- 32 channels of 100 µA current excitation sources
- Use with SCXI-1102 module for high-channel-count RTD measurements
- ±0.05% accuracy for each current source
- NI-DAQmx Measurement Services software to simplify configuration and measurements
- 5 ppm/°C maximum temperature drift
- SCXI-1600 (USB) is recommended for controlling this module; also compatible with M Series
 Data Sheet | Specifications
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Configure System
Use SCXI Advisor to configure an SCXI data acquisition system based on this module.
The National Instruments SCXI-1581 provides 32 channels of 100 µA current excitation. The high accuracy and stability of these current sources make them especially well suited for measuring resistance with a high degree of accuracy. The module is ideal in any application that requires a 100 µA fixed current excitation, such as resistive temperature devices (RTDs). You can use the SCXI-1581 with the SCXI-1102 to create a high-channel-count RTD measurement system.
The SCXI-1600USB data acquisition module can be used in conjunction with this module to create a completely plug-and-play USB data acquisition system. An SCXI chassis is required to house the SCXI-1600 and assorted SCXI modules for a particular system. The SCXI-1000 chassis is capable of holding up to four modules while the SCXI-1001 can hold up to 12.
Additional Product Information
Specifications Documents
Specifications Summary
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