Heath Consultants Optical Methane Detector (OM) - Manual (Page 16)

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·Verify that the mounting location of the strap will not cause
it to come in contact with any rotating parts, such as drive
wheels or drive shaft.
NOTE: Ground strap mounting hole is .475”ID and strap length
is 30”.
Protective Cage
Because the main part of the OMD is located on the front
bumper of the survey vehicle, it is in danger of being damaged
due to the possibility of bumping into something. We recom-
mend that a cage be built around the OMD to protect it.
It would be nearly impossible to build one cage that would fit
on every type of vehicle used for mobile surveying. Therefore
Heath does not offer one at this time. We recommend that you
take your vehicle to a local fabrication shop to custom build
one for your vehicle.
Following are a few photos of typical protective cages presently
in use.
I
NSTALLATION