Manual

Model GX-82A Instruction Manual
062796 RKI Instruments, Inc. 33
sensor cover, then slide the pump into place. Make sure the pump
housing seats and clips securely.
2. Turn on the pump and the GX-82A and allow it to complete the
start-up procedure.
3. Take the instrument into the area to be monitored.
Caution
Do not place the probe tip in liquid or other materials
which could be drawn into the Pump or the GX-82A.
4. Place the probe tip in the desired location to sample the atmo-
sphere. Watch the GX-82A’s display for changes. If the sample
system becomes blocked, the low flow alarm will sound.
WARNING
WHEN THE SAMPLE-DRAWING PUMP IS ATTACHED, IT
MUST
BE RUNNING FOR THE GX-82A TO DETECT
CHANGES
IN GAS CONCENTRATIONS. THE GX-82A MAY
RESPOND
MORE SLOWLY TO CHANGES IN THE AMBIENT
AIR
. USE THE PUMP ONLY WHEN SAMPLE-DRAWING MEA-
SUREMENTS
ARE NECESSARY, AND REMOVE IT BEFORE
RESUMING
REGULAR MONITORING.
5. The Pump will run about 10 hours on a set of fresh “AA” batter-
ies. If the battery voltage drops too low, the low flow alarm will
sound. Take the GX-82A and Pump to a non-hazardous area
before replacing the batteries.
Manually-Operated Sample-Drawing Aspirator
The Sample-Drawing Aspirator accessory includes an adapter, hose,
aspirator bulb, and probe. It provides a low-cost solution to occasional