EAGLE 2 Operator’s Manual
Description • 257
Float Probe Assembly
The float probe assembly helps prevent liquid from being drawn into the EAGLE 2. The
float probe assembly is 12-feet long. The hose between both ends of the float probe has an
integral cable that connects a switch in the float end to the plug at the other end. This plug
connects to the float probe socket that is adjacent to the EAGLE 2’s IR port. A quick
connect fitting at the same end of the assembly connects to the EAGLE 2’s inlet fitting.
The float probe switch at the opposite end of the 12-foot hose shuts off the pump if the
probe begins to be submerged into a liquid.
Figure 45: Float Probe Assembly
To use the float probe assembly:
CAUTION:
Drawing water, gasoline, or other liquids into the EAGLE 2 will cause
damage.
1. Attach the quick connect fitting to the EAGLE 2’s inlet fitting.
2. Insert the plug into the socket that is adjacent to the IR port.
3. Lower the probe into the tank or vessel. Lower the probe
very slowly
, keeping the
float switch vertical, to allow the float switch to activate if necessary.
Dilution Fitting (1:1)
CAUTION:
When measuring oxygen readings, remove the dilution fitting or use your
finger to seal the small dilution hole on the side of the dilution fitting.
The catalytic combustible gas sensor requires oxygen to operate. In environments where
there is not enough oxygen to operate the combustible gas sensor, (for example a tank
purged with an inerting gas), the 1:1 dilution fitting adds sufficient oxygen by blending
ambient air with the incoming sample. The standard dilution fitting dilutes at a ratio of 1:1
(one part air to one part sample). The dilution fitting is not an integral part of the float
probe assembly and must be installed on the EAGLE 2 inlet fitting before installing the
float probe assembly when measuring gas in an inert atmosphere.
To attach the dilution fitting:
1. Attach the dilution fitting’s male quick connect fitting to the EAGLE 2’s inlet fitting.
2. Attach the float probe assembly to the opposite end of the dilution fitting.
NOTE:
When using the dilution fitting, multiply the combustible gas reading (LEL or
PPM) by 2 to determine the actual combustible gas concentration. Always
remove the dilution fitting or seal the dilution hole with your finger to measure
for oxygen.
Float Probe
12-foot Hose
Quick Connect Fitting
Plug
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