f\u0440\u0435\u0434\u0438\u043a\u0442\u0438\u0432\u043d\u043e\u0435 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0435<\/li>\n<\/ul>\n

                        Sound and Acoustic Testing<\/h4>\n

                        \nThe module supports acoustic measurement using compatible IEPE microphones and sensors.\n<\/p>\n

                          \n
                        • Noise testing<\/li>\n
                        • Sound quality analysis<\/li>\n
                        • Acoustic research<\/li>\n
                        • Environmental noise monitoring<\/li>\n<\/ul>\n

                          Automotive Testing<\/h4>\n

                          \nDynamic signal acquisition supports vehicle and component validation.\n<\/p>\n

                            \n
                          • Engine vibration testing<\/li>\n
                          • Road noise analysis<\/li>\n
                          • Component durability testing<\/li>\n
                          • Vehicle NVH testing<\/li>\n<\/ul>\n

                            Structural Testing<\/h4>\n

                            \nThe NI-9231 can be used for dynamic structural measurements.\n<\/p>\n

                              \n
                            • Modal analysis<\/li>\n
                            • Impact testing<\/li>\n
                            • Structural vibration analysis<\/li>\n
                            • \u0418\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0435 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432<\/li>\n<\/ul>\n

                              Comparison with Similar Products<\/h3>\n\n\n\n\n\n\n
                              \u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0435<\/th>\nBest Application<\/th>\n<\/tr>\n
                              \nNI-9231<\/strong><\/a>\n<\/td>\n\n4-channel IEPE dynamic signal acquisition module with 24-bit ADC.\n<\/td>\n\nVibration and acoustic measurement\n<\/td>\n<\/tr>\n
                              \nNI-9232<\/strong><\/a>\n<\/td>\n\nDynamic signal module optimized for sound and vibration applications.\n<\/td>\n\nGeneral IEPE measurement\n<\/td>\n<\/tr>\n
                              \nNI-9234<\/strong><\/a>\n<\/td>\n\nHigher-performance IEPE module designed for advanced vibration analysis.\n<\/td>\n\nHigh-frequency vibration testing\n<\/td>\n<\/tr>\n
                              \nNI-9233<\/strong><\/a>\n<\/td>\n\n4-channel IEPE vibration input module for dynamic measurements.\n<\/td>\n\nMachine vibration monitoring\n<\/td>\n<\/tr>\n<\/table>\n

                              Recommended Related Products<\/h3>\n\n\n\n\n\n
                              \nNI cDAQ-9185<\/strong><\/a>\n<\/td>\n\nEthernet CompactDAQ chassis for distributed dynamic measurement systems.\n<\/td>\n<\/tr>\n
                              \nNI cRIO-9056<\/strong><\/a>\n<\/td>\n\nCompactRIO controller supporting C Series dynamic signal modules.\n<\/td>\n<\/tr>\n
                              \nNI-9234<\/strong><\/a>\n<\/td>\n\nHigh-performance IEPE vibration acquisition module.\n<\/td>\n<\/tr>\n
                              \nNI-9237<\/strong><\/a>\n<\/td>\n\nBridge input module for strain, force, torque, and pressure measurement.\n<\/td>\n<\/tr>\n<\/table>\n

                              Why Choose NI-9231?<\/h3>\n
                                \n
                              • 4-channel IEPE dynamic signal acquisition<\/li>\n
                              • 24-bit high-resolution ADC<\/li>\n
                              • 51.2 kS\/s per channel sampling<\/li>\n
                              • Integrated IEPE excitation<\/li>\n
                              • AC\/DC coupling support<\/li>\n
                              • Anti-aliasing filtering<\/li>\n
                              • \u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f \u043a\u0430\u043d\u0430\u043b\u0430 \u043e\u0442 \u0437\u0435\u043c\u043b\u0438<\/li>\n
                              • Compact C Series architecture<\/li>\n
                              • Compatible with CompactDAQ and CompactRIO<\/li>\n
                              • Ideal for vibration and acoustic testing<\/li>\n<\/ul>\n

                                Frequently Asked Questions<\/h3>\n

                                What sensors can NI-9231 support?<\/h4>\n

                                \nThe NI-9231 supports IEPE-based sensors including accelerometers, microphones, and other dynamic measurement devices.\n<\/p>\n

                                What is the difference between NI-9231 and NI-9237?<\/h4>\n

                                \nThe NI-9231 is designed for IEPE dynamic sensors such as vibration accelerometers, while the NI-9237 is designed for bridge-based sensors such as strain gauges and load cells.\n<\/p>\n

                                Can NI-9231 be used with CompactRIO?<\/h4>\n

                                \nYes. The NI-9231 is compatible with supported CompactRIO controllers and CompactDAQ chassis using the C Series architecture.\n<\/p>\n

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

                                \n\u0417\u0435\u043c\u043b\u044f NI-9231 4-channel C Series dynamic signal acquisition module<\/strong> provides high-resolution IEPE sensor measurement with integrated excitation, simultaneous sampling, and advanced signal conditioning. It is an ideal solution for vibration analysis, acoustic testing, machine monitoring, automotive validation, and structural measurement systems based on CompactDAQ and CompactRIO platforms.<\/p>","protected":false},"excerpt":{"rendered":"

                                \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
                                \n\u041d\u0435 \u0438\u043c\u0435\u0435\u0442 \u043a\u043e\u043d\u0444\u043e\u0440\u043c\u043d\u043e\u0433\u043e \u043f\u043e\u043a\u0440\u044b\u0442\u0438\u044f
                                \nIEPE Excitation: 2 mA
                                \n\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0432\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f: \u043e\u0442 -5 \u0412 \u0434\u043e 5 \u0412
                                \n\u0412 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442 \u0432\u0445\u043e\u0434\u0438\u0442: \u0414\u0430
                                \n\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u043e\u0442\u0430 \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u0438\u0437\u0430\u0446\u0438\u0438: 51,2 \u043a \u0432\u044b\u0431\u043e\u0440\u043a\u0438\/\u0441\/\u043a\u0430\u043d\u0430\u043b
                                \nFront Connection Type: 10-32 Coaxial, 10-32 Coaxial, 10-32 Coaxial, 10-32 Coaxial, 10-32 Coaxial, 10-32 Coaxial, 10-32 Coaxial, 10-32 Coaxial
                                \nAnalog Input Isolation: None
                                \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<\/p>","protected":false},"featured_media":31045,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[673],"product_tag":[],"class_list":["post-29519","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-c-module","first","instock","featured","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"\nNI-9231 C Series Sound and Vibration Input Module 783610-01, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"NI-9231 is a 4-channel C Series dynamic signal acquisition module featuring IEPE sensor support, 24-bit ADC resolution, 51.2 kS\/s per channel sampling, AC\/DC coupling, and CompactDAQ\/CompactRIO compatibility.\" \/>\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-9231\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NI-9231\" \/>\n<meta property=\"og:description\" content=\"NI-9231 is a 4-channel C Series dynamic signal acquisition module featuring IEPE sensor support, 24-bit ADC resolution, 51.2 kS\/s per channel sampling, AC\/DC coupling, and CompactDAQ\/CompactRIO compatibility.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pxisource.com\/ru\/product\/ni-9231\/\" \/>\n<meta property=\"og:site_name\" content=\"PXI Source\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61582573040385\" \/>\n<meta property=\"article:modified_time\" 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