Bacharach 19-9336 User Manual

•  Instrument Ready - Slow beep. The beep

rate is about once per second with no gas
detected.

•  Combustible Gas Indication - Beeps at

a rate that increases along with the gas
concentration.

•  Sensitivity - Produces an increasing

frequency tone when sensitivity changes
from low to high, and produces a decreasing
frequency tone when sensitivity changes
from high to low.

•  Dead Batteries - High frequency tone, fol-

lowed by the instrument turning itself OFF.

•  Sensor Error - Rapidly changing high and

low frequency tones.

•  Power ON - 

Rapidly flashes green during warm-

up (approximately 60 seconds).

•  Power OFF - Glows red just before power OFF.

•  Instrument Ready -

 Slowly flashes green. The 

flash rate is about once per second with no gas 
detected.

•  Combustible Gas Indication - Flashes green at

a rate that increases with the gas concentration.

•  Sensitivity Change - Color changes from red to

green.

•  Low Battery - Flashes orange instead of green

when checking for gas leaks. Typically 1 hour
of operation left after LED changes to orange.
Change batteries as soon as convenient.

•  Dead Batteries - Glows red, followed by the

instrument turning itself OFF.

•  Sensor Error - Flashes alternating green and red.

•  Press once for half second to turn instrument ON.

•  Press and hold for 2 seconds to turn instrument OFF.

•  Double press to toggle sensitivity between high and low.