Industrial Scientific Ventis LS Product Manual page 30

Ventis™ LS Product Manual
Bump Test Results (Pass) Screen*
The above displays an all sensor pass result. If one or
more sensors fail, the "F" shows in place of the "P". The
pass/fail screen (left) and the final sensor reading
screen (right) display alternately three times. A single
beep sounds to indicate the bump test is completed.
Bump Test Results (Fail) Screen*
The "bF" displays under each gas type to indicate a
bump test failure. The system level alarm turns on and
the gas cylinder icon flashes.
Peak Readings Screen
Displays the peak icon and peak gas concentrations for
each installed sensor since the last time the peak
readings were cleared. (For O
shown.)
TWA Readings Screen
Displays the TWA (time weighted average) icon and
calculated readings for each toxic sensor installed; all
other sensor values are blank.
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© Industrial Scientific Corporation
, the lowest reading is
2
No User Action Required
After a passed bump test, the monitor goes into gas
monitoring mode.
After a failed bump test, the Bump Test Fail Screen
displays and a low level audio alarm turns on.
The monitor should be fully calibrated after a failed bump
test.
NOTE: After a full calibration, the O
clear the bump test fail status.
Press and release ENTER to clear the peak values, if
desired.
Press ON/OFF/MODE to advance to one of two screens.
If toxic sensors are installed, the user advances to
the TWA Readings Screen.
If no toxic sensors are installed, the user advances
to the Gas Monitoring Screen.
Press and release ENTER to clear the displayed TWA
reading(s), if desired.
Press ON/OFF/MODE to advance to the STEL Readings
Screen.
sensor must pass a bump test to
2