Car tyres measurement devices


Car tyre gauges

For a safe assessment of the car tyre durability, during the process of production, in follow-up inspections, in constant-wear tests or with accident tyres the knowledge about the rubber thickness at various positions of the tyre is of great importance. Of great interest is the rubber thickness to the steel mesh, the tread and under-tread thickness, the thickness inside under the tread, interior and exterior surface in the flank area as well as the rubber thickness on the beads.

The handy coating thickness gauge Surfix® Pro X-CT provides for within seconds precise measurement rubber thickness at all important positions of the tyre. The device uses the magnetic inductive principle according to DIN EN ISO 2178 and measures the distance of the probe to the steel mesh.

After simple calibration directly on the steel mesh of a reference tyre (of the same type), immediate measurement can then be made on the original tyre. All calibrations on various reference tyres can be stored and recalled at any later time thus avoiding any recalibration on reference tyres.

The combi-probe F30T is used for greater rubber thicknesses up to approximately 30 mm on the tread and for the measurement on the under-tread thickness up to approx. 10 mm. As opposed to this, the probes F10-1,2,3 are used for smaller rubber thicknesses, e.g. inside underneath the tread, or inside and outside on the side walls or on the beads.

Even the total thickness on side walls having a fabric carcass can be measured up to a thickness of 10 mm. To do this, the probe F10-cp is positioned outside at the required position on the side wall, during which time a steel plate or disk (about the size of a 2 Euro coin) is held opposite to the probe on the inside.

Application areas

  • Quality control in car tyre production
  • Follow-up inspections after constant wear tests
  • Measuring of rubber thickness e.g. in evaluation of accident tyres

Advantages at a glance

  • non-destructive and fast measurement of rubber thickness
  • Scan-mode for detecting especially thin or thick spots
  • Sampling without damaging the measured object
  • Calibration data memory for different tyre models
  • Memory and interface for the evaluation of the measurements
  • Inexpensive measuring method
  • Reduction of measuring efforts

Technical specifications

Device 11005 Surfix® Pro X-CT
Measuring principle Depending on probe; for information see our probe selection
Range Depending on probe up to 30 mm
Accuracy Depending on probe
Resolution 0,1 µm or <0,2% of value
Display High-resolution color display
Calibration method Factory-, zero-, foil-, 2 foil-, offset-function: add. or subtract. of a constant value
Statistics Single and block value statistics, selectable block size
parameters: number of values, average, standard deviation, Minimum, Maximum, Kvar, cp, cpk
Memory 100.000 values
Interface Bluetooth 4.0
USB 2.0
Operating temperature 0 °C to + 60 °C
Surface temperature -15 °C to + 60 °C
Dimensions (gauge) 137 mm x 66 mm x 23 mm
Weight 225 g incl. FN 1.5 probe and batteries
Protection class IP 52 (protection against dust and dripping water)
Standards DIN, ISO, ASTM, BS
Warranty 2 years

Technical specifications probes

Probe 11002 probe F30T
Application Measurement of tread and under-tread thickness
Measuring principle F-mode (magnetic induktiv) on iron/steel
Range Tread: 0–30 mm
Under-tread: 2–10 mm
Zero calibration
Foil calibration.
±(0,2mm +5%)
±(0,2mm +3%)
Dimensions (probe) Ø75 mm x 55 mm
Weight Approx. 400 g
Protection class IP 52 (protection against dust and dripping water)
Standards DIN, ISO, ASTM, BS
Warranty 2 years
  11006 probe F10-1
11007 probe F10-2
11008 probe F10-3
11060 probe F10-CP
Application F10-1 measurement on single steel layer
F10-2 measurement on multi steel layer
F10-3 measurement on the bead against the steel mesh
F10-CP measurement of total thickness of tyre with fabric carcass
Measuring principle F-mode (magnetic inductive) on iron/steel
Range 0 – 6,5 mm F10-CP: 0 - 10 mm
±(0,1mm +5%) F10-CP: ±(0,05mm +5%)
±(0,1mm +3%) F10-CP: ±(0,05mm +3%)
Dimonsions (probe) Ø20 mm x 47 mm
Weight ca. 85 g
Protection class IP 52 (protection against dust and dripping water)
Standards DIN, ISO, ASTM, BS
Warranty 2 years

Scope of delivery

  • Gauge Surfix® Pro X-CT
  • Protective rubber cover
  • Carrying case
  • 2 batteries AA
  • PHYNIX.connect data transfer software
  • Manufacturer's certificate
  • Instruction manual

Important: The gauge is delivered without probe. Please choose one or several probes from our probe selection and order seperately.

Download prospect flyer

A detailed product flyer can be downloaded here:

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