Temperature and humidity regulator with RS232 output, cable 4 meters

Humidistat, thermostat with two relay outputs. Outdoor, indoor use.

Relative humidity, temperature probe on a cable. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy. Three two-state inputs.

The device is supplied with T+RH probe with 4 meters cable.

code

H3331-4
Warranty

3 years

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Product variants

Technical data

Measured value

Temperature

Relative humidity

Counted values (dew point…)

Two-state signal

TEMPERATURE SENSOR

Measuring range -30 to +105 °C

Accuracy ±0.4 °C

Resolution 0.1 °C

HUMIDITY SENSOR

Measuring range 0 to 100 % RH

Accuracy ±2.5 % RH from 5 to 95 % at 23 °C

Resolution 0.1% RH

DEW POINT

Measuring range -60 to +80 °C

Accuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %

Resolution 0.1 °C

RELAY OUTPUTS

Quantity 2

Maximal voltage 50 V

Maximal current 2 A

Maximal power 60 VA

BINARY INPUTS

Quantity 3

Signal for binary inputy dry contact, open collector or two-state voltage signal.
Inputs are not galvanically isolated.

Minimum pulse duration on binary input 500 ms

Voltage across open contact < 3,3 V

Low voltage level 0 to +0,5 V

High voltage level +3,0 to +30 V

GENERAL TECHNICAL DATA

Operating temperature -30 to +80 °C

Channels 1x connectable temperature+humidity probe

Counted values dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy

Acoustic alarm from built-in beeper - switchable

Output RS232

Range of humidity sensor temperature compensation all temperature range

Available temperature units degrees Celsius, degrees Fahrenheit

Communication protocol ModBus RTU and Advantech ADAM compatible protocol

Power 9-30 Vdc

Protection class IP65 electronics; IP40 sensors

Dimensions 136 x 159 x 45 mm; length/diameter of external probe 88/18 mm

External probe cable length 4 meters

Weight approx. 500 g

Warranty 3 years

Reference

CHIL Lab Cape Town

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ECM

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Masaryk University in Brno

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Institut of Public Health in Ostrava

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