KT-C

Product Description

Purpose
Small sized device with set of exchangeable transducers designated for hardness measurement and tensile strength σ of wide range of materials.
According to operating principle the device carry out the following measurements methods:
— dynamic method (Leeb method) in accordance with ASTM A956 standard (ISO 16859-1);
— UCI (ultrasonic contact impedance) method;
— static method of hardness measurement in accordance with ASTM B724 standard;
— hardness measurement method according to Shore A in accordance with EN ISO 868 (DIN 53505, ASTM D2240).

Features
— the first device that comprises 4 measurement methods, universal instrument for hardness determination of metals and plastics;
— wide range of measuring transducers and accessories for control of products of various shapes and dimensions;
— colour 2.4’’ display with built-in Li-Ion rechargeable battery;
— shock-proof ergonomic body with rubberized corners;
— position of transducer in relation to the horizon does not influence measurement results;
— possibility of application in both laboratory and manufacturing conditions;
— possibility of quick view of statistics in measuring process with averaging and by groups stored in device memory;
— possibility of control with set value limits;
— measurement results can be stored in device memory for further transfer into PC using USB 2.0 channel for storage, statistical processing and documentation with use of supplied software.

Basic technical characteristics

  Dynamic measurement method (Leeb method) Ultrasonic contact
impedance method
Static measurement method Measurement method according to Shore A
Hardness scales: HL, HRC, HB, HV, HRA, HRB, HRN15, HRN30, HRN45, HRT15, HRT30, HRT45, HSD, σ HRC, HB, HV, HRA, HRB, HRN15, HRN30, HRN45, HRT15, HRT30, HRT45, HSD, σ HRC, HB, HV, μm HA
Basic measurement error *:
for Brinell scale, НВ 10 10  10
for Rockwell scale, НRС 1,5 1,5  1,5
for Vickers scale, HV  12 12 12
for Shore scale, HSD 2 2
for Shore А scale  2
tensile strength (σ), %, max  5 5
Number of measurements to calculate average value  up to 20
Number of stored individual calibrations up to 3 for each hardness scale up to 3 for each
hardness scale
up to 3 for each
hardness scale
up to 3
Number of memory locations of the measurement results up to 7500 (with possibility to store them into 99 groups)
Power supply built-in Li-Ion rechargeable battery 3.7-4.2 V, 1500-1700 mAh
Operating time, h min 12
Charging time, h 4
Range of working temperatures 20…+60 °С
Size, mm 60 х 125 х 25
Weight, g 120

* These characteristics of measurement error are ensured on hardness test blocks with averaging from at least 10 measurements.

Delivery set
Measuring unit with transducers (quantity and modification depends on customer’s selection), сharging unit, mini-USB — USB type A cable for connection with computer, operating manual, CD with software for transfer and collection of measuring results, shock-proof case.

Guarantee period
— measuring unit — 3 years;
— transducers — 2 years.

Material Scale Scale dimension Measurement range
Steel and cast steel Tensile strength MPa 370-1740
Brinell HB 75-650
Rockwell HRC 20-70
Vickers HV 75-1000
Rockwell “А” HRA 70-93
Rockwell “B” HRB 25-100
Super-Rockwell HRN15 70-94
Super-Rockwell HRN30 40-86
Super-Rockwell HRN45 20-78
Super-Rockwell HRT30 15-82
Shor HSD 20-100
Leeb HL 0-1000
Cast aluminum alloys Brinell HB 20-165
Rockwell “B” HRB 24-85
Cold work tool steel Vickers HV 80-900
Rockwell HRC 20-70
Stainless steel Brinell HB 85-650
Vickers HV 85-800
Rockwell HRC 20-60
Rockwell “B” HRB 45-100
Gray cast iron Brinell HB 100-350
Vickers HV 100-360
Rockwell HRC 20-40
Nodular cast iron Brinell HB 150-400
Vickers HV 150-420
Rockwell HRC 20-42
Brass (copper-zinc alloys) Brinell HB 40-170
Rockwell “B” HRB 14-95
Bronze (copper-aluminum/copper-tin alloys) Brinell HB 60-300
Wrought copper alloys Brinell HB 45-315

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Dynamic probes for gauge KT

D/DC

Basic technical characteristics:
— dimensions, mm: Ø27 x 145/90;
— roughness Ra, µm: 3,2;
— min metal thickness, mm: 10.

D_DC_2

D+15

Basic technical characteristics:
— dimensions, mm: Ø26 x 160;
— roughness Ra, µm: 3,2;
— min metal thickness, mm: 10.

D+15

C

Basic technical characteristics:
— dimensions, mm: Ø26 x 145;
— roughness Ra, µm: 3,2;
— min metal thickness, mm: 10.

C

G

Basic technical characteristics:
— dimensions, mm: Ø33 x 255;
— roughness Ra, µm: 12,5;
— min metal thickness, mm: 100.

G


 Ultrasonic (UCI) probes for gauge KT

Ultrazvukové-(UCI)-sondy-pro-KT-C_4

 

U-10N

Basic technical characteristics:
Pressure Force 9.8 N.
— min metal thickness, mm, 2;
— min radius for test, mm, 5;
— max surface roughness Ra, µm, 0,8;
— dimensions Ø26 x 140.

U-50N

Basic technical characteristics:
Pressure Force 49 N.
— min metal thickness, mm, 2;
— min radius for test, mm, 5;
— max surface roughness Ra, µm, 1,6;
— dimensions Ø26 x 140.


U-100N

Basic technical characteristics:
Pressure Force 98 N.
— min metal thickness, mm, 2;
— min radius for test, mm, 5;
— max surface roughness Ra, µm, 3,2;
— dimensions Ø26 x 140


 Static probe for  KT-C hardness tester

S

The probe is designated to measure hardness of nonferrous metals and also steels with low and medium hardness and other materials. The device realizes direct method of hardness measurement in accordance with DIN 50157 and ASTM B724 standards. It is possible to measure hardness of surface layers, parts sensitive to scratches and polished surfaces and also thin products, profiles, pipes with wall thickness less than 2 mm. Material and dimensions of inspected objected do not influence measurement results.Static

Features:
— direct measurement method;
— possibility to measure hardness of a wide range of materials (nonferrous metals and alloys, steels, plastics) without preliminary calibration;Static_3
— absence of thickness influence (from 2 mm) and weight influence of inspected object on measurement results;
— possibility to carry out measurements with set limits.

Basic technical characteristics:
— indentation depth measurement error, µ: ± 0,3 (ASTM E18-03) ;
— load:

  • preliminary, N: 12;
  • preliminary and main load, N: 49;

— diamond indenter – truncated cone:

  • angle of lateral side, degree: 100 ± 0,5;
  • diameter of the upper base, µm: 60 ± 5 ;

— Overall dimensions, mm: Ø53 х 104 ;
— Weight, g: 300.

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