Technical Specification

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Technical Specification

Specification overview


HF120

HF13x

General


Device type

Humidity temperature transmitter

Circuit type

2-wire, loop powered

3-wire

Mechanical configuration types

D, F, S and W

Power supply and connections


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

Humidity measurement


Sensor

ROTRONIC Hygromer ® IN-1

Measuring range

0…100 %RH, non-condensing

Measurement accuracy at 23 °C ± 5 K

±2 %RH (10...90 %RH), Type D, F and W

± 3 %RH (10...90 %RH), Type S

Long term stability

< 1.5 %RH / year

Sensor time constant

Typical 30 sec, 63% of a 35 to 80 %RH step change without filter (1m/sec air flow at sensor)

Temperature measurement


Sensor

Thermistor

Measuring range

-20…50 °C / -4…122 °F, Type S

-20…60 °C / -4…140 °F, Type D, F, W

Measurement accuracy at 23 °C

±0.3 °C

±1 °C, Type S

Sensor time constant

Typical 4 sec, 63% of a step change (1m/sec air flow at sensor)

Digital interface (service connector)


Interface type

mini USB

General specifications

BIS HIER

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

Probe dust filter material

Polyethylene, except type R and S

Housing material

ABS

Housing protection grade

IP 65, except type S IP30

Physical dimensions

Dimensions

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)

Conformity with standards


CE / EMC immunity

EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4

Environmental limits


Operating limits at electronics

-20…+50 °C, Type S

-20…+60°C, Type W, D and F

0…100 %RH (non-condensing)

Temperature limits at probe

-20…+50 °C, Type S

-20…+60°C, Type W, D and F

0…100 %RH (non-condensing)

Maximum humidity at sensor

100 %RH

Maximum air velocity at probe

20 m/s (3,935 ft /min), except type R and S

Configurable analog outputs

HF120 & HF 132

HF13x

Output 1



Factory default parameter

Relative humidity


Factory default scale

0…100 %RH

Output 2



Factory default parameter

Temperature


Factory default scale

0…50 °C or 0… 100 °F

Output 1 and Output 2



Signal type

4…20 mA

0… 1 V

0… 5 V

0… 10 V

(user configurable)


User configurable scaling limits

-999.99 … 9999.99 engineering units

 

* Additional error in case of insufficient ventilation: +1,5 °C