©
National Instruments Corp.
21
NI 9219 Operating Instructions
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
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 1000, 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
