Ventis™ LS Product Manual
© Industrial Scientific Corporation
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STEL Readings Screen
Displays the STEL (short term exposure limit) icon and
STEL values for each toxic sensor installed; all other
sensor values are blank. The STEL value is the running
average over the last 15 minutes.
Press and release
ENTER
to clear
the reading(s), if
desired.
Press
ON/OFF/MODE to advance
to the Gas Monitoring
Screen.
* During the standard calibration or standard bump test process, a series of apply gas, in-progress, and results screens show for EACH sensor as it
is calibrated or tested.
Recommended Practices for In-field Air Sampling
When worn, the monitor should be fastened securely and attached to ensure the sensor portals are exposed to the
air. The monitor should be in full view. No part of the monitor should be covered by any garment or part of a garment.
Cleaning
•
NEVER use solvents or cleaning solutions of any type.
•
When necessary, wipe the outside of the Ventis LS with a soft, clean cloth.
•
Make sure the sensor diffusion membrane, inside and out, is free of debris; wipe gently with a cloth or brush that
is soft, clean, and dry.
Service
Instructions are provided for battery, sensor, sensor barrier, and LCD service. Refer to the three-dimensional view
diagram to identify the parts referenced in the instruction sets, and for screw torque values.
Read all instructions before beginning any monitor service.
To view a fully narrated step-by-step
audio visual
demonstration
of service tasks, visit the online
Ventis LS
Resource Center
at www.indsci.com/VentisLSresources.
NOTICES
→
Before beginning any service tasks, power-off the monitor.
→
Only qualified staff should perform monitor service and should take the following precautions.
→
Take care not to touch battery contacts on the monitor or the battery itself.
→
Perform work in a clean air environment that is known to be nonhazardous.
→
Perform work on a nonconductive work surface.
→
Wear grounding straps.
Battery Packs
Battery service instruction sets are provided below for each allowable monitor/battery pack combination. Please
choose, read, and then follow the appropriate instruction set.
Battery Pack Replacement.
1
Power-off the monitor.
2
Loosen the four captive screws on the lower portion of the case bottom (or the battery cover if the
Extended Range Li-ion battery pack is attached).
3
Lift and remove the Li-ion battery pack or (Extended Range battery and cover); set aside.
Battery Attachment.
If attaching the Li-ion battery pack, start with step 4.
If inserting the Extended Range Li-ion battery, follow steps 5-7 ONLY.
