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Sheffield Research FF310 Short / Open Circuit Finder and Circuit Tracer

Sheffield Research FF310 Short / Open Circuit Finder and Circuit Tracer

Part Number:SHFFF310


Sheffield Research
Sheffield Research FF310 Short / Open Circuit Finder and Circuit Tracer.

Locate short circuits, open connections, broken wires, current leaks and even trace wires: Now with the FF310 you can do all these tasks quickly and easily spending only a fraction of the time and effort required when using conventional methods. In most cases, you will even be able to locate the problem area without having to untie harnesses, open conduits or remove panels.
Multiple applications: this professional tool will work on all kinds of circuits with voltages between 6 and 36 Volt DC, such as those found in automobiles, trucks, trailers, tractors, boats, RVs, etc… With its wide working voltage range, automatic open/short detection, flexible probe and adjustable sensitivity, the FF300 Faultfinder enables you, to troubleshoot a complete array of common problems, in a wide variety of vehicles.

Simple to use: it only requires connecting the transmitter in series with the circuit or wire under test, (i.e.: in place of a blown fuse, across a connector, in series with an open wire, a light bulb socket, etc.), and scanning the circuit/wire with the tracer’s flexible probe to find the trouble spot.


Operates on DC voltages from 6 to 36 volts.
Internally protected against power surges and overloads.
9" flexible probe allows reaching wires in congested places.
Transmitter and Receiver LEDs show open or short circuit conditions.
Variable audio/visual signal provides fast and intuitive feedback on the circuit/wire proximity.
Adjustable sensitivity for all tracing situations.
No wire piercing required. New non-contact technology!
Tracing of wires is made possible even inside bundles, conduits, behind panels, under carpets, upholstery, etc.
Transmitter has auto polarity and leads with 5 amps micro-gator clips.


FF300 Transmitter:
Voltage range: 6 to 36 volts.
Indicator: Green LED for power On and Open circuits. Red LED for short circuits.
Power source: 9-volt alkaline battery.Duracell MN1604 (included) Battery life: approx. 50 hrs.
Connector: Two universal 5 amps micro-clips with auto polarity. 18” long cable.

FF300 Receiver
Sensitivity: Three user selectable sensitivity levels (low,medium and high).
Receiver probe: Flexible 9” gooseneck insulated steel probe.
Indicator: Green LED indicator for power on and open circuits. Red LED indicator for short circuits.
Variable flashing and modulated audible signal.
Power source: Standard 9-volt alkaline battery. Duracell MN1604 (included)
Battery Life: approx. 50 hrs. Auto Power Off.

Ships via UPS.

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