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Home  >>  Products  >>  Film Thickness  >>  PosiTest

Positest® Coating Thickness Gauge


Positest Coating Thickness Gauge Coating Thickness Gauge for the non-destructive measurement of non-magnetic coatings on steel. (paint, enamel, plastic, galvanizing, plating, metalizing, phosphating, etc.)


Features

  • Positive visual and audible indicators to designate when thickness reading is established.
  • “V” grooves in probe housing and instrument base to allow correct positioning on cylindrical objects
  • Precisely balanced independent of gravity–can be used in any position.
  • GO / NO - GO button can be preset for rapid measurement.
  • Furnished with wrist strap, neck strap & instructions in leather case with belt loops.
  • Positive positioning, no pivoting tendencies during measuring.
  • Functions on a cobalt rare earth permanent magnet (never needs a battery).
  • Housing not affected by mechanical shock, water, acid or solvents.
  • Explosion-proof, Refinery safe.
  • One Year Warranty
  • Certificate of Calibration showing traceability to PTB (Physikalisch-Technische Bundesanstalt) included with every gauge
  • Matching Calibration Standards and Procedures available for every model
  • Highly wear resistant Carbide Probe for longest life and continuous accuracy
  • Remove center of dial cover for easy calibration adjustment
  • Conforms to national and international standards

Technical Data

Technical Data
  DF-FM DF-GM
Scale Ranges: 0 - 80 mils 0 - 8 mils
Tolerance: ±0.2 mils up to 4 mils (±5% of the reading over 4 mils) ±0.04 mils up to 0.8 mils (±5% of the reading over 0.8 mils)
Applications: Hot dip galvanizing, hard chrome metalizing, paint, enamel, plastic coatings on steel Electroplating, thin paint films, phosphating on steel

Instructions for Use

1. Purpose
  A. For the non-destructive measurement of non-magnetic coating on steel.
2. Procedure
  A. Place gauge on surface to be measured. With your index finger rotate the scale wheel forward (counterclockwise) until probe makes contact with the surface, then slowly and steadily turn scale wheel backwards (clockwise) until a click is heard and the yellow indicator appears. At this point read coating thickness on the scale. Note: Surface to be measured must be free from dirt, oil or grease.
B. When measuring on rod or cylindrical materials, align the “V” groove in the probe housing and instrument base with the rod or cylinder.
3. Calibration
  A. All PosiTest gauges are factory calibrated to NIST Standards.
B. When measuring on rough surface or odd shaped substrates, the PosiTest may require recalibration by means of the following procedure:
    1. Remove cover in center of glass.
Holding the scale wheel securely, insert ball point of pen or similar object into one of the four holes exposed in the center of the dial. Rotate right or left to effect proper calibration.
Replace cover securely in center of glass.
2.
3.
  C. Never recalibrate PosiTest on shim stock. Only on thickness standards having an applied coating.
4. Care
  A. Never expose the PosiTest to any magnetic fields.
B. Periodically check the probe tip for foreign matter, removing same with a clean, dry brush or soft cloth.
C. When not in use always return the gauge to its carrying case.

Zinc Coatings Conversion Tables

Positest Zinc Coatings Conversion Table

Conversion Chart 2

Video


 

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

Wrist and neck straps, Laminated instruction card, Genuine leather carrying case with belt loops
DF-FM Positest Coating Thickness Gauge, 0-80 Mils $350.00
DF-GM Positest Coating Thickness Gauge, 0-8 Mils 350.00
Accessories
DS-4010 Gardco Standard Set of 4 NIST Thickness Standards Ferrous (2, 5, 10 and 20 mils) 613.00
DS-4054 Gardco Certified Set of 3 NIST Thickness Standards Ferrous (0.90 & 3.50 mils) 477.00



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