Model: M/1 Low Voltage Holiday Detector
Applications
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Use on thin film coatings on conductive substrates such as tanks, concrete, etc.
Recommendations:
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Conforms to standards for low voltage holiday detectors, such as NACE International RP0188
Calibration
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Recommended Annually
Specifications
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67.5v D.C. Output
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80 ohm. Resistance for coating on metal
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90 ohm. Resistance for coating on concrete
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(Factory setting is 80 ohm. See Instructions for information on changing setting to 90 ohm)
Dimensions
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5' x 4' x 2' Case. 1 lbs. (127mm x 101mm x 50.8mm, 45kg)-Instrument in case
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20" x 5.5" x 4", 3 lbs. (508mm x 139.7mm x 101.6mm, 1.35kg)-Shipping
Model: M/1 Low Voltage Holiday Detector
The M-1 is known Worldwide as the best choice for the inspection of thin film coatings (0 to 20 mils). The M-1 now uses a 9v battery which can be replaced without opening the instrument case. With on-board calibration verification, the M-1 can be checked in the field with no other test apparatus needed. An LED lights on the front panel when the unit is in calibration and when a holiday is detected. The M-1 comes complete ready go to work right out of the box. Headphones may be used in noisy environments that drown out the normal audio signal.
Model: M/1 Low Voltage Holiday Detector

Stick Type Low Voltage,
"Wet Sponge" Holiday Detector
New Updates Features
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67.5v DC output
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Power LED
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Audible & Visual holiday detecting indicators
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80kΩ - 90KΩ resistance
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On-board calibration verification
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3.5mm Headphone jack
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Battery operated (9v) (A/C version available 115v / 240v)
US $465.00
Included in the M/1
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Instrument with batteries
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15’ Ground Cable
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Wand, 16 with red cable
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Wand, 18" extension
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Sponge electrode 6" x 3.5" x 2" (Ships Compressed, add water)
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4 oz. Bottle of "water wetter"
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Instructions Manual
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(1) 9v battery (installed)
Ease of use makes the M-1 the Professionals’ choice.
Model: M/1 Low Voltage Holiday Detector
M1 Kit Replacement Accessories:
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085-155 M/1 Instrument - US$425.00
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026-101 Ground Cable 15' (4.5720m) - US$50.00
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049-014 Water Wetter Wetting Solution, 8oz. - US$12.65
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028-086 CANVAS BAG - US$15.00
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177-070 Wand 18" extension - US$50.00
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177-075 Wand, 16" w/red cable - US$50.00
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055-882 Electrode, Sponge, 6" x 3.5" x 2" - US$5.00
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076-050 Sponge Holder - US$3.50
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094-030 Sponge Holder Knob - US$3.80
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014-195 Sponge Backing Plate - US$1.00
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010-007 Battery, 9v - US$3.45
Previous Version (Old Style Red/Black box) M/1 parts:
177-071 Wand with red cable - US$50.00
026-017 Ground Cable, 15', Black - US$25.00