NI 9217

The National Instruments NI 9217 RTD analog input module features 4 channels and 24 bits of resolution for 100 Ω RTD measurements. You can configure the NI 9217 for two different sampling rate modes. With the high-sampling-rate mode, you can sample at up to 400 S/s (100 S/s per channel). Using the high-resolution mode, you can sample at 5 S/s (1.25 S/s per channel) with built-in 50/60 Hz noise rejection.

The NI 9217, compatible with 3 and 4-wire RTD measurements, automatically detects the type of RTD (3 or 4-wire) connected to the channel and configures each channel for the appropriate mode. The module can provide 1 mA of current excitation per channel and has less than a 1 °C accuracy error over its entire operating temperature range. The NI 9217 contains NIST-traceable calibration and includes a channel-to-earth ground double isolation barrier for safety, noise immunity, and high common-mode voltage range.

NI recommends the NI 9939 strain-relief connector accessory for use with the NI 9217.

For ch-ch isolated RTD measurement see the NI 9219 Universal module.

Additional Product Information

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