Extech Instruments CO15 User Manual

CO15-en-GB_v1.0 6/17
7
Specifications
Measurement range 0-999 ppm
Resolution 1 ppm
Accuracy 0 ~ 100 ppm: ± 20%
100 ~ 500 ppm: ± 15%
Accuracy stated for ambient
conditions: 20
o
C ±5
o
C (68
o
F ±9
o
F)
and 50% RH ±20%RH
Sensor Type Electrochemical
Power supply (3) 1.5V ‘AAA’ batteries
Battery life Approx. 250 hours (backlight
off); 35 hours (backlight on)
Dimensions / Weight: 175 x 47 x 28mm (6.9 x 1.8 x
1.1”) / 158.8g (5.6 oz.)
Troubleshooting
Error
Problem
Solution
Display
No display when pressing
power button
Ensure batteries are
properly installed with
correct polarity
Replace batteries
Display
Display switches off
Check for low battery
indicator; replace
batteries
Display
Calibration Failure
Check for low battery
indicator; replace
batteries
E2
Measurement is below
the range of the meter
Check readings in a
different area
E3
Measurement is above
the range of the meter
Check readings in a
different area
E4
Data error
Contact Extech for service
E31
A/D failure
Contact Extech for service
E33
Measurement circuit
failure
Contact Extech for service
E35
Self-test failure
Power meter in an area
free of carbon monoxide
Sensor Failure
Contact Extech for service
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Extech Instruments CO15 Specifications

General

Brand	Extech Instruments
Model	CO15
Category	Measuring Instruments
Language	English