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Coating Thickness Gauge "ElektroPhysik" Model MiniTest 650FN
[MiniTest 650]

Coating thickness measurement

MiniTest 650


Rugged coating thickness gauge

    For any non-magnetic coatings on steel such as paint, enamel, chrome, zinc, etc.

    For any insulation coatings on non-ferrous metals such as paint, anodising, ceramics on

     aluminium, copper, zinc die-cast, brass, etc.


Ram-and impact-protected through rubber rimmed casing

Wear-resistant carbide metal sensor tip



The battery-operated gauge features a backlit display and a one meter sensor cable.

The newly developed one pole sensor is made of a wear-and-tear resistant carbide material

to ensure a virtually unlimited life cycle under normal condition use.


An optimal ram-and impact-protection is provided through the rubber rimmed casing. Via an USB

interface, the MiniTest 650 can be connected to a PC for on-line measurements or display of the



The MiniTest 650 Series is available in three models;

The MiniTest 650 F is supplied with a Magnetic Induction sensor for measuring non-magnetic coatings

over ferrous substrates.


The MiniTest 650 N is supplied with an Eddy Current sensor for non-conductive coatings over non-

ferrous substrates.


The MiniTest 650 FN is a dual sensor for measuring coatings over both ferrous and non-ferrous substrates.

This sensor has a auto-recognize feature whereby it recognizes the substrate and automatically switches

to the appropriate measuring principle.


Technical Specifications

Measuring range

Model F (steel)

Model N (non-ferrous metal)

Model FN (dual sensor)

0 … 3000 µm/ 120 mils

0 … 2000 µm/ 80 mils

0 … 2000 µm/ 80 mils


Measuring uncertainty

+/- (2% of reading + 2 µm)/ +/-(2% of reading + 0.08 mils)


Minimum curvature radius

5 mm/ 0.2” convex

25 mm/ 1” concave


Minimum measuring area

Φ 20 mm / 0.8”


Minimum base thickness

0.5 mm/ 20 mils (F)

50 µm/ 2 mils (N)



4-digit screen data (11 mm/ 0.44”)


Measuring units

µm – mils user selectable



Standard, 1-point and 2-point calibration



Calculated from maximum 9.999 readings, mean value,

standard deviation, number of readings, minimum and maximum





Power supply

3 Micro AAA batteries (for more than 10,000 readings)


Dimensions and weight

Housing: 70 mm x 122 mm x 32 mm/ 2.7” x 4.8” x 1.26”

Sensor: Φ 15 mm x 62 mm / Φ 0.60” x 2.44”; 225 grams/ 7.93 ozs


Ambient temperature

Gauge: 0 to 50C/ 32 to 122F

Sensor: -10 to 70C/ 14 to 158F



Special feature of the FN model:

Its dual sensor identifies the substrate material. Upon contact with the surface, the gauge automatically switches to the

suitable measuring principle based on your application. The measuring principle conforms to the DIN, ISO, BS, and

ASTM norms and standards.


This product was added to our catalog on Thursday 26 March, 2015.
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Nanomachinery Co., Ltd.
4, Soi Petchkasem 100 ,Phetchkasem Rd. ,Bangkaenue ,Bangkae ,Bangkok, 10160, THAILAND.
Tel : 086-322-6876 ,02-421-9927 ,Fax : 02-809-2591 E-mail : pongthorn@nano-machinery.com
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