Tinker&Rasor M1/AC Product Instructions

P. O. B 1667 S B
OX AN ERNARDINO
MODEL M1/AC HOLIDAY DETECTOR

DESCRIPTION

The Model M1/AC Holiday Detector is a highly sensitive device designed to locate holidays (pin
holes, voids, etc.) in thin film protective coating of relatively high electrical resistance when such
films are applied to the surface of material of low electrical resistance. In these applications, such
as painted metal surfaces, the Model M1/AC Holiday Detector will locate these points very
accurately with an audible signal. This method of inspection of thin film is a non-destructive test
and will not injure the protective coating.

EQUIPMENT

The electrical components are housed in a thermo plastic resin case with closing lid for maximum
protection and the detector is equipped with on-off switch, LED light, wand terminal, ground
terminal, fuse receptacle, 110v AC cord. (For use with 240v AC, an appropriate cord will need to
be sourced locally). The detector operates from 110/240 volt 50/60 cycle AC line current and the
electrical design of the M1/AC Holiday Detector utilizes a sensitive relay which is activated by a
voltage regulated, solid state power supply.
The detector is a "non-destructive wet sponge" type holiday detector. The basic electronic design
of the Model M1/AC Holiday Detector is that of a very sensitive circuit which is energized by AC
power. When current of 500 or 700 (+/- 10/%) micro-amperes flows in the circuit, an audible
signal is actuated.
The test lead wire used in the wand handle and ground wire is capable of handling a minimum of
100 milliamps at 100 volts. If replacement or additional wire is needed, make sure it meets these
requirements. Up to 200' length of ground wire does not adversely affect the detectors operation,
in most cases. If adding additional ground wire, 14 AWG stranded or equivalent is recommended.
The exploring electrode is open-cell sponge material and is conductive when saturated with a
wetting solution. The sponge electrode is attached to the non-conductive wand handle by means
of the bolt with knob, plastic sponge holder and backing plate.
Web: www.tinker-rasor.com
CORROSION MITIGATION INSTRUMENTATION
, C 92402
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P I
RODUCT NSTRUCTIONS
E-mail: Info@tinker-rasor.com
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T : (909) 890-0700
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The wetting solution should consist of
potable tap water and a wetting agent.
The ratio of one (1) ounce agent to one
(1) gallon tap water is recommended.
Tinker & Rasor WATER-WETTER© is
a non-sudsing wetting agent, available
in 8 oz. bottles, factory direct or
through stocking distributors.
F : (909) 890-0736
AX