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Humidity Sensor, Temperature/Humidity Sensor


Detect Humidity within an Accuracy of ±3% in a Compact Body. Controller Set Provides Superior Humidity Control and Temperature/Humidity Control.

Humidity Sensor section High-polymer resistive
Humidity detection range 20 to 95%
Humidity detection accuracy ± 3% (25 °C, 40 to 80%)
Power supply voltage 24 VDC *1
Operating voltage range 85% to 110% of power supply voltage
Current consumption 10 mA max.
Humidity output 1 to 5 V (for humidity of 0% to 100%)
Permissible load impedance: 100 kΩ min.
(Use a 1:1 connection when connecting to an E5CC/E5EC/E5AC.)
Temperature Sensor Section *2 Platinum resistance thermometer
Temperature detection range 0 to 55 °C
Temperature output Pt100: 3 wire *4
Class JIS class B
Communications cable length 5 m
Operating temperature and humidity range *3 0 to 55 °C, humidity of 95% max.
Storage temperature and humidity range *3 -20 to 60°C, humidity of 95% max.
Degree of protection IP 20 equivalent
Weight ES2-HB: Approx. 41 g (excluding cables)
ES2-THB: Approx. 43 g (excluding cables)

*1. The maximum ripple voltage of 2% p-p max.
        The recommended power supply is the OMRON S8JX or S8VS.
*2. ES2-THB only.
*3. Do not use or store the Sensor for an extended period at a humidity of 90% or more.
*4. Pt100 (JIS C 1604-1989) is used for the measuring elements.
       Set Pt100 for input sensor type of the Temperature Controller.