夏威夷CO探头感应器 出口CE认证一氧化碳CO有毒气体报警器

* power supply : 3*1.5v aa batteries
* sensor: electrochemical co sensor
* alarm style :per en50291
* 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): 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 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

本产品的工作电压是3*1.5（V），品牌是百仁吉，报警电流是小于50（mA），探测角度是360，静态电流是小于50（uA），工作温度是-10~+50（℃），探测距离是20平方（m），发射频率是独立（MHZ），适用范围是厨房、浴室、起居室，经常长时间且空气不流通的卧室，类型是燃气报警探测器，型号是BRJ-906LCD