Bump Testing - Emerson Rosemount 928 Reference Manual

Operation and maintenance
August 2018
7. When you have finished viewing sensor log records, select Exit.
8. Select Finish.
5.8

Bump testing

Bump testing is a process by which the target gas is introduced to the Rosemount
Series Gas Sensor Module to verify that the device is functioning properly. Bump testing
does not replace calibration. Emerson
sensor's service life as prescribed by your facility preventative maintenance procedures.
About this task
If bump testing fails, recalibrate the Rosemount 628. Refer to
628 Gas Sensor Module
the Rosemount 628. Refer to
WARNING
• Before performing the next step, verify that the regulator is closed to avoid releasing
gas into the air during calibration.
• Bump testing may trigger alarms. If alarms are configured to initiate action (for
example, close valves, initiate facility evacuations, call emergency services) or to
trigger alarms in the host system, take precautions to prevent unwanted automated
responses during bump testing.
152
• Select Exit to leave the sensor log.
. If the Rosemount 628 fails to accept a new calibration, replace
Replace the Rosemount
™
recommends bump testing throughout the
™
628 Gas Sensor
Reference Manual
00809-0100-4928
™
628
Calibrating the Rosemount
Module.
Rosemount 928
™