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This Tempo/Greenlee 77M-G Tone Generator Cable Tester permits technicians to identify the conductor within a bundle, at a cross-connect point or at the remote end. Can be used on twisted pair wiring (telecom, datacom, etc.), single conductors, coaxial cables, de-energized AC wiring and most other wiring.
Power Requirements
One 9V battery, nominal life, 50 hrs
Transmitter Frequency
900/1100Hz alternating, 900Hz constant nominal
Transmitter Power into 600 ohms
7 dBm
Voltage Protection at 600 ohms in CONT
52 VDC (77HP/6A 60 VDC) (all units provide higher voltage protection in OFF/TONE modes)
High-impact ABS Case
1.25 x 2.25 x 2.5, 24" test leads, 4.5 oz. w/battery
77M
77HP
77HP/6A
77HP/6AC
24" test leads (clips)
Constant/warble tone
Continuity testing
Polarity testing
Talk battery supply
Line 1 modular test lead (RJ-11)
3-color LED (identifies AC ring voltage)
Weather resistant design
Bent nose clips with "bed-of-nails" penetrator
Cloth test leads