AZ Instrument 7291 Gas Leak Detector
DETECTS METHANE AND PROPANE GAS LEAKAGE !
SINGLE COLOR LED DISPLAY 5-LEVEL LEAK !
ALARM AND READY LED !
BATTERY LOW INDICATION !
AUTO-CALIBRATION WHILE POWERS ON !
BUILT IN EARPHONE JACK !
FEATURES MUTE FUNCTION !
QUALITY SEMI-CONDUCTOR SENSOR !
QUICK RESPONSE
HIGH SENSITIVITY !