© 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 kΩ, 1 kΩ10.5 kΩ, 1.05 kΩ
Thermocouple ±125 mV ±125 mV
4-Wire and 3-Wire RTD Pt 1000, Pt 100 5.05 kΩ, 505 Ω
Quarter-Bridge 350 Ω, 120 Ω390 Ω, 150 Ω
Half-Bridge ±500 mV/V ±500 mV/V