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Chapter 3: Operation
GX-3R Pro Operator’s Manual
Aspirator Adapter Sampling
The aspirator adapter accessory is used when it is necessary to draw sample from an area that
cannot be entered or that must be checked for safety before entry, such as a tank or confined
space.
NOTE:
The CSA combustible performance certification for the GX-3R Pro does not include the
aspirator adapter.
1. Turn on the GX-3R Pro as described on page 22.
2. Attach the sample cup to the GX-3R Pro. Use the label and imprinting to make sure that the
sample cup gets installed in the correct orientation relative to the GX-3R Pro. Be sure the
sample cup is pushed on all the way.
3. Screw the probe onto the threaded end of the hose.
4. Attached the hose and probe to the aspirator bulb.
5. Insert the end of the probe into the area to be sampled.
6. Squeeze and release the aspirator bulb 15 times.
Probe
Hose
Aspirator Bulb
CO
/H
2
S
LE
L
O
2
T
O
X
IC
GX
-3
R
P
ro
AI
R
PO
W
E
R
MO
D
E
FR
O
N
T
Sample Cup
Figure 6: GX-3R Pro Aspirator Adapter