Crowcon Gas-Pro - Fitting a flow plate

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1.4 Fitting a ow plate
A ow plate can be used for a number of applications including pumped operation (remote sampling),
manual gas test/calibration or for manual sampling. If the pumped ow plate is attached before turning
the Gas-Pro on and the Gas-Pro includes a pump, a pump test will commence as part of the start up
process (see Pump test on page 20).
There are 3 types of ow plate: one for a Gas-Pro with internal pump, one for a Gas-Pro with no
pump and a non-magnetic version for PC calibration or for manual sampling. Although there is no
difference to the attachment procedure, they are not interchangeable (see Figure 4). The pumped
ow plate has the
symbol in the top left corner to aid recognition.
Figure 4: Pumped and non pumped ow plates
À Pumped ow plate
Á Non pumped ow plate
 PC Cal/Test Flow Plate
Check the ow plate’s gasket is free from dirt and has not been damaged prior to tting. To t a ow
plate, locate it over the Gas-Pro sensors as shown in Figure 5 and tighten the securing screw
À.
Figure 5: Fitting a ow plate
The ow plate includes a quick connect tting for attaching sample tubes and probes.
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