Sensor, Sensor Barrier, Lcd, And Vibrating Motor Replacement - Industrial Scientific Ventis MX4 Product Manual

Ventis™ MX4 Product Manual
Suspender clip
When worn, the diffusion 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.
Clip replacement
Lift the clip's cover.
To remove the clip, use a
Phillips screwdriver to
access the clip's screw.
Turn counterclockwise to
loosen the screw.
Remove the washer,
screw, clip, and spacer;
set aside or store for
future use.
*Torque value is .88 Newton-meters (125 ounce-force inch).

Sensor, Sensor Barrier, LCD, and vibrating motor replacement

Service instruction sets are provided below. Follow the instruction relevant to the desired task and take note of the
following:
•
The monitor has a two-part circuit board assembly, the main board and a smaller sensor board. They are
attached to one another with a connecter at the center of the sensor board.
•
The sensor barrier can be replaced as an assembly that fits in the monitor's case top, or the full case top can be
replaced. NOTE: When a sensor is replaced, it is recommended that the sensor barrier/case top also be
replaced. After reassembling the monitor, a full calibration should be completed.
•
The LCD is removed and attached as a single component.
© 2018 Industrial Scientific Corporation
Clip only (use with battery and Slim extended battery)
To remove the clip, use a
Phillips screwdriver to
access the clip's screw.
Turn counterclockwise to
loosen the screw.
Remove the screw,
washer, and clip; set aside
or store for future use.
Clip with spacer (use with Extended battery and battery cover)
To attach the clip and
spacer, cover the case
bottom's platform with the
spacer.
Put the washer onto the
screw and place the screw
in the clip's middle hole.
To attach the clip, put the washer onto the screw and
place the screw in the clip's middle hole.
Turn the screw clockwise to tighten*.
Guide the screw into the
spacer's hole and into the
instrument case bottom.
Turn clockwise to tighten*.
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