EC21 Product Catalogs - humidity indicators

Tanda Conventional Reflective Optical Beam Smoke Detector Beam Detector Relay Output

20250221

x H:91.96 mm / 440 gm Weight 0.130 Kg with base Environmental Operating Temperature / Protection Rating -10°C to 55°C / IP30 [IP66 glue seal] Humidity 0 to 95% Relative Humidity, Non condensing

Wireless Fire Alarm Smoke Detector Sound and Light Alarm High Sensitivity Detector for Home Security

20240716

Humidity: ≦90% Radio Frequency: 433.92MHZ FM Mode: ASK Transmit Power: 10db Radio Distance: ≦120m (open distance) Implementation Standards: GB 20517-2006 3. Installation (1) Add the smoke dete

Microprocessor Control Flammable Gas Detector with Solenoid Valve Gas Controller

20140809

Indicator: red LED flash 8. Failure Indicator: yellow LED on & beeper long-buzz 9. Sound Level: >=85dB/m 10. Operation Temperature: -10 C-+50 C 11. Environment Humidity: <=95% RH (no congelation) 12.

Fire Alarm-Battery Powered Photoelectric Smoke Alarm

20130418

C to 38° C) Humidity Range: 5%-95% relative humidity (RH) Sensor: Photoelectric Size: 142mm in diameter x42mm depth Weight: 170g(include battery) Interconnects: No LED: Red, normal operation

Smoke Detector Adressable Fire Alarm Wire Smoke Alarm

20180809

A. Features 1．Automatic compensation function. It can be automatically compensated to improve the reliability of the smoke detector, such as external environment (temperature, humidity, dust, stati