Impact / Impact Pro / Impact Pro IR Operating Instructions
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4�6 Pump (Impact Pro / Impact Pro IR Only)
The pump allows gas to be drawn through tubing across the sensors. Fitting the
Pump Adapter will automatically switch the pump on.
If the pump is operating correctly the pump symbol will rotate.
Please refer to Section 4.1.2 Other Displayed Symbols on the operation of the
instrument under blocked flow conditions.
The instrument contains a feature that tests and if necessary dynamically sets the
Pump Stall threshold via a calibration routine. Upon fitting the Pump Adapter, the
user will see the following sequence of screens. The instrument gives instructions
at each stage informing the user as to what operations need to be performed.
Please follow the instructions on screen during the Pump Test and Calibration
procedure. Fit the required length of sample tube of the inlet of the Pump Adapter
together with the Hydrophobic Filter. Fit the Pump Adapter to the front of the
instrument.
Pump Test
Please ensure
pump unblocked
Press � to continue
Ensure that there is nothing obstructing the flow into the sample pump and press
the 3 button.
The following screen will be displayed briefly.
Followed by…
Pump Test
Please block pump
Press � to continue
Use a suitable method to block the end of the sample tube and press the 3
button.
The instrument will now test the pump. Ensure that the blockage is kept in place
for the duration of this test.
If the pump test is successful the following screen will be displayed.
Pump Test
OK
Press � to continue
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