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Humidity Alarm

Humidity Alarm

Product Description

The CEMS dedicated infrared humidity alarm with built-in pre-filter uses an imported infrared sensor, offering high reliability and high sensitivity. It effectively prevents water ingress into the gas analyzer, providing protection and significantly reducing maintenance costs.

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  • Model

    XZ-CGQ-HWH20

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Working Principle

When dry (no water present), the infrared light emitted by the infrared LED is reflected by the diamond-shaped mirror to the receiver transistor. At this time, the CE junction of the receiver transistor is fully conducting, outputting a high level. When water is present, the infrared light is refracted by the water, no light reaches the receiver transistor, the CE junction presents high impedance, and the emitter has no output.

 

Features:

  1. High measurement accuracy with a detection accuracy tolerance of ±2 mm
  2. Built-in high-intensity infrared emitting diode
  3. Built-in fast-response, high-sensitivity phototransistor
  4. Live parts are completely isolated from the controlled liquid, eliminating any safety hazards; protection rating IP67
  5. Compliant with safety standard requirements
  6. Compliant with ROHS requirements

Technical Specifications

Parameter Value
Operating Voltage DC24V
Operating Current 2mA
Sensing Distance Range 2.8 ± 2 mm
Resolution 0.2 mm
Output Relay
Load ≤ 3A
Cable Length 60 cm
Operating Temperature -25 ~ 105°C

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