UCI hardness tester
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Leeb Hardness Tester
LEEB HARDNESS TESTER TKM‑359CE

UCI HARDNESS TESTER TKM‑459CE

High precision UCI hardness tester TKM-459CE intended for quick measuring of metal items’ hardness in laboratorial, manufacturing, and field conditions.

The device is intended for non-destructive testing of production quality in metallurgy, mechanical engineering, aircraft, shipbuilding, atomic industry, oil, and gas industry.

Portable UCI Hardness tester functions by UCI method (Ultrasonic Contact Impedance).

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Description

Description

Portable UCI hardness tester functions by UCI method (Ultrasonic Contact Impedance).

UCI TKM-459CE controls the hardness of the following:

  • Carbonaceous and structural steels
  •  Items with surface-hardened layers such as cementation, nitride hardening, high-frequency current hardening
  •  Heat-proof, corrosion-proof, non-corrosive steels
  •  Plated coating (chrome), overlaying
  •  Items of complicated configuration

Exploitation advantages

  • Stable readings independent from force and time of pressing.
  •  Easy measuring in hard-to-reach areas.
  •  Ultra-small control area (from 1 mm).
  •  Control in slots and blind holes from 5 mm (not provided by rival devices).
  •  Invisible print on the mirror surface.
  •  Low sensitivity to the curvative of surface, thickness, and weight of the product.

Features of UCI hardness tester tkm-459ce

  •  Impact-, dust- and water-proof housing.
  •  Intuitive graphic interface.
  •  The bright color graphic display allows working at below zero temperature and stays bright at any lighting.
  •  Signalization of exceeding of prescribed readings threshold.
  •  A 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 fewer standard blocks.
  •  Flexible device memory for the recording of readings and their analysis.
  •  Programming of additional scales calibrations by 2 or fewer standard test blocks.
  •  Fast programming of additional scales by 2 to 10 standard test blocks.

UCI Probes Characteristics

Photo Probe Type Load Length, mm Diameter, mm Application
«А» 50Н (5 kg) 145 26 Solving the bulk of control problems
«Н» 10Н (1 kg) 145 26 Galvanic coating hardness control (chrome etc.)
«С» 100Н (10 kg) 145 26 Unprepared surface control
«К» 50Н (5 kg) 76 36
Hardness control in tubes and
hard-to-reach areas
«AL»
 50Н (5 kg) 176 26 Hardness control in hard-to-reach areas (length of tip 53 mm)
Distinctive Attributes

Distinctive Attributes

  • Requirements to Controlled Item:
  • Items heavier than 1 kg and thicker than 2 mm need no additional preparation;
  •  Items lighter than 1 kg should be fixed in a vice clamp or on a support plate by fixing paste;
  •  Items thinner than 2 mm should be fixed in a vice clamp or on a support plate by fi xing paste;
  •  Roughness of controlled surface providing best measurement accuracy is 1.6 RA.

Hardness Testers Modes

Measurement mode Readings Using
By basic scales Basic hardness units (HRC, HB, HV) Hardness testing of the bulk of products
By additional calibrations to basic scales By HRA, HRB, HSD scales and ultimate tensile strength Hardness testing of high-alloy steels, special cast iron and nonferrous metals
By additional scales Scales are programmed by the user Special problems solving

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).
Technical Parameters

Technical Parameters

Characteristic Values
Relative average error at regular calibration test with second rate test blocks
  3%
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 1 mm on fl at surface

 

From 5 mm in a slot
Quantity of possible additional calibrations of scales 50
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
Signalization about threshold exceeding Provided
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 A-probe 0.3 kg
Operating temperature range -15…+50 0C
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