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National Instruments Corporation
17
NI USB-9219 User Guide and Specifications
Specifications
The following specifications are typical for the range 0 to 60 °C unless
otherwise noted.
Input Characteristics
Number of channels ............................... 4 analog input channels
ADC resolution ...................................... 24 bits
Type of ADC.......................................... Delta-sigma (with analog
prefiltering)
Sampling mode ...................................... Simultaneous
Type of TEDS supported ....................... IEEE 1451.4 TEDS Class II
(Interface)
Mode input ranges
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
Mode
Nominal Range(s)
Actual Range(s)
Voltage
±60 V, ±15 V, ±4 V, ±1 V,
±125 mV
±60 V, ±15 V, ±4 V, ±1 V,
±125 mV
Current
±25 mA
±25 mA
4-Wire and 2-Wire Resistance
10 k
Ω,
1 k
Ω
10.5 k
Ω,
1.05 k
Ω
Thermocouple
±125 mV
±125 mV
4-Wire and 3-Wire RTD
Pt 1,000, Pt 100
5.05 k
Ω,
505
Ω
Quarter-Bridge
350
Ω,
120
Ω
390
Ω,
150
Ω
Half-Bridge
±500 mV/V
±500 mV/V
Full-Bridge
±62.5 mV/V, ±7.8 mV/V
±62.5 mV/V, ±7.8125 mV/V
