Omega 25, 27, 26, 24 manual Temperature Coefficient

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

1000Ω RTD; <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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