Carbon Monoxide Detector RCC426 with LCD Displayer

Simple introduction:

*1.5V AA battery
*Electrochemical Co sensor
*4 Digital LCD Displayer
*Low bat and malfunction Indicator
*Comply with CE and EN50291standard

Features:

* Motorola IC control, Reliable without false alarming
* Field audio and visible alarming
* Simple installation
* Excellent reliability & high stability
* Self test function
* Durable sensor head
* Less affected by other organic solvent
* High Accuracy
* CE approval

Engineering Specification:

* Power Supply : 3*1.5V AA batteries
* Sensor: Electrochemical CO sensor
* Sensitivity/Alarm Time:
  Within 60~90 minutes @ 50ppm CO concentration;
  Within 10~40 minutes @ 100ppm CO concentration;
  Within 3 minutes @ 300ppm CO concentration
* LCD Displayer(optional): 4 digits LCD displayer
* Audibility: 85dB ( at 1m distance ), Frequency 3±0.5KHZ
* Led Indication /Sound Pattern : 
  Standby: Green Led flashes once every 30 seconds
  Alarm: Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,
* Low-bat Indicator : 
  Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD* Malfunction Indicator :Chirp every 30s with green LED out and Err on LCD
* Power consumption :0.3mW
* Sensor Life: 3 years
* Operation ambient: 0 ~ 40, 20% ~ 90%RH
* Mounting: Wall/Ceiling mounting
* Dimension 100mm*40mm, Weight: 0.2kg