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Home  >>  Products  >>  Film Flaws  >>  M/1 & M1/AC Holiday Detector
M/1 Holiday Detector

For Thin Films (0-20 Mils)

ASTM: G62-07,   ASTM D5162
NACE: SP0188 (formerly RP0188), TM0384

The Tinker & Rasor Model M/1 Detector is known worldwide as the best choice for the inspection of thin film coatings (0-20 mils). This detector is non-destructive and the applied voltage to the coating never exceeds 67-1/2 volts at any time.

The inspection electrode consists of a 6" x 3.5" x 2" inch cellulose sponge which, when dampened with water, is moved over the coated surface. When the electrode passes a void or bare spot, a small current flows and actuates an audible signal in the instrument. The damp sponge provides an electrically conductive film that contacts the surface being inspected and insures good inspection even in corners and around irregular shapes where holidays are most likely to occur.

M/1 Holiday Detector
M/1 includes Rectangular Sponge Electrode

The original design of the M/1 has been greatly improved. New features include regulated inspection voltage, instant calibration verification, and a new six cell battery pack using AA size batteries available anywhere. Housed in a tough ABS plastic instrument case, the M/1 is warranted against all defects for 90 days, parts and labor. For high noise environments, comfortable headphones are offered as an option. A phone jack is provided for headphones.

Features

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  • Regulated Inspection Voltage
  • Instant Calibration Verification
  • 6 AA batteries
  • ABS plastic Non-destructive detector
  • Shipping Weight for domestic delivery-4 lbs
  • The M/1 never exceeds 67-1/2 volts
  • Optional comfortable headphones for high noise environments

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

1 Detector Unit w/ batteries, 5x6x3” heavy 2 color plastic case, Slides for attaching to the operator’s belt, 1 Cellulose sponge electrode 6" x 3.5" x 2" inches, 1 Ground wire with 15 ft. cable and clamp (Longer ground wire available on request - per foot), 1 Wand with 18 inch phenolic handle (Longer wand handles for inside inspection available at extra cost), Clamp & 6’ cable, 1 4oz. Bottle of wetting agent as used in photography, 1 Set of instructions, parts list and calibration certificate.
HD- M/1 Holiday Detector $395.00
Replacement Supplies
HD-049-014 Wetting agent 8oz bottle 15.00
HD-055-882 Sponge replacement, 6" x 3.5" x 2" 13.00
See the Internal Sponge Electrodes For M1 and M1/AC below

 

M1/AC Holiday Detector

The Tinker & Rasor Model M1/AC Holiday Detector is a highly sensitive electrical instrument, designed to locate holidays (pin holes, voids, etc.) in thin film coatings of relatively high electrical resistance when such films are brushed or sprayed to the surface of material of low electrical resistance. In these applications, such as painted metal surface, the M1/AC Detector will locate these points very accurately.This method of electrical inspection of thin film is considered a non-destructive test with an applied voltage of 67-1/2 volts D.C. to the coated surface.

The model M1/AC was designed to inspect thin film coatings from 1 to 10 mil using ordinary tap water. The cellulose sponge electrode, when dampened with water is moved over the coated surface. When the electrode passes a void or bare spot a small current flows and actuates an audible signal. Some operators have found that the M1/AC Detector is effective on films to 20 mils if a wetting agent is used with the water. Non-sudsing type wetting agents similar to those used in developing photographic film are recommended.

The detector operates from 110/120 volt 50/60 cycle a.c. line current and the electrical design of the M1/AC Detector utilizes a very sensitive relay which is activated by a voltage regulated, solid state power supply. When a current of approximately 750 microamperes flows through the system, the relay closes and activates a signal bell.

M1/AC
M1/AC Kit

 

Features

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  • Regulated Inspection Voltage
  • Non-Destructive Detector Metal Case
  • Domestic Shipping Weight - 8 lbs
  • Instant Calibration Verification
  • The M1/AC has an applied voltage of 67-1/2 volts to a coated surface.

 

Internal Sponge Electrodes

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  Internal Sponge Connection Kit is required for Internal Sponge Electrodes.
Internal Sponge Electrodes are available. (See list below)  

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

1 Detector-Input 110/120 volt 50/60 cycle a.c., 1 Wand with 18 inch phenolic handle, 1 Ground wire (Longer ground wire available on request - per foot), 15' cable with clamp, Output 67-1/2 volts d.c., Clamp and 15' cable. (Larger wand handle or cable available at extra cost), 1 Cellulose sponge electrode 2 x 2 x 7", 1 Set of Operating Instructions
HD-M1/AC Holiday Detector $795.00
Internal Sponge Electrodes For M1 and M1/AC
HD-054-011 1 1/2” I.D. Pipe 50.00
HD-054-021 2” I.D. Pipe 70.00
HD-054-031 3” I.D. Pipe 80.00
HD-054-041 4” I.D. Pipe 90.00
HD-054-051 5” I.D. Pipe 100.00
HD-054-061 6” I.D. Pipe 110.00
HD-054-081 8” I.D. Pipe 120.00
HD-055-361 Sponge replacement, 2" x 2" x 7" 8.00
HD-093-KIT/28 Internal Connector Kit with 28' cable (no roller) * 200.00
HD-093-KIT/48 Internal Connector Kit with 48' cable (no roller) * 300.00
* Required for 1-1/2" to 8" Internal Sponge Electrodes
Aditional electrodes (10 to 30") are available. Call for Pricing



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