Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C,
47500 Subang Jaya,
Selangor, Malaysia.
+603-5621 5786
+603-5621 5829

Bench Hardness Tester - Vickers - TH720 Digital Vickers Hardness Tester

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Brief Introduction
1 The Vickers Hardness Tester is a new and high-tech product combining the optical, mechanical and electronic techniques, with a good aesthetic aspect, operational functions and reliability, and hence it is an ideal instrument for the testing of Vickers hardness.
2 Made with a precise structure design in mechanical field, the instrument adopts motorized testing force loading system instead of traditional weights, therefore the force application more stable, the force value more precise and operation more easy. We use CPU to control all testing process in electric field, adopts new technology of highly clear optic testing system in optic field. With the soft keys on panel board for input operation, the tester has multiple functions as preset the value of testing force and duration time firstly, adjust intensity of light source, and all the testing data such as indentation length, the hardness value, the dwell time of load, and the number of measurements are all shown on the LCD screen.
3 According to the particular requirements of the client, the tester can be equipped with CCD indentation automatically measuring device or video measuring device. The instrument is suitable for the testing Vickers hardness value of the micro and thin pieces, the parts with the strengthening layer, heat treating and permeated and coated plane surface, the crisp materials such as the agate, glass, ceramics and it is, therefore, an ideal hardness measuring instrument for the scientific research institutes, the universities, the industrial production units and the metrological institutes.

T Main Technical Specifications
1 Test forces: 4.903N0.5kgf9.807N1kgf19.61N2kgf24.52N2.5kgf29.42N3kgf 49.03N5kgf98.07N10kgf196.1N20kgf294.2N30kgf
2 Displayed Hardness Value

Hardness Range Max Tolerance
400500HV1 ±4.0~5.0%
400500HV5  ±3%
700800HV30 ±2.0
700800HV50  ±2.0

3 Carriage application method: automatic loading, dwelling and unloading
4 Dwell time of the test force: 0~60s5 seconds as a unit
5 Energy-saving Mode After 10 minutes in repose, the hardness tester will automatically enter the energy-saving mode and shut up the light source. The operator can also wake up the energy-saving mode of the hardness tester by pressing any key on the panel, and then go on with the operation.
6 Optical system (both 10×and 20×objective can be used for measurement):

Objective 10× 20×
Measuring Eyepiece 10×
Total Amplification 100× 200×
Resolution Rate 0.25μm 0.125μm

7 Max. height of the specimen: 180 mm
8 Distance between the point of the indenter and the exterior panel: 130 mm
9 Weight of the main body: 50 kg or so
10 Power: (110/220) AV, (60/50) Hz
11 Overall Dimension(L×W×H): (530×225×630) mm

Technical Specification
1. The main instrument (including a micro Vickers indenter, a 10w objective and a 20wobjective )
2. The Accessories Kit

Large test table 1 PCS
“V” Shape test table 1 PCS
Screw drivers 2 PCS
Horizontal Regulation screws 4 PCS
Level 1 PC
Power Cord 1 PC
10w digital micro eyepiece 1 PC
Vickers hardness blocks 2 PCS(one middle-sized HV5 block and one high-sized HV30 block)
Repair fuses (1A) 2 PCS
Usage Instructions Manual 1 PC

The Special Accessories

Knoop Indenter Hardness Test Blocks
Metallurgical Specimen Cutter Metallurgical Specimen Mounting Press
Metallurgical Specimen Polisher CCD Image Measuring System

Industry Application
TH720 is especially suitable for testing the hardness of micro and thin specimen, fragile material. It is widely applied in heat treatment, carbide, quench hardened layer, the surface coating layer, steel, non-ferrous metals, small and thin shape parts, etc.

We provide 12-month warranty on the main unit.
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