NI 9219E Operating Instructions and Specifications
24
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Cold-junction compensation
sensor accuracy ................................. ±1°C typ
4-Wire and 3-Wire RTD, Pt 1000
±0.1, ±0.5
±240, ±640
4-Wire and 3-Wire RTD, Pt 100
±0.1, ±0.5
±2400, ±6400
Quarter-Bridge, 350
Ω
±0.1, ±0.5
±2400, ±6400
Quarter-Bridge, 120
Ω
±0.1, ±0.5
±2400, ±6400
Half-Bridge,
±
500 mV/V
±0.03, ±0.07
±300, ±450
Full-Bridge,
±
62.5 mV/V
±0.03, ±0.08
±300, ±1000
Full-Bridge,
±
7.8 mV/V
±0.03, ±0.08
±2200, ±8000
*
2-Wire Resistance mode accuracy depends on the lead wire resistance. This table
assumes 0
Ω
of lead wire resistance.
Mode, Range
Gain Error
(Percent of
Reading)
Offset Error
(ppm of
Range)
Typ (25 °C, ±5 °C),
Max (–40 to 85 °C)
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