11
? Error messages
? Can’t power on
Check whether the power is well
plugged.
Check whether the fuse is damaged
TROUBLE SHOOTING
? Slow response
Check whether the air flow channels on
the sensing probe is blocked.
? CO2 reading is “Hi”
Means the measured value is higher than
5000ppm. Remove the sensor to fresh
air to revert it to normal display.
Err4
, means IR lamp error
Please reconnect power adapter
Err5
, means Internal parameter error
Please reconnect power adapter
Err6
, means Communication error
Please reconnect sensor unit
If above methods to release Err4 ~ 6 are
not working, please contact the shop
where you purchased device from for
service.
SPECIFICATION
7530
Model
Measuring range
0~5000 ppm
CO2
Resolution
1ppm (0-1000); 5ppm (1000-2000); 10ppm (>2000)
Accuracy
CO2 below 3000ppm
Co2 above 3000ppm
±50ppm or ±5% of reading,
whichever is greater
30 seconds
Warm-up time
Response time
CO2
Operating condition
Storage condition
Power supply
Sensor size
Weight
Standard package
<2min for 63% of step change or
<4.6min for 90% step change
o
0~50 C , 5~95% RH (avoid condensation)
o
-20~ 60 C,5~95%RH(avoid condensation)
AC100~240VAC
124 x 33 x 26 mm
700g
Sensor, controller, manual, screws
±7% of reading
Piggyback socket load
5A@250VAC; 10A@120VAC
LCD size
Meter size
158 x 106 x 50 mm
47 x 104 mm
