- 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 |
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| TYPE |
NRT |
Head-mounted |
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| INPUT |
2 |
PT-100, 3-wire |
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| 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 |
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CALIBRATED
TEMPERATURE RANGE |
Please specify low/high |
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| UNITS OF MEASURE |
C |
Celsius |
F |
Fahrenheit |
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| OPTIONS |
0 |
None |
PC* |
Computer Programmable |
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* 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
Convert to PT Series
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