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alphaDUR mini UCI Hardness Tester

The alphaDUR mini is the small and handy variant of the alphaDUR which has been successfully used in hardness testing since many years. The technology is identical and the accessories are compatible.
The operation of the alphaDUR mini is very easy because all information is shown on the large display. Hardness scale and material can quickly be changed by special keys.
Due to the UCI measuring method measurements can be done fast and accurate. The measured value is displayed directly after the test load has been applied. A test load between 0.3 kg (HV 0.3) and 10 kg HV 10) can be chosen depending on the application and the sample surface.

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Technical Data.

Measuring method UCI (Ultrasonic Contact Impedance) according to DIN 50159 and ASTM A 1038-05.
Test load: 3, 10, 20, 30, 49, or 98 N, depending on the UCI probe (HV0.3 – HV10).
Testing Materials: Preferably metals, material calibrations can be saved in the device. Measurements on glass, ceramic, and plastic are possible if comparison measurements for calibration are done. Minimum thickness for steel app. 5mm (depending on the sample geometry).
Hardness scale: HRC, HV, HB, HRB, and tensile strength.
Uncertainty of measurement: <2% to the value of the hardness test block. Display Colour LCD 320 x 240 pixels. Interface: USB. Data memory: 100,000 data records with date, time, and GOOD/BAD rating. Data transfer: Direct protocol printout with mini thermal printer. PC-Software Data transfer on USB flash device. Statistics: Average value, minimum, maximum, standard deviation. Battery Built-in Li-ion battery, battery life approx. 6.5 h, rechargeable by charging adapter or USB port. Langauge Menu: English, German, French, Polish, Russian, Turkish. Langauge Manual: English, German, French, Polish. Dimensions: 135 x 80 x 23 mm. Weight: Device 320 g, probe 190 g. Minimum sample thickness: Approx. 5 mm (depends on the dimension and the shape of the sample).

Delivery Scope

Basic UCI hardness tester with built-in battery.
Probe (3N, 10N, 20N, 30N, 49N, or 98N) with connection cable.
USB cable.
USB charging adapter.
Carrying case.
Manufacturer certificate.
USB flash drive with manuals (PDF).


Probe support for flat and curved surfaces.
High precision stand.
Probe handle.
Portable mini printer.
Special probe SL for measurements at locations difficult to access.
Carrier bag.
Certified UCI hardness test blocks (Ø 90x16mm).


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