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Industrial RTDs

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920 Series RTD Transmitter

  • High accuracy (±0.1%)
  • 2-wire loop-powered 4 mA to 20 mA output
  • Linearized output to temperature
  • Input RTD PT100 with 3-wire compensation
  • Analog design, potentiometer adjustable
  • Factory calibrated for fixed range
  • Metal housing
  • Fits standard heads
  • Optional model is fully field re-programmable with module and PC-based software

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SERIES 920 RTD transmitter            
TYPE NRT Head-mounted            
INPUT 2 PT-100, 3-wire            
OUTPUTS 1 4 mA to 20 mA, 2-wire 2 0 Vdc to 5 Vdc, 3-wire 5 0 Vdc to 10 Vdc, 3-wire    
CALIBRATED
TEMPERATURE RANGE
Please specify low/high            
UNITS OF MEASURE C Celsius F Fahrenheit        
OPTIONS 0 None PC* Computer Programmable        

* Required program module and software

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@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

Options & Accessories

  • 920 PC Programming Kit (920-PKIT)