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Specifications
Input Characteristics
Mode
Voltage
Current
4-Wire and 2-Wire Resistance
Thermocouple
4-Wire and 3-Wire RTD
Quarter-Bridge
Half-Bridge
Full-Bridge
© National Instruments Corporation
The following specifications are typical for the range 0 to 60 °C unless
otherwise noted.
Number of channels ............................... 4 analog input channels
ADC resolution ...................................... 24 bits
Type of ADC.......................................... Delta-sigma (with analog
Sampling mode ...................................... Simultaneous
Type of TEDS supported ....................... IEEE 1451.4 TEDS Class II
Mode input ranges
Nominal Range(s)
±60 V, ±15 V, ±4 V, ±1 V,
±125 mV
±25 mA
10 kΩ, 1 kΩ
±125 mV
Pt 1,000, Pt 100
350 Ω, 120 Ω
±500 mV/V
±62.5 mV/V, ±7.8 mV/V
Conversion time, no channels in TC mode
High Speed...................................... 10 ms for all channels
Best 60 Hz Rejection ...................... 110 ms for all channels
Best 50 Hz Rejection ...................... 130 ms for all channels
High Resolution .............................. 500 ms for all channels
Conversion time, one or more channels in TC mode
High Speed...................................... 20 ms for all channels
Best 60 Hz Rejection ...................... 120 ms for all channels
Best 50 Hz Rejection ...................... 140 ms for all channels
High Resolution .............................. 510 ms for all channels
prefiltering)
(Interface)
±60 V, ±15 V, ±4 V, ±1 V,
±125 mV
±25 mA
10.5 kΩ, 1.05 kΩ
±125 mV
5.05 kΩ, 505 Ω
390 Ω, 150 Ω
±500 mV/V
±62.5 mV/V, ±7.8125 mV/V
17
NI USB-9219 User Guide and Specifications
Actual Range(s)
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