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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: JABO
  • Model Number: JB-C688
  • Usage: Carbon Monoxide Detector
  • Power supply: 3*AA battery
  • Color: White
  • Material: ABS or other plastic
  • Detection Principle: electrochemical cell
  • Sensor type: Electrochemical sensor
  • High stability:: LCD Display,LED indication
  • Easy removal of abattery: Easy maintenance
  • Installation hardware included: Indoor use only
  • Circuit board design: SMD
  • Easy installation: high reliable detector

Packaging & Delivery

Packaging Details color box/blister card ,Each co alarm with manual and installation hardwares into a carton.
Delivery Time Shipped in 30 days after payment

Carbon Monoxide Alarm with EN50291



1,High accouracy and sensitivity

2.good anti-jamming capabilty

3.Relible stability and reproducibility

4.Low quiescent current(4∪A±2)

energy-saving, long standby time

5.three leds to indicate different status:power supply(green),alarm(red),fault(yellow)


7.easy installation portable,ideal for travelling

8.test/alarm locking /muanual reset

9.memory function;

10.low battery warning

11.different alarm sound for differnt concentrations

12 amplifying circuit and sensor fault signal warning

13.cannot be fitted with the battery missing

14 ending of alarm life warning

Detection Principleelectrochmical cell
Operating Voltage2X1.5v
Alarm Life5 years under normal  operating conditions 
End ALARM life warning3 short chirps every minute
alarm indicationaubible and visual alarm
buzzer output>85 decibles (db)at 1m
Operating  temperature range-10 to 40°c
alarm levels

50ppm between 60 to 90 minutes

100ppm between 10 to 40 minutes

300ppm <3 minutes(as required byEN50291:2001)


weight 140g approx
dimensions ø68mm*35mm
test facility yes
self check function yes
quiescent current  4∪A±2
energy-saving yes
low voltage audible-visual indication yes
history alarm indication yes
reset yes
hush yes
alarm audible- visual indication yes
malfunction audible-visual indication yes




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