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If a calibration point had already been entered at 0Bar (or approx. this value) a warning message will
be displayed. Press the key under OVERWRITE POINT to accept this new calibration point.
Press the ENTER key to return to the "Pressure Calibration" screen.
Fit the barrel blanking nut and washer to the bottom of the barrel.
Connect a reference pressure gauge to the top of the barrel.
Press the key under GAS ON to apply pressure to the barrel.
Adjust the gas regulator on the right hand side of the equipment to apply approx. 30Bar as measured
by the reference pressure gauge.
Allow the pressure to stabilise (approx 1 minute) then measure the actual pressure using the
reference pressure gauge and compare with the measured pressure.
If the measured pressure is not the same as the reference pressure +/- 0.1Bar, press the key under
CAL POINT to display the "cal point" screen.
Press the key under CHANGE TRUE then enter the pressure measured by the reference pressure
gauge, e.g. 29.9Bar.
The display will now show the entered value for the true pressure. Press the key under ACCEPT to
correct the pressure reading.
If a calibration point had already been entered at 30Bar (or approx. this value) a warning message will
be displayed. Press the key under OVERWRITE POINT to accept this new calibration point.
Press the ENTER key to return to the "Pressure Calibration" screen.
Press the key under GAS OFF to release the pressure inside the barrel.
Rotate the pressure regulator on the right hand side of the equipment fully anti-clockwise.
Press the key under GAS ON to re-apply the pressure.
Adjust the pressure inside the barrel using the pressure regulator on the right hand side of the equip-
ment and check the readings at approx 5Bar, 10Bar, 15Bar, 20Bar and 25Bar.
PET Plus User Manual
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