3
RTD; ±0.2°F (rdg ≥ – 50°F)
RTD; ±0.5°F (rdg < – 50°F)
RTD; ±0.2°F ±0.04% rdg (meter mode)
THERMISTOR; ±0.5F
OHMS; ±0.02% range
* Exclusive of sensor errors, and lead resistance induced errors.
RESOLUTION: TEMPERATURE; 0.1°/1° F/C
RESOLUTION: OHMS; 0.01Ω/0.1Ω/1Ω
REPEATABILITY (1 week at constant ambient temperature):
K, J, T, E, N; ±0.2°F typ.
B, R, S, G, C, D; ±1.0°F typ.
RTD, THERMISTOR; ±0.1°F typ.
OHMS; ±0.01% rng typ.
TEMPERATURE COEFFICIENT:
From 18°C to 28°C, included in accuracy specifications.
From 0°C to 18°C, and 28°C to 50°C:
K, J, T, E, N; ±(0.002% rdg + 0.03°C)/°C
B, R, S, G, C, D; ±(0.002% rdg + 0.1°C)/°C
RTD, THERMISTOR, OHMS; ±(0.002% rdg + 0.004% rng)/°C
METER-MODE INPUT-CURRENT (THERMOCOUPLES): 50nA typ.
METER-MODE READING-RATE: 1 reading/second typ.
METER-MODE EXCITATION-CURRENTS:
100Ω RTD; <2mA
1000ΩRTD; <200µA
999.99Ω; <2mA
9999.9Ω; <200µA
99999Ω; <50µA
THERMISTOR; T ≤113°F <50µA
T> 113°F, <2mA
CALIBRATOR MODE OUTPUT LOAD (THERMOCOUPLES): 500Ω min.
CALIBRATOR-MODE EXCITATION-CURRENTS:
100Ω RTD; 0.5 – 1mA (0.1 – 2mA typ.)
1000Ω RTD; 50 – 100µA (10-200µA typ.)
999.99Ω; Same as 100Ω RTD
9999.9Ω; Same as 1000Ω RTD
99999Ω; 10 – 20µA (1 – 20µA typ.)
THERMISTOR; T ≤113°F, 10 – 20µA
T> 113°F, 0.5 – 1mA
MAXIMUM COMMON MODE VOLTAGE: 42V peak to earth.
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