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BATTERY REPLACEMENT
Remove the battery cover on the back of the unit by sliding the cover off the product, you will now have
access to the batteries.
Remove the batteries from the unit and replace them with 3x new High Energy Alkaline batteries 1,5V AA -
LR6, making sure that the battery polarity matches the instructions in the battery compartment.
SENSOR REPLACEMENT:
The sensor has a lifetime of 10 years. After 10 years you need to replace the complete product, the sensor
itself is not exchangeable.
If the yellow LED illuminates within these 10 years, even though you’ve reconnected or replaced the
batteries, please refer to the paragraphs Reason for sensor fault and Sensor fault caused by chemical
gases.
If the yellow “FAULT” LED lights up 3x and 3 beeps per minute are heard, the entire product should be
replaced. This is the End of life warning and is also printed on the bottom of the product. The reliability of
the sensor cannot be guaranteed after this date.
SPECIFICATIONS:
Power supply:
3 x LR6, 1,5V AA high energy Alkaline batteries
Sensitivity and time:
30ppm, alarm is not activated within 120 minutes
50ppm, alarm is activated within 60~90 minutes
100ppm, alarm is activated within 10~40 minutes
300ppm, alarm is activated within 3 minutes
standby consumption:
<15µA
consumption at alarm:
<65mA
Sound pressure at alarm: >85dB (3m distance)
Environmental conditions
during use:
-10~+45°C, 0~93% humidity.
Type:
Type B (unchecked output)
ENVIRONMENT:
Do not throw away used batteries, but recycle them using your local chemical depot. Product may
not be thrown out as normal waste, but must be recycled as electrical waste.
DECLARATION OF PERFORMANCE
The declaration of performance is available on the website http://DOC.hesdo.com/COA1910-DOC.
