carbon monoxide detector,co alarm RCC426 with LCD displayer 

 

Technical figures:

power supply:3*1.5v AA batteries

sensor:Electrochemical CO sensor

LCD displayer show CO concentration

Low-battery indicator

alarm model:sound & flash alarm

 

Features:

*MCU control,reliable without false alarming

*field audio and visible alarming

*simple installation

*excellent reliability & high stability

*self-test fuction,Auto-reset

*Durable sensor head

*less affected by other organic solvent

*high accuracy

*Low-battery indicator:

one "chrip" every 30 seconds with green LED flashing and "Lb" on the LCD.

*Mal-function indicator:

one "chrip" every 30 seconds with green LED being out and "Err" on the LCD

*CO sensitivity & alarm time:

300ppm→ alarm within 3 mins

100ppm→ alarm wihtin 10-40 mins

  50ppm→ alarm within 60-90 mins

(Note:the LCD will show its actual concentration between 30-999ppm,or just show "999ppm" after exceeding 999ppm.)

*memory feature:

if the unit ever alarms,pressing the button,green LED flashes and peak co figures on the LCD.