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DeFelsko FM | PosiTest FM Magnetic Coating Thickness Gauge | Scale FM, 0–80 mils
Graduated in mils, the DeFelsko PosiTest FM covers 0–80 mils of non-magnetic coating on steel. This magnetic pull-off (banana) gauge is intended for heavier coatings like galvanizing, metalizing, paint, enamel and plastic films, and needs no batteries thanks to its rare-earth cobalt magnet. Coating applicators and inspectors working in imperial units use it for quick, repeatable checks.
- Scale FM: 0–80 mils
- Tolerance ±0.2 mils up to 4 mils, ±5% of reading above 4 mils
- Carbide measuring probe for long life
- Can be used in any position; fully supported or on the probe tip alone
- GO/NO-GO button can be pre-set for rapid checks
- Conforms to ASTM D7091/B499 and ISO 2808
- Specifications
- Downloads
| Part Number | FM |
| Brand | DeFelsko |
| Model | PosiTest FM |
| Scale | FM, 0–80 mils |
| Tolerance | ±0.2 mils up to 4 mils; ±5% of reading over 4 mils |
| Principle | Magnetic pull-off |
| Substrate | Steel (ferrous) |
| Typical Applications | Hot dip galvanizing, hard chrome metalizing, paint, enamel and plastic coatings on steel |
| Power | None – permanent rare-earth cobalt magnet |
| Probe | Carbide |
| Standards | ASTM D7091/B499, ISO 2808 |
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