Combustible Gas Leak Detector
Instruction 19-9336
Rev. 0 – October 2005
Audible Alarm
• 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.
Visual Alarm LED
• Power ON - Rapidly ashes green during warm-
up (approximately 60 seconds).
• Power OFF - Glows red just before power OFF.
• Instrument Ready - Slowly ashes green. The
ash 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.
One Button Control
• 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.
Combustibles Sensor
& Sensor Cover
Battery Door
12 Inch
Flexible Probe