Product Introduction
The NI-9217 is a C Series RTD temperature input module designed for high-accuracy temperature measurement, industrial monitoring, thermal testing, and automated data acquisition applications. It provides four input channels specifically designed for resistance temperature detector (RTD) sensors.
Featuring 24-bit analog-to-digital conversion, support for 3-wire and 4-wire RTD configurations, built-in current excitation, and compatibility with CompactRIO and CompactDAQ platforms, the NI-9217 provides a reliable solution for precision temperature measurement in industrial, laboratory, automotive, energy, and research applications.
Product Overview
The NI-9217 belongs to the NI C Series temperature measurement module family and is optimized for applications using RTD sensors such as Pt100 and Pt1000.
RTDs are commonly selected when measurement accuracy, repeatability, and long-term stability are important. The NI-9217 provides integrated signal conditioning and excitation designed specifically for RTD measurements, reducing the need for external measurement circuitry.
The module can be combined with CompactRIO or CompactDAQ hardware to build scalable temperature acquisition systems for industrial equipment, environmental testing, thermal characterization, research laboratories, and automated test platforms.
Key Features
4-Channel RTD Input
The NI-9217 provides four analog input channels optimized for direct connection to RTD temperature sensors.
- 4 RTD input channels
- Precision temperature measurement
- Multi-channel thermal monitoring
- Direct RTD sensor connection
- Industrial and laboratory temperature acquisition
Advantage: Provides dedicated RTD measurement functionality in a compact modular platform.
24-Bit Measurement Resolution
The NI-9217 uses 24-bit analog-to-digital conversion to provide high-resolution resistance and temperature measurements.
- 24-bit ADC resolution
- High-resolution temperature acquisition
- Precise resistance measurement
- Stable measurement performance
- Detailed thermal data collection
Advantage: Provides precise temperature data for applications where small temperature changes must be detected.
3-Wire and 4-Wire RTD Support
The NI-9217 supports commonly used 3-wire and 4-wire RTD measurement configurations.
- 3-wire RTD measurement
- 4-wire RTD measurement
- Lead resistance compensation
- Flexible sensor configuration
- Precision resistance measurement
Advantage: Supports industrial RTD installations while helping minimize measurement errors caused by lead-wire resistance.
Built-In RTD Excitation
The NI-9217 provides integrated current excitation required for resistance-based temperature measurements.
- Built-in current excitation
- Direct RTD sensor measurement
- Reduced external circuitry
- Simplified sensor installation
- Integrated signal conditioning
Advantage: Reduces the amount of external hardware required to build an RTD temperature measurement system.
Pt100 and Pt1000 Temperature Measurement
The NI-9217 can be used with commonly deployed platinum RTD sensors for precision temperature measurement.
- Pt100 RTD measurement
- Pt1000 RTD measurement
- Industrial temperature monitoring
- Laboratory thermal measurement
- Equipment temperature testing
Advantage: Supports widely used platinum RTD sensors found in industrial and scientific measurement systems.
High-Accuracy Temperature Measurement
The NI-9217 is designed for applications where temperature measurement accuracy and stability are more important than very wide temperature coverage.
- Precision thermal monitoring
- Stable resistance measurement
- Repeatable temperature acquisition
- Low-level signal measurement
- Long-term monitoring applications
Advantage: Makes the NI-9217 particularly suitable for precision thermal characterization and monitoring.
C Series Modular Architecture
The NI-9217 uses the NI C Series modular architecture for flexible system integration.
- CompactRIO compatibility
- CompactDAQ compatibility
- Modular I/O expansion
- Flexible measurement configuration
- Scalable temperature acquisition
Advantage: Allows RTD temperature measurement to be combined with voltage, current, thermocouple, strain, vibration, and digital I/O modules in the same system.
NI Software Integration
The NI-9217 integrates with NI software environments for temperature acquisition, analysis, visualization, and data logging.
- NI-DAQmx support with compatible hardware
- LabVIEW integration
- NI MAX configuration
- Automated data logging
- Custom temperature monitoring applications
Advantage: Simplifies development of automated RTD measurement and monitoring systems.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Type | C Series RTD Temperature Input Module |
| Input Channels | 4 RTD Input Channels |
| Resolution | 24-bit |
| Sensor Type | Resistance Temperature Detector (RTD) |
| Wiring Configuration | 3-Wire and 4-Wire RTD |
| Common Sensor Types | Pt100 and Pt1000 RTDs |
| Excitation | Built-In Current Excitation |
| Architecture | NI C Series |
| System Compatibility | CompactRIO and CompactDAQ |
| Primary Applications | Precision Temperature Measurement and Thermal Monitoring |
Software Ecosystem
The NI-9217 integrates with NI software platforms for RTD temperature measurement, automated data acquisition, and embedded monitoring applications.
- NI-DAQmx: Provides configuration and data acquisition functionality when used with compatible C Series hardware.
- LabVIEW: Enables development of customized temperature monitoring, visualization, alarm, and data logging applications.
- NI MAX: Supports compatible hardware configuration, testing, and diagnostics.
- CompactDAQ: Provides modular PC-based data acquisition for laboratory and automated temperature measurement.
- CompactRIO: Enables embedded and real-time temperature monitoring and control applications.
Industries
- Industrial Automation
- Automotive and EV Testing
- Aerospace and Defense
- Energy and Power Systems
- Electronic Manufacturing
- Environmental Testing
- Research Laboratories
- Process Monitoring
Applications
Precision Temperature Measurement
The NI-9217 provides high-resolution RTD measurements for applications requiring accurate and stable temperature data.
- Laboratory temperature measurement
- Precision thermal characterization
- Calibration-related test systems
- Research experiments
Industrial Equipment Monitoring
The NI-9217 can monitor RTD sensors installed on industrial equipment and machinery.
- Motor temperature monitoring
- Bearing temperature measurement
- Process equipment monitoring
- Machine thermal diagnostics
Automotive and EV Testing
The module can be integrated into vehicle and electric vehicle test systems requiring accurate temperature measurements.
- Battery thermal testing
- Motor temperature measurement
- Power electronics validation
- Vehicle component testing
Environmental Testing
The NI-9217 can acquire precision temperature measurements during environmental and reliability testing.
- Environmental chamber monitoring
- Thermal cycling
- Product qualification
- Temperature stability testing
Process Monitoring and Control
The NI-9217 can be combined with CompactRIO hardware to provide temperature feedback for industrial monitoring and control systems.
- Process temperature monitoring
- Thermal feedback measurement
- Embedded monitoring
- Industrial control systems
Comparison with Similar C Series Temperature Modules
| Model | Main Difference | Best Application |
|---|---|---|
| NI-9217 | 4-channel 24-bit input module designed specifically for 3-wire and 4-wire RTD temperature sensors. | Precision RTD temperature measurement |
| NI-9213 | 16-channel thermocouple input module for high-density temperature acquisition. | Multi-channel thermocouple measurement |
| NI-9214 | C Series temperature input module designed for high-density thermocouple measurements. | Thermocouple-based thermal monitoring |
| NI-9219 | Universal analog input module supporting RTD, thermocouple, voltage, resistance, strain, and other measurement types. | Mixed-sensor measurement systems |
Recommended Related Products
| NI-9213 | 16-channel thermocouple input module for systems requiring higher-density temperature acquisition. |
| NI-9214 | Thermocouple temperature input module for industrial and automated thermal measurement applications. |
| NI-9219 | Universal analog input module for systems requiring multiple sensor and signal measurement types. |
| NI cRIO-9039 | CompactRIO controller for embedded temperature monitoring, industrial measurement, and real-time control systems. |
Why Choose NI-9217?
- 4 dedicated RTD input channels
- 24-bit measurement resolution
- 3-wire and 4-wire RTD support
- Built-in RTD excitation
- Suitable for Pt100 and Pt1000 sensors
- Designed for precision temperature measurement
- CompactRIO and CompactDAQ integration
- Ideal for industrial, laboratory, automotive, and thermal testing
Frequently Asked Questions
What is the NI-9217 used for?
The NI-9217 is used for precision RTD temperature measurement, industrial thermal monitoring, environmental testing, automotive and EV validation, research, and automated data acquisition.
How many RTD channels does the NI-9217 provide?
The NI-9217 provides four RTD input channels for multi-channel temperature measurement.
Does the NI-9217 support 3-wire and 4-wire RTDs?
Yes. The NI-9217 supports both 3-wire and 4-wire RTD measurement configurations, allowing users to select the wiring method appropriate for their sensor installation and accuracy requirements.
Can the NI-9217 measure Pt100 sensors?
Yes. The NI-9217 can be used with commonly deployed platinum RTD sensors such as Pt100, making it suitable for precision industrial and laboratory temperature measurements.
What is the difference between NI-9217 and NI-9213?
The NI-9217 is a 4-channel module designed specifically for RTD sensors, while the NI-9213 is a 16-channel module designed primarily for thermocouples. The NI-9217 is generally selected when RTD accuracy and stability are required, while the NI-9213 is useful when a larger number of thermocouple measurement channels are needed.
What is the difference between RTD and thermocouple measurement?
RTDs are commonly selected for applications requiring high accuracy, stability, and repeatability over moderate temperature ranges. Thermocouples generally provide wider temperature coverage and are commonly used in rugged or high-temperature environments.
Can the NI-9217 be used with CompactRIO?
Yes. The NI-9217 is a C Series module and can be used with compatible CompactRIO hardware for embedded and real-time temperature monitoring applications.
Conclusion
The NI-9217 C Series RTD temperature input module provides a precise and flexible solution for industrial temperature monitoring, thermal characterization, environmental testing, and automated measurement. With four RTD input channels, 24-bit resolution, 3-wire and 4-wire sensor support, built-in excitation, and C Series integration, the NI-9217 is well suited for applications requiring reliable and accurate temperature data.
