Kingdun Electronic KD-218A - 1 Product Features and Specifications; Table of Contents; Electric Parameters

Contents
1 Product features and specifications
1.1 Electric Parameters
1.2 Brief introduction of the product
1.2.1
Product structure
1.2.2 Parts function
1.3 Information indication and power-up
1.3.1 Information indication
1.3.2 Power-up
1.4 Operating characteristic
1.4.1 Normal operation
1.4.2 Alarm condition
1.4.3 Low CO concentration warning
1.4.4 Testing
1.4.5 Alarm silence
1.5 Fault warnings and handling
1.5.1 Sensor fault warning and handling
1.5.2 Low battery warning and handling
1.6 Service life and end-of-life warning
1.6.1 Service life
1.6.2 End-of-life warning
2 Installation
2.1 Installation locations
2.2 Installation instructions
2.3 Notes for installation
3 Maintenance
3.1 Other gases’ influence on the product
3.2 Cleaning and maintenance
3.3 Maintenance tips
3.4 Hazard of dismantling and repairing the alarm without
authorization
4 Information about carbon monoxide
4.1 General carbon monoxide information
4.2
Possible sources of carbon monoxide
4.3 Symptoms of CO poisoning
4.4 What to do when the alarm sounds
5 Accessories list
1 Product features and specifications
1.1 Electric Parameters
Gas detected: carbon monoxide
Dimension: 107*77*36mm
Weight: 116g
Power: 3-AA LR6 Batteries
Low battery warning: When the voltage is less than 3.6V, low
battery warning is given. The unit can still work properly for 7
days after the warning.
Working condition: temperature -10℃ to +45℃, 0-93% relative
humidity
Quiescent current: <30uA
Alarm current: <65mA
Audible alarm: >85dB (3m from the unit)
Concentration range displayed: 10－550PPM
Accuracy of Digital Display:
A) 30PPM ±6PPM
B) 50PPM ±10PPM
C) 100PPM ±15%
D) 300PPM ±15%