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Installation
MeterMatch-VR is contained in a plastic enclosure that is 1.85" by 2.40" x 0.93". To calibrate it, you
will need to expose the circuit by removing the small Phillips-head screw in the bottom center of the
enclosure, using a #1 or smaller Phillips screwdriver. Take care that the circuit board doesn't touch
any metal which could short things out, and when finally installed, make sure it is in a dry spot that
doesn't get overly hot. MeterMatch generates some heat while in use.
Be careful when it is open and operating, the large voltage regulator inside (secured with hex-
screw) can get hot - don't burn yourself.