PosiTest AT-M
As required, verify and adjust the dolly size by pressing the
button. Select the pressure units by pressing the button.
The instrument will maintain these settings even after the
button is pressed.
4. Zero the instrument
BEFORE
pumping by pressing the button.
This prepares the instrument for the test by clearing the
display, and zeroing the instrument.
5. Prime the pump slowly until the displayed reading approaches
the priming pressure. The priming pressure is the point that the
instrument begins calculating and displaying the pull rate. It is
also the pressure at which the ability to store readings is enabled.
Priming pressures for the various dolly diameters are:
For optimum results, prior to exceeding the priming pressure,
return the pump handle to its full upright position and then
complete a single continuous stroke at the desired pull rate until
the actuator separates the dolly from the coating.
6. Open the pressure relief valve and remove the dolly from the
actuator assembly.
7. Readings may be stored into memory by pressing the
button
(memory storage for up to 200 pulls)
. Press again to review
stored readings. Stored measurements can be accessed using
our PosiSoft 3.0 desktop software (pg. 18).
3. Close the pressure
relief valve on the pump
completely
(turn clockwise).
CLOSE
10 mm 400 psi 2.8 MPa
14 mm 200 psi 1.4 MPa
20 mm 100 psi 0.7 MPa
(default setting)
50 mm 50 psi 0.4 MPa
6
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