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OMSEM5000 Iss. 01
To toggle the sample pump
between its ‘on’ and ‘off’
state, press the
Function button.
When off, the pump
icon will have a ‘X’
overlay and the
main display
(and ‘%LEL’) will
show four horizontal lines.
Warning
The ingress of water or impurities may cause the malfunction
of the pneumatic circuit and in some cases the damage to the
sensors.
Warning
If the sampling is interrupted or suspended by the pump being
turned off, the instrument will stop logging and horizontal lines
(" - - -") will appear adjacent to the memory capacity
percentage.
Restarting the pump operation
To turn the pump ON, press the Function button, the pump
will restart and the ‘X’
overlaying the pump icon will
dissapear.
Saving leaks
The SEM5000 instrument
–
when logging
–
records GPS events at the nominal rate of
one per second when a GPS signal lock is active. If the CH4 threshold is exceeded [see
section
Error! Reference source not found.
], then an alarm status is saved with each
event but it is the software that will determine this record as a leak event. The SEM5000
allows the operator to explicitly save a current
reading as a leak event.
Press the jogdial and rotate it until the menu displays
SAVE LEAK. Press the jogdial to confirm the
selection and the leak event will be stored
