ElektroPhysik Coating Thickness Gauges

MiniTest 7400 Coating Thickness Gauge

MiniTest 7400 is a High-precision Coating Thickness Gauge and an indispensable tool for measuring non-magnetic coatings (paint, synthetic material, chrome, etc.) on ferromagnetic substrates (steel), or insulating coatings (lacquer, enamel, synthetic material, etc.) on conductive substrates (aluminum, copper, stainless steel, etc.).

The MiniTest 7400 can take a diverse range of measurements and always gives you readings of the highest precision and enables a wide range of measurements, from the thinnest coatings in the sub-micrometer range (e.g. galvanized coatings) to thick coatings (e.g. flame retardant coatings in steel constructions, rubber coatings, etc.). Measuring objects with difficult geometries (e.g. the measurement of steel pins, or in recesses and holes, etc.) is also no problem for the MiniTest 7400.

A five-point-calibration of the sensors ensures very precise measurements.

SIDSP sensors feature high levels of accuracy and are also extremely durable, easily withstanding years of use even on rough surfaces. Each sensor is equipped with 50 calibration points to correct even the smallest deviation.

The intuitive menu control of the MiniTest 7400 allows for high ease of use. For difficult measuring tasks, the integrated configuration assistant simplifies the calibration and parameter settings. The MiniTest 7400 is supplied with the MSoft 7 Professional PC software package, which can help evaluate and export data in various formats (text documents, Excel spreadsheets, PDF) to your PC.

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  • For non-destructive measurements on all metal substrates.
  • PC software for configuration evaluation and data reports.
  • Universal probes with automatic substrate detection for quick measurements on steel and nonferrous metals.
  • User guidance in 4 languages, others under preparation.
  • Increased accuracy and reproducibility by sensor-integrated digital signal processing (SIDSP®).
  • Wear resistant probes with practically unlimited service life.
  • Precision in coating thickness measurement of up to 100 mm / 4 inches.
  • Data memory for up to 250,000 readings.


No. of measurement series 500
Measurement memory 250.000 readings
Statistical functions Number of readings · Minimum · Maximum · Mean value · Standard deviation · Coefficient of variation · Block statistics (Standard or free configurable) · Cp · Cpk · Histogram · Trend diagram
Calibration 1-point calibration (Zero) 2-point calibration multi point calibration with up to 5 points
Limit monitoring Optical and acoustical signaling
Measurement units metric: µm · mm · cm / imperial: mils · inch · thou
Data interface USB (via adaptor) / IrDA® (Infrared) / RS-232 (via adaptor)
Display graphics display, adjustable lighting
Operating temperature range -10 °C ... +60 °C / 14 °F ... 140 °F
Storage temperature range -20 °C ... +70 °C / -4 °F ... 158 °F
Dimensions 153 mm x 89 mm x 32 mm / 4.84" x 3.5" x 1.26"

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