Ventis™ LS Product Manual
© Industrial Scientific Corporation
29
Quick Bump Test Process
NOTE: To view a fully narrated step-by-step audio visual demonstration of the zero, calibration, or bump test
processes, visit the online Ventis LS Resource Center at www.indsci.com/VentisLSresources.
Display and Options
Instructions
Bump Test Initiate Screen
Options
Begin process
Bypass process
Press
ON/OFF/MODE
to bypass
the bump test process
and advance to the Peak Readings Screen.
Press
ENTER
to begin
the bump test process.
Bump Test Apply Gas Screen*
Displays the bump test gas concentrations the monitor
is expecting to receive. The monitor waits up to five
minutes to successfully sense the gas.
If gas is sensed, the user advances to the Bump
Test In-progress Screen.
If gas is NOT sensed, a failed bump test occurs
and the user advances to the Bump Test Results
Screen displays.
To Terminate
Press
ON/OFF/MODE
while the gas cylinder icon flashes
to terminate the quick bump test process (or to skip a
sensor’s testing in standard bump testing). The user
returns to the Gas Monitoring Screen.
To Bump Test
•
Place the calibration cup over the upper portion
of the monitor’s
case top (front of monitor). To
attach properly, complete or observe the
following.
o
The cup fully covers the sensor ports.
o
The monitor’s display and buttons are not
covered.
o
The cup’s side arms fit securely in the
grooves on the sides of the monitor.
o
The cup’s nipple points up and away from
the monitor.
•
Turn (counterclockwise) the regulator’s knob.
Bump Test In-progress Screen*
Displays when gas is sensed within five minutes. The
clock icon flashes to indicate the test is in-progress. The
sensor reading(s) display. The LEL and toxic sensor
readings increase and the O
2
reading decreases.
As the bump test progresses
, observe the display
activity (left).
After
the bump test, the Bump Test Results Screen
displays.
STOP THE FLOW OF GAS.
After bump testing, or if bump testing is terminated at
anytime during the process,
stop the flow of gas
from the cylinder.
