Rugged case and electronics
Large LCD displays CO levels from 0 to 1000 ppm
Bright back-light allows easy screen viewing under dim lighting conditions
Beeper triggers with increasing frequency as CO levels rise
MAX Hold function stores and displays the maximum CO level
Automatic sensor zeroing and self-test sequence upon start-up
CO level beeper can be silenced if desired
Automatic power-off after 20 minutes extends battery life
Easy to replace battery
Replaceable sensor extends tool life
C50 soft carrying case, battery and instruction sheet
Stabilized electrochemical CO specific sensor
Typical three year sensor life; one year calibration cycle
Battery life typical 500 hours with alkaline battery