Preparation; Introduction; Connection To External Pressure/Vacuum Supplies - Fluke P3000 Series User Manual

Introduction

The deadweight tester must be set up on a level, stable workbench or similar surface.
If instrument has fitted handpump, remove pump handle form tool roll and fit to
pump arm.
Level the tester using the four adjustable feet to the bubble level attached to the top plate.

Connection to External Pressure/Vacuum Supplies

Connection ports in the rear panel of the instrument are 1/4 NPT. Pressure supply must be
both clean and dry — a compressed gas bottle (instrument quality nitrogen or air) fitted
with a pressure regulator is recommended. Factory (compressed) air lines should only be
used if a series of filters are fitted to ensure that the supply is clean and dry.
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Great care must be taken when operating any pneumatic
deadweight tester, as any contamination present within the
system will result in degradation of performance, and eventual
IRREPARABLE DAMAGE to the PCUs.
To avoid damage to the instrument, the operator should ensure
that any device under test (DUT) is clean and dry before
connecting it to the test port. If the DUT is of unknown
cleanliness, the Dirt/Moisture Trap, P5531, can be mounted to
the test port of the deadweight tester. This will prevent any dirt
particles or moisture droplets present within the DUT from
passing into the deadweight tester system, (see Chapter 8).
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Chapter 2

Preparation

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