Humidity Sensors
Detect Humidity within an Accuracy of ±3% in a Compact Body. Controller Set Provides Superior Humidity Control and Temperature/Humidity Control.
List of Sensor Models
| Name |
Model |
| Humidity Sensor |
ES2-HB |
| Temperature/Humidity Sensor |
ES2-THB |
| Humidity Sensor Module |
ES2-M |
Sensor Specifications
| 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 (See note 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 E5[]K.) |
| Temperature Sensor Section (See note 2.) |
Platinum resistance thermometer |
| Temperature detection range |
0 to 55 °C |
| Temperature output |
Pt100: 3 wire |
| Class |
JIS class B |
| Communications cable length |
5 m |
| Operating temperature and humidity range (See note 3.) |
0 to 55 °C, humidity of 95% max. |
| Storage temperature and humidity range (See note 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) |
Note:
1.The maximum ripple voltage of 2% p-p max. The recommended power supply is the OMRON S82K.
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.
Important Tips for Usage
- Do not use the product in the following locations:
- Locations subject to water splashing or oil contact
- Locations subject to dust or corrosive gases
- Locations subject to icing or condensation
- Locations subject to direct sunlight
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