PPS PPS25, User Manual

Page: 19 / 26

PPS25 Electronic Memory Gauge
User Manual
Pioneer Petrotech Services Inc.
infopps@pioneerps.com
1-888-PP-GAUGE (774-2843)
www.pioneerps.com
Page 18
5.1.4 Cleaning the front of pressure sensor
Under normal circumstances, the pressure sensor does not need special maintenance.
But the diaphragm of pressure sensor has attached with some sludge or oil mud after
finished a downhole operation, the front of pressure sensor needs to be clean properly.

Remove the protector of pressure sensor from the gauge;

Put the front part of gauge into warm water or solvent (Aqueous cleaners )
for 10mins, and then use a small soft brush to clean the diaphragm of
pressure sensor;

Use a clean, soft cloth or toilet paper gently wipe.
5.1.5 Installing and removing the protector of pressure sensor (Fig. 15)

Prepare a protector by filling with o-ring grease;
 Put the protector on gauge pressure sub;

Use a protector installer-remover to screw the protector.

To remove the protector, use a protector installer-remover to loose the protector.
Fig. 15
5.1.6 Checking battery housing (Fig. 16)
Check the battery housing bore if its surface is scratched and uneven.
Fig. 16
Do NOT use any hard objects (figure, screwdriver) to touch the
diaphragm of pressure sensor– it will result in pressure reading
draft even damage of pressure sensor.