High precision hardness tester TKM-359CE intended for quick measuring of metal items in laboratorial, manufacturing and field conditions.
Device is intended for non-destructive testing of production quality in metallurgy, mechanical engineering, aircraft, shipbuilding, atomic industry, oil and gas industry.
Hardness tester functions by Leeb method.
mpact-, dust- and water- proof housing;
Intuitive graphic interface;
Bright color graphic display allows working at below zero temperature and stays bright at any lighting;
Signalization of exceeding of prescribed readings threshold;
Unique system of statistic data processing and averaging of readings;
Fast adjustment of readings and programming of additional calibrations to basic scales by 2 or less standard blocks;
Flexible device memory for recording of readings and their analysis;
Programming of additional scales calibrations of hardness tester by 2 or less standard test blocks;
Fast programming of additional scales by 2 to 10 standard test blocks.
Requirements to Controlled Item:
Items heavier than 5 kg and thicker than 6 mm need no additional preparation.
Hard items (eg tubes) with awaited hardness from 90 to 250 HB and thicker than 4 mm need no additional preparation.
Other items should be fixed on a support plate by fixing paste.
Roughness of controlled surface providing best measurement accuracy depends on a probe.
The parameters of the statistical processing of measurements
Maximum, minimum, mean value, standard deviation from the mean.
The average deviation from the values set by a user, results are more/less the values, the maximum deviation in the large/smaller side of the value.
Number of results outside the upper/lower limit of range (user specified), maximum deviation from the upper/lower border.
Automatic garbage results, incorrect measurement.
Comparison of results of measurements in the series (the comparison charts on the display of the hardness tester).
Calibration error with the first rate test blocks:
Rockwell 1.5 HRC
Brinell 10 HB
Vickers 12 HV
Spot diameter on the item surface for probe positioning From 7 mm
Quantity of possible additional calibrations of scales 5 for every scale
Quantity of additional scales 3
Duration of one measurement 2 seconds
Quantity of measurements for average reading calculation 1-99
Memory capacity, readings 12 400
Maximum quantity of name units of readings generated in memory 100
Quantity of algorithms for known to be false readings during average value calculation 3
PC Connection USB
Power Supply LI-ion accumulator
Dimensions of hardness tester electronic unit 121x69x41 mm
Weight of electronic unit 0.3 kg
Weight of D-probe 0.15 kg
Operating temperature range -15â¦+50 0C
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