'-carbon oxide measurement range
0-999ppm (± 5%)
carbon oxide alarm range 50-999ppm e4 temperature measurement range-10°c to 50°c/14°c to 122°c (± 3%)
air humidity measurement range: 5%-95% relative humidity (rh)(soil 5%)
data refresh frequency: 2 seconds
input voltage ac 110-220v/50-60 hz
work current maximum 0.5 ampere (a)
the service life is about 5 years.
working environment temperature working environment humidity
-10°c to 60°c/14°c to 140°c
20%-80% relative humidity (rh)


