General

Humidity sensor

ROTRONIC Hygromer ® HT-1

Temperature sensor

PT100 1/3 class B

Response time sensor

t63: <15 s without filter,

(temperature and humidity)

Max. air velocity (m/s)

3.5 m/s without filter, 20 m/s with

polyethylen filter

Operating humidity

0…100 %rh, non-condensing

Operating temperature

-40… 85 °C

Accuracy @23 °C

±0,8 %RH ±0,2 K @5...24 VDC

Factory adjustment

@23°C and 10, 35, 80 %rH

Long-term stability

<1 %RH / year (with clean air)

Supply voltage

5...16 VAC / 5...24 VDC (0...1 V)

12...16 VAC / 16...24 VDC (all kind of output signals)

Current consumption

Approx. 7 mA @ 24 VDC, 0...10 V

Approx. 12 mA @ 5 VDC, 0...1 V

Protection rating

IP65 (except the sensor area)

Digital communication

UART (19200 baud fixed)

Protocols

RoAscii (default), I2C, Modbus (not universal)

Analogue outputs

2x 0…1/5/10 VDC

Analogue outputs parameters

•Humidity (default)

•Temperature (default)

•Dew point (setting with HygroSoft)

•Frost point (setting with HygroSoft)

Analog output scaling

•Humidity (0…100 %rh = 0...1 V)

•Temperature (-40…60 °C = 0…1 V)

•Freely settable with HygroSoft

Timing

1st measurement after 3 s

Measurement interval 1 s

Accuracy analog output

@23°C < 1 mV (1 V) / < 10 mV (10 V) / <20uA

Air Chip 3000

Saves adjustment data so that probes can

be interchanged without re-adjusting

Compatible devices

Not comaptible with other Rotronic devices

Delivery package

•Probe

•Short Instruction Manual

•Calibration Certificate