11
CAUTION:
Never attach the flue gas filter cartridge directly to the sample hose - always use
a dust and water-block filter.
WARNING: Hold the probe without touching metal while it is in the flue and immediately
afterwards. Running the instrument in air after a measurement will help
cool the probe quickly and dry the filters.
WARNING
:
Hold the steel bar hole probe only by the insulated handle to avoid
electrical shock from buried power lines.
7.
PROBES
Surface Probes
A surface probe, 36 inches long, terminating in a rubber cone, is available for above ground
service (Part No. SP-636).
Gooseneck Probe
The gooseneck probe (Part No. GP-514) is a 14 inch long flexible probe which connects to
the dust and water-block filter and a quick connect fitting.
Flue Gas Probe
The flue gas probe (Part No. FP-110) is a telescoping metal probe screwed finger-tight into
the flue gas filter. The other end of the filter attaches to the dust and water-block filter. This
probe, together with its filter, may also be used for CO measurements in ambient air.
Bar Hole Probes
There are five optional probes suitable for bar holing:
Bar Hole/Ceiling Probe (Part No. BP-034) 34" long, clear, one hole at end.
Bar Hole Probe (Part No. BP-134) 34" long, clear, side holes.
Bar Hole Probe (Part No. BP-136) 36” long, fiberglass, one hole at end.
Bar Hole Probe (Part No. BP-236) 36" long, fiberglass, side holes
Bar Hole Probe (Part No. BP-536) 36" long, steel, side holes.
The stainless steel probe has an electrically insulated handle. Bar hole probes are designed
to be attached to the water block filter on the hose. A convenient way to release water from a bar
hole probe is with a water-stopper (Part No. WS-001) described in Section 8.