About Precision Coating Thickness Gauge – MiniTest 7400

The MiniTest 7400 is a high end dry film coating thickness gauge with a wide range of external interchangeable probes and memory for up to 250,000 measurement values and 500 measurement groups.  The instrument enables the user to take a wide range of measurements, from the thinnest coatings in the sub-micrometer range (e.g. galvanised coatings), difficult geometries of the objects to be measured (e.g. measurement of steel pins, measurement to be taken in recesses and holes, etc.) down to thick coatings (e.g. flame retardant coatings in steel constructions, rubber coatings etc.).

The probes (sensors) supplied with the instrument are extremely accurate and reproducing results on account of their manufacturing process. Despite high accuracy the sensors are wear resistant and withstand even years of use on rough surfaces. Each sensor is subject to a fully automatic factory test and provided with 50 calibration points for correction of even the slightest deviations.  Each sensor is encoded with temperature compensation for automatic correction of the effect of temperature on the readings.

Features & Benefits

  • Precision in coating thickness measurement of up to 100 mm / 4 inches
  • Increased accuracy and reproducibility by sensor-integrated digital signal processing (SIDSP®)
  • Universal probes with automatic substrate detection for quick measurements on steel and nonferrous metals
  • Wear resistant probes with practically unlimited service life
  • Optimal temperature compensation
  • High precision characteristic curves with up to 50 data points in the factory calibration
  • Storage for up to 100000 values
  • User guidance in 4 languages, others under preparation
  • Infrared data transmission (IrDA) to PC and printer


Non-destructive coating thickness measurement of:

  • Non-magnetic coatings like varnishes, enamels, chromium and zinc on ferromagnetic base materials (e.g. steel)
  • Insulating coatings like varnishes and anodising aluminium and non-ferrous metals (e.g. aluminium)


Property Value
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
  • 1-point calibration (Zero)
  • 2-point calibration
  • multi point calibration with up to 5 points
Additional calibration procedures according to international standards
  • ISO 19840:2004(E)
  • SSPC-PA2
  • SS 184160
  • AS 3894.3
Limit monitoring Optical and acoustical signalling
Measurement units
  • metric: µm, mm, cm
  • imperial: mils, inch, thou
Data interface
  • USB (via adaptor)
  • IrDA® (Infrared)
  • RS-232 (via adaptor)
  • Standard ASCII printer
  • Wireless ElektroPhysik printer
International standards
  • DIN EN ISO 1461
  • DIN EN ISO 2064
  • DIN EN ISO 2178
  • DIN EN ISO 2360
  • DIN EN ISO 2808
  • DIN EN ISO 3882
  • ISO 19840
  • ASTM B 244
  • ASTM B 499
  • ASTM D 7091
  • ASTM E 376
  • AS 3894.3
  • SS 184160
  • SSPC-PA 2
Display graphics display, adjustable lighting
Power suppy
  • 4 x batteries AA / LR 06 / Mignon
  • Mains adaptor 90 – 240V / 48 – 62 Hz
Operating temperature range -10 °C to +60 °C / 14 °F to 140 °F
Storage temperature range -20 °C to +70 °C / -4 °F to 158 °F
Dimensions 153 mm x 89 mm x 32 mm / 4.84″ x 3.5″ x 1.26″
Weight 310 g / 10.93 oz (incl. batteries)

All Downloads

Filename Size Download
MiniTest 7400 Product Brochure 1.37MB Download

Ordering Information

Part Number Description
80-170-0000 MiniTest 7400 coating thickness gauge
Includes software MSoft 7 Professional, User Guide, Quick reference guide, 4 AA batteries, type LR06, plastic carrying case

With preset measuring units µm or mils. Please specify while placing the order.

Various probes are available depending on your application.  Please speak to our sales team to discuss your requirements.

  • Last updated: May 2024
  • Version: 1.0

Statements, technical information and recommendations contained herein are based on tests we believe to be reliable but they are not to be construed in any manner as warrantees expressed or implied. The user shall determine the suitability of the product for his intended use and the user assumes all risk and liability whatsoever in connection therewith.