TESTBOY TV 218 Bedienungsanleitung Seite 27

| Before each measurement, make sure that the clamp meter is
in perfect condition. Test the meter on a known current source
to make sure it is functioning properly before actual use.
| The "+" sign on the clamping jaws indicates the direction of
current flow during DC mode (as shown in the illustration).
A Direction of current
B Protective ring
C Data Hold
D Mode selector switch
TV 218
Operations
A
B
C
D
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