DeFelsko PosiTector FNDS Probe

DeFelsko’s PosiTector FNDS Probe simultaneously measures and displays the individual layer thicknesses of zinc and paint in a duplex coating system.

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DeFelsko’s PosiTector FNDS Cabled Probe measures the individual thicknesses of both the paint and the zinc layers in a duplex coating system with a single reading. Duplex coating systems use a combination of two corrosion protection systems – typically paint or powder coating over galvanized steel (hot-dip, electro, or zinc spray metallizing). The resultant corrosion protection is superior to either protection system used independently.

In Duplex mode, the PosiTector 6000 FNDS utilizes both magnetic (ferrous) and eddy current (non-ferrous) principles simultaneously to calculate and display the individual paint and zinc layer thicknesses. The magnetic principle is used to measure the combined paint/zinc thickness over the ferrous substrate, and the eddy current principle is used to measure the paint thickness over the non-ferrous zinc coating. The zinc thickness is calculated by subtracting the paint thickness from the combined paint/zinc thickness measurement. When disabled, the gauge will operate like a conventional combination ferrous/non-ferrous instrument (similar to PosiTector FNS probe). Ideal for measuring non-magnetic coatings over steel and non-conductive coatings over non-ferrous metal substrates.

FNDS Range

0 – 60 mils (0 – 1500 µm)

Minimum Zinc Thickness

0.5 mil (13 µm)

Paint Layer Accuracy

± (0.05 mils + 1%) 0 – 2 mils ± (1 µm + 1%) 0 – 50 µm
± (0.1 mils + 1%) > 2 mils ± (2 µm + 1%) > 50 µm

Zinc Layer Accuracy

± (0.1 mils + 1%) 0.5 – 2 mils ± (2 µm + 1%) 13 – 50 µm
± (0.2 mils + 1%) > 2 mils ± (4 µm + 1%) > 50 µm

*Accuracies are stated as a fixed value plus a percentage of the gauge’s actual reading.

The PosiTector FNDS Probe is compatible with PosiTector Smartlink and fully interchangeable on both Standard and Advanced gauge bodies.

Weight 454 g
Dimensions 185 × 121 × 51 mm
Brand

DeFelsko’s PosiTector FNDS Probe comes with:

  • Precision Plastic Shims
  • PosiSoft Software
  • Instruction Manual
  • Two Year Warranty
  • Long Form Certificate of Calibration traceable to NIST or PTB

PosiTector 6000 Datasheet

Duplex Coating Thickness Measurement Video