Testing For a Gas Leak
1.Turn instrument ON and allow it to warm up (approximately 60 seconds).
2.The instrument is ready to check for gas leaks after the audible alarm begins to beep. Note that the instrument starts in its
3.Check for the presence of gas by positioning the tip of the flexible probe near the area to be tested.
4.An increase in the relative concentration of gas is indicated by the visual alarm’s LED blinking faster and the audible alarm’s beep rate increasing.
5.Once the presence of the gas has been confirmed, the instrument’s sensitivity can be lowered by double pressing the ON/OFF button (a decreasing frequency tone should be heard), allowing the location of the leak to be easily pinpointed.
Replacement Parts
Replacement parts can be obtained by contacting one of Bacharach’s Sales/Service Centers listed on the back cover of this manual.
Item | Part No. |
Sensor. . . . .
Sensor Cover . .
Battery Door. .
Replacing the Sensor
Replace the sensor if a sensor error occurs (Visual Alarm LED flashing green and red), or when the instrument can no longer detect a known source of combustible gas.
1.Turn instrument OFF.
2.Pull off sensor cover.
3.Pull out old sensor and discard.
4.Plug in new sensor, being sure to align tab on sensor with notch in sensor socket.
5.Install sensor cover.
Align tab on sensor 
with notch in socket 
Combustibles Sensor 
Sensor Cover
