1. MCU processing and SMT Manufacture Technology
2. High accurate electrochemical sensor
3. 1-2 years’ sensor lifetime
4. 85 decibel alarm sound
5. LCD display
6. Big area red LED indication light
7. Low battery warning
8. Manual Test / Auto-Reset
9. CE, Rohs and EN50291 approved
TECHNIQUE SPECIFICATION:
* Power Supply: 3*1.5V AA batteries
* Sensor: Electrochemical CO sensor
* Alarm Standard: EN50291
* LCD Displayer (optional): 3 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
* Mal-function Indicator: Chirp every 30s with green LED out and Err on LCD
* Power consumption: 0.3mW
* Sensor Life: 1-2 years
* Operation ambient: 0 ~ 40, 20% ~ 90%RH
* Mounting: Wall/Ceiling mounting
* Dimension 100mm*40mm, Weight: 0.12kg
* Comply With: CE, EN50291,RoHS,REACH