<< Click to Display Table of Contents >> Navigation: Humidity & Temperature Devices > Transmitter > HF1 > Technical Specification |
HF120 |
HF13x |
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General |
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Device type |
Humidity temperature transmitter |
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Circuit type |
2-wire, loop powered |
3-wire |
Mechanical configuration types |
D, F, S and W |
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Power supply and connections |
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Supply voltage (VDD) |
10…28VDC V min = 10 V + (0.02 x Load*) *Load resistance in ohms. |
15…40 VDC or 12…28 VAC |
Nominal current consumption |
2 x 20 mA |
< 15 mA (with voltage output) < 55 mA (with current output) |
Electrical connections |
Type D and W: terminal block and M12 cable grip Type R and S: terminal block |
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Humidity measurement |
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Sensor |
ROTRONIC Hygromer ® IN-1 |
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Measuring range |
0…100 %RH, non-condensing |
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Measurement accuracy at 23 °C ± 5 K |
±2 %RH (10...90 %RH), Type D, F and W ± 3 %RH (10...90 %RH), Type S |
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Long term stability |
< 1.5 %RH / year |
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Sensor time constant |
Typical 30 sec, 63% of a 35 to 80 %RH step change without filter (1m/sec air flow at sensor) |
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Temperature measurement |
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Sensor |
Thermistor |
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Measuring range |
-20…50 °C / -4…122 °F, Type S -20…60 °C / -4…140 °F, Type D, F, W |
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Measurement accuracy at 23 °C |
±0.3 °C ±1 °C, Type S |
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Sensor time constant |
Typical 4 sec, 63% of a step change (1m/sec air flow at sensor) |
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Digital interface (service connector) |
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Interface type |
mini USB |
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General specifications |
BIS HIER |
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Optional display (S and R configurations only) |
LC, 1 or 2 decimals resolution, no backlight |
LC, 1 or 2 decimals resolution, with backlight |
Probe material |
Polycarbonate, except type R and S |
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Probe dust filter material |
Polyethylene, except type R and S |
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Housing material |
ABS |
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Housing protection grade |
IP 65, except type S IP30 |
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Physical dimensions |
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Weight |
Type W: 140 g (4.9 oz) Type D: 140 g (4.9 oz) Type F: 200 g (7.1 oz) Type S: 90 g (3.1 oz) |
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Conformity with standards |
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CE / EMC immunity |
EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4 |
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Environmental limits |
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Operating limits at electronics |
-20…+50 °C, Type S -20…+60°C, Type W, D and F 0…100 %RH (non-condensing) |
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Temperature limits at probe |
-20…+50 °C, Type S -20…+60°C, Type W, D and F 0…100 %RH (non-condensing) |
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Maximum humidity at sensor |
100 %RH |
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Maximum air velocity at probe |
20 m/s (3,935 ft /min), except type R and S |
Configurable analog outputs |
HF120 & HF 132 |
HF13x |
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Output 1 |
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Factory default parameter |
Relative humidity |
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Factory default scale |
0…100 %RH |
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Output 2 |
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Factory default parameter |
Temperature |
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Factory default scale |
0…50 °C or 0… 100 °F |
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Output 1 and Output 2 |
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Signal type |
4…20 mA |
0… 1 V 0… 5 V 0… 10 V (user configurable) |
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User configurable scaling limits |
-999.99 … 9999.99 engineering units |
* Additional error in case of insufficient ventilation: +1,5 °C