The new Surfix® SX and EX Series Coating Thickness Gauges from Phynix are manufactured in Germany and feature an external probe sensor on a fly-lead for better access to tight working spaces.

Now also featuring USB charging which means it can now be operated with batteries, rechargeable batteries (NiMH) or directly via the USB connection.

Two models are available:

The Surfix® SX for connection of exchangeable, separate probes. This allows the user maximum flexibility, enabling the device to fulfill many different measurement tasks. 

The Surfix® EX features a firm-lay, fixed standard probe - suitable for applications where the measurement tasks are clearly defined. It is easy to use and also more cost efficient compared to the Surfix® SX.

The probe has a highly wear resistant carbide pole tip and the plastic foot is equipped with a v-groove to ensure upright position when on cylindrical and curved surfaces.  An optional high temperature foot is available to allow for measurements on surfaces up to 300°C.

Available as Standard with data memory (2,000 values) which can be transferred via USB 2.0 to PC for reporting.

Other features include statistics, limit values,  automatic material selection and three different calibration modes

Coating thickness gauges are used to measure the thickness of dry film coatings such as electroplating, paint, powder coating, etc for quality control purposes.



• Automatic recognition of substrate
• Data memory of 2,000 values
• On-screen statistics
• Intuitive menu guidance
• USB2.0 Data transfer



Measuring Range Up to 1500µm
Accuracy  ±1µm +1% of reading 
Resolution 0.1µm or <0.2% value
Statistics Value, Average, Min, Max, SD
Memory 2,000 Values
Interface USB2.0 PHYNIX.connect
Dimensions 137mm x 66mm x 23mm
Protection class IP52 (dust and dripping water)
Standards DIN, ISO, ASTM, BS



Brand Phynix

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