The new resistance temperature detector (RTD) module expands measurement capabilities to offer excellent temperature accuracy. Engineers can use the NI PXIe-4357 RTD modules with the NI SC Express family, PXI and LabVIEW Real-Time Module to create reliable sensor measurement systems that scale from tens to thousands of channels.
SC Express combines data acquisition and signal conditioning in a single PXI module for high-performance, reliable sensor measurements optimised for speed and accuracy. The high-performance RTD module is optimised for temperature measurements with Pt100 RTD sensors for a variety of thermal monitoring applications.
The NI PXIe-4357 RTD module integrates sensor-specific signal conditioning with 24-bit ADCs to sample all 20 channels at 100 S/s and offers typical accuracies of up to 0.09ºC. Engineers can integrate additional NI PXIe-4357 modules or use other SC Express modules to expand a system’s channel count, adding complementary sensor inputs including thermocouples, strain gages, accelerometers and FBG optical sensors to the same system.
Kevin Schultz, vice president of R&D for National Instruments explains that the SC Express was designed to improve measurement accuracy and reliability by integrating signal conditioning and AD conversion into a single module.
Key features of NI PXIe-4357 RTD Modules:
- Offers 20 channels that integrate 24-bit delta-sigma analogue-to-digital converters with antialiasing and low-pass filters
- Acquires at sampling rates up to 100 S/s/ch and accuracies up to 0.09ºC
- Delivers reliable measurements with full support on LabVIEW Real-Time
- Synchronises with other members of SC Express family within the same PXI chassis, across chassis or across facilities