B&K Precision 307A - Manual - Manual (Page 8)

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1
2
3
4
5
6
1. Test Button Switch.
2. Function Selector
3. Battery OK indicator
4. Mirror Scale
5. Live Circuit Warning Light
6. Test Leads and Fuse Zeroing Knob
7. Instrument Layout
N-E P-E
!
INSULATION-CONTINUITY METER
0W
ZERO
ADJUST
OHM
CATIII 600V
FOR CONTINUOUS
TESTING, PRESS AND TURN
LOCK
!
FOR Vac: DO NOT PRESS
PRESS TO TEST
ALWAYS ENSURE CIRCUIT TO TEST
IS FREE OF VOLTAGE BEFORE
PROCEEDING WITH CONTINUITY
OR INSULATION TESTING.
Batt. Check
3W
500W
250V/100MW
500V/200MW
1000V/400MW
INSULATION
MW
W
CONTINUITY