measurements, a good quality silicon grease (Dow #4) should be used as a coupling
agent on the mounting ring on the bottom of the device. Only a small amount is
needed.
7. Insert and connect the battery.
8. Mount the cover and then tighten it. Tighten the cover all the way down until the
bottom of the cover touches the base.
Ensure that the base does not turn while tightening the cover. Turning of the base
causes misalignment of the measuring directions.
Always ensure a proper seal when screwing the cover. The cover should be
tightened all the way down to the base to keep the device watertight and free from
the elements.
3.5 Change the battery
The battery that comes with the device is replaceable. The battery may last without need
of replacement or recharge for a minimum of 3 years up to 5 years, if used at room
temperature while collecting and reporting with default collection parameters.
Note
While the device is approved for battery replacement in hazardous locations, always check
with your local Safety Officer before replacing the battery in a hazardous location.
Procedure
1. Using an allen wrench, hold the metal base.
2. Unscrew the device cover and then remove it.
3. Release the holding latch, and then carefully pull the battery tab to take the battery
out of the compartment.
4. Use your finger to release the bottom latch on the battery connect by lifting the tab
and then gently pull it until the connector is released.
5. Plug the battery wire into the connector and position the wire so that it is held by
the battery clamp.
6. Place the battery into the compartment.
7. Snap the battery clamp back into place to secure the battery and wire.
8. Mount the cover and then tighten it. Tighten the cover all the way down until the
bottom of the cover touches the base.
Ensure that the base does not turn while tightening the cover. Turning of the base
causes misalignment of the measuring directions.
Always ensure a proper seal when screwing the cover. The cover should be
tightened all the way down to the base to keep the device watertight and free from
the elements.
User Guide Installation
MHM-97927-PBF August 2020
MHM-97927-PBF, Rev 1 49