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3-1

MANUAL BUMP TEST OPTIONS

3.1 BACKGROUND

A bump test veries sensor response and alarm operation

by exposing the instrument to a known concentration of gas.

The PS200 series of instruments can be bump tested either

manually or automatically (using the Auto Bump / Calibration

Station).

This chapter describes the manual bump test options that

validate either the alarm operation (quick bump), or both alarm

operation and sensor response (full bump). By default, both

of these options are disabled.

To facilitate manual bump testing, a test kit (Part No. 64051)

is available and contains the necessary test gas, regulator

and Tygon

tubing to ensure a proper bump test is performed.

CAUTION: When performing a bump test, the

test gas concentration should be high

enough to trigger the instrument’s

alarms. Should any instrument fail a

bump test, then a full calibration must

be performed.

A Quick bump test only checks the

operation of the audible and visual

alarms and does not validate sensor

accuracy or response time.

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GMI PS241 Specifications

General