Key product
Input Characteristics
Number of channels4 thermocouple channels, 1 internal autozero channel, 1 internal cold-junction compensation channelADC resolution24 bits

Type of ADC

Delta-Sigma

Sampling mode

Scanned

Voltage measurement range

±80 mV

Temperature measurement ranges

Works over temperature ranges defined by NIST (J, K, T, E, N, B, R, S thermocouple types)

Conversion time

70 ms per channel; 420 ms total for all channels including the autozero and cold-junction channels

Common-mode voltage range
Channel-to-COM

±1.5 V
COM-to-earth ground
NI-9210 with mini-TC

60 V RMS

NI-9210 with spring terminal

250 V RMS
Common-mode rejection ratio (0 Hz to 60 Hz)
Channel-to-COM

95 dB

 

COM-to-earth ground

>170 dB

Input bandwidth (-3 dB)

15 Hz

Noise rejection (at 50 Hz and 60 Hz)

85 dB minimum

 

Overvoltage protection
Between any input and COM

±30 V

Between any two inputs

±30 V

Differential input impedance

20 MΩ

Input current

50 nA

Input noise

1 μV RMS

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