RKI Instruments GX-82A User Manual
Page 36
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
W
HEN
THE
S
AMPLE
-D
RAWING
P
UMP
IS
ATTACHED
,
IT
MUST
BE
RUNNING
FOR
THE
GX-82A
TO
DETECT
CHANGES
IN
GAS
CONCENTRATIONS
. T
HE
GX-82A
MAY
RESPOND
MORE
SLOWLY
TO
CHANGES
IN
THE
AMBIENT
AIR
. U
SE
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