© National Instruments Corp. 13 NI 9217 Operating Instructions and Specifications
Specifications
The following specifications are typical for the range –40 to 70 °C
unless otherwise noted. All voltages are relative to COM unless
otherwise noted.
All specifications given in °C are specific to 100 Ω platinum RTDs.

Input Characteristics

Number of channels.......................... 4 analog input channels
ADC resolution................................. 24 bits
Type of ADC.....................................Delta-sigma
Sampling mode................................. Scanned
Measurement range
Tempe rature.................... ............–200 to 850 °C
Resistance...................................0 to 400 Ω
Common-mode range
COM-to-earth ground.................±250 Vrms
Channel-to-COM........................50 mV