DeFelsko PosiTector FLS Probe

DeFelsko PosiTector FLS Probe measures thick non-magnetic coatings up to 1.5 inches (38 mm).


DeFelsko PosiTector FLS Cabled Probe for measuring intumescent paint and other thick protective coatings on steel. Compatible with both Standard and Advanced PosiTector Gauge bodies, the FLS probe measures thick coatings or linings up to 1.5 inches on steel or other ferrous metals. This probe has a braided stainless steel cable that is kink-proof, and wear and cut resistant. Conforms to: ISO 2178/2360/2808, PrEN ISO 19840, ASTM B499/D1186/D1400/D7091/E376/G12, BS3900-C5, SSPC-PA2 and others.

Choose between a Standard or Advanced Gauge Body. A Standard Gauge Body can store up to 1,000 readings per probe. An Advanced Gauge Body can store up to 250,000 readings from multiple probes in up to 1,000 batches and sub-batches. Both DeFelsko Gauge Bodies are compatible with all PosiTector probes. DeFelsko Gauges feature a fast measurement speed of 60+ readings per minute or up to 90+ readings in enhanced FAST mode.

FLS Range

0 – 1.5 inches (0 – 38 mm)

FLS Accuracy

± (0.01 inches + 3%)
± (0.2 mm + 3%)

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

The DeFelsko PosiTector FLS Cabled Probe is compatible with PosiTector Smartlink and fully interchangeable on both Standard and Advanced gauge bodies. Compatible with DeFelsko’s PosiSoft Software for viewing, analyzing, and reporting measurement data.

To select the proper probe for your application, please see DeFelsko’s Ordering Guide.

Stone Tucker Instruments is able to certify your PosiTector FLS Probe. Click here to fill out our RMA Form.

Weight0.14 lbs
Dimensions13.7 × 6.1 × 2.8 in

DeFelsko’s PosiTector FLS Probe comes with:

  • 19 mm (750 mil) Shims
  • Hardshell Case
  • PosiSoft Software
  • Instruction Manual
  • Two Year Warranty
  • Long Form Certificate of Calibration traceable to NIST or PTB

DeFelsko Working Shims

Plastic Shims

PosiSoft Software

PosiTector Smartlink

Click here to download the DeFelsko PosiTector 6000 Datasheet