Portable dynamic hardness tester TKM-359
It is intended for measuring hardness of metal and alloy articles with Rockwell, Brinell, Vickers. It consists of the dynamic transducer (sensor) and the electronic module.
The principle of tester operation is based on determining velocity ratio of the indentor (the impact component with hard-alloy spherical tip) before and after striking the surface of the article being tested.
It has passed type approval testing. Certificate No. 23959. It is registered with the State Register of Measurement Means under No. 31764 - 06
Advantages:
- High life time of the transducer (250000 measurements)
- high measuring performance
- ability to measure hardness of materials with nonuniform structure (for instance, plumbum, pig iron, etc.)
- measuring hardness of complexly shaped articles, with hard to reach places, in various spatial positions
- convenience and ease of use
- PC-connectable via RS-232C interface
- high measuring performance
- headsets for convex and concave surface
- power source discharge indication and display illumination
- graphical display with lighting
- storing 6000 hardness measurements in the nonvolatile memory
- supply of reference blocks on request
Typical objects for measurements:
- pressure vessels, pipelines, turbine rotors, forming rolls, crankshafts, gears, metal-working tools, vehicle parts, rails, railroad car wheels, semi-finished industrial products (castings, sheets), welded joints.
Main technical parameters:
| Hardness measurement ranges by scales: | |
|
Rockwell Scale Brinell Scale Vickers Scale |
20 ... 70 HRC 95 ... 470 HB 240 ... 800 HV |
| Relative measurement error: | |
|
Rockwell Scale Brinell Scale Vickers Scale |
2.0 % 4.0 % 4.0 % |
| Number of measurement results stored in memory | 6000 |
| Interface | RS232 |
| Hardness tester power supply | rechargeable battery |
| Chief dimensions | 150 х80 х30 mm |
| Weight of electronic module with sensor | 0,4 kg |
| Category temperature range | -10 ...+ 40 °С |
| Warranty | 2 years |