Temperature Measurement

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Home | Industrial Resistance Devices | 920 Series RTD Transmitter | Product Specifications

 

920 Series RTD Transmitter
Product Specifications

 

@Vnom = 24 Vdc, T.ambient = 25 °C, Span nom. = 100 °C
SPECIFICATIONS
Housing material Die-cast zinc, enamel painted
Housing dimensions 1.82" dia. x 1.15" H
Input PT100, 3-wire, α=0.00385, DIN EN 60751
Output 4 mA to 20 mA loop powered or voltage, linear to temperature
Power supply 12-32 Vdc, polarity protected
Supply effect 0.02%/V, 0.001%/V with computer programmable version
Zero drift ±0.01% FS/ °C
Span drift ±0.01% FS/ °C
Long term drift ≤ 0.5% FS/year
Excitation current RTD 0.8 mA
Sensor lead resistance RTD 500 Ω max.
Accuracy1 0.1% FS (includes effects of linearity, hysteresis and repeatability)
Span/zero adjustment 20 turn potentiometer, ±10% for zero and span
Maximum loop resistance Rmax. = [ ( Vsupply – 9 Vdc ) / 20 mA
Open circuit detection Overscale limit (27.0 mA) or
underscale limit (2.2 mA)
Warm up 30 seconds
Temperature ranges Ambient   -40 °F to 176 °F (-40 °C to 80 °C)
Storage   -40 °F to 176 °F (-40 °C to 80 °C)

  1 Max. error on complete span. Error at calibration point ≤0.1 °C

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