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Fisher TW-7700 Digital Line Tracer

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	Fisher TW-7700 Single Frequency Digital Line Tracer

Digital accuracy for pipe and cable readouts
Audio and visual indicators for left/right guidance
Automatic gain control for maximum sensitivity
Push button depth measurement
Instant target response

The state-of- the-art TW-7700 utilizes advanced digital signal processing for precision locating performance yet is extremely easy to use.

The lightweight receiver is simple to use. The display is a large and easy to read LCD that gives the user all the necessary information to do the job. A digital keypad allows the user to set the volume level, check the battery level, or activate an LCD backlight. Depth measurement is done at the push of a button.

The transmitter allows the user to locate in either a conductive or inductive mode. A meter and switch make transmitter set up simple and quick.

In the Fisher tradition, the TW-7700 is affordable, tough, and simple to use while providing maximum performance. A two year limited warranty comes standard with the unit.

R e c e i v e r

Depth Accuracy ................................. +1 inch per foot in nominal conditions
Readout Units .................................... Inches or cm (factory preset)
Left/Right Guidance ........................ Audio: continuous tone=Left, pulsed tone=Right. VCO (varying pitch) output for easy over target location. Visual: Left/Right/Over Target messages
Signal Strength .................................. Digital Numeric Readout (0-99%) & Bar Graph
Sensitivity Adjust .............................. Automatic
LCD Backlight ................................... Included
Battery Test ........................................ Automatic Low Battery Alert Push button readout
Battery Type ...................................... Six “C” cells
Battery Life ......................................... 80 Hours
Weight ................................................. 5.4 lbs.
Operating Temp ................................ -4 0 to +1400F (-200 to +600C)

T r a n s m i t t e r

Output Frequency ............................. 82kHz,
Output Power (nominal) .................. .5Watts,
Battery Test ........................................ Yes
Battery Type ...................................... Two 6 Volt lantern batteries
Battery Life ......................................... 80 Hours
Weight ................................................. 5.0 lbs.

A c c e s s o r i e s

Headphones - Volume adjusts separately for each ear.
Coupling Clamp - Useful for in-service and electrical power line tracing when a metal-to-metal hookup is not possible