dataloggers, thermometers, hygrometers...
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Rack mount thermometer hygrometer with Ethernet interface and relays, cable 2 meters

Humidity, temperature monitor with two relay outputs.

Sensor H3531R is designed for online monitoring of temperature, relative humidity of air without aggressive substances. Three binary inputs to detection of two-states signals are the advantage. Other devices are controlled by two relay outputs.

High precision capacitive polymer sensor ensures excellent long term calibration stability and ultimate accuracy. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio and specific enthalpy.

The device is supplied with T+RH probe with 2 meters cable.

Processing and analysis of measured data:

 

 

  • code
    H3531R-2
  • Warranty
    3 years
  • 11 980 ZAR

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
Acoustic alarm from built-in beeper - switchable
Counted values humidex, dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy
Output Ethernet
Measuring interval 2 s
Range of humidity sensor temperature compensation all temperature range
Available temperature units degrees Celsius, degrees Fahrenheit
Communication protocol WWW, ModbusTCP, SNMPv1, SOAP, XML
Alarm protocols E-mail (SMTP authentication is supported), SNMP Trap, Syslog
Power 12Vdc, maximum consumption 1W
Protection class IP30 electronics; IP40 sensors
Dimensions 483 x 44 x 45 mm; length/diameter of external probe 88/18 mm; one rack unit 1U
External probe cable length 2 meters
Weight approx. 1090 g
Warranty 3 years

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Software

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download-icon COMET Cloud Lite - Android (Google Play)
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Manuals

download-icon Declaration of Conformity
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download-icon How to add WebSensor to COMET Cloud
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Catalogs

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download-icon Catalogue Sheets - COMET Premium WebSensors & Regulators
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