Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C,
47500 Subang Jaya,
Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+6012-2231813
+60122233687

Bench Hardness Tester - Vickers - TH711 Digital Micro Vickers Hardness Tester

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Features
The Micro Vickers Hardness Tester is a new type high-tech product combining the optical, mechanic and electronic techniques; with a novel and pleasing appearance, direct-viewing, operational functions and reliability, besides, it has a special characteristic that the indenter and the objective shifting are automatically completed; hence it is an ideal instrument for the testing of micro-hardness.
Made with a precise design in the field of mechanics, CPU control of the testing process in the electric field, and adopted the highly clear optic testing system and photo-electric sensor in the field of optics, the instrument has multiple functions as the input by means of the touch keys on the operating board, the presetting of the dwell time for test force, the selection of the Vickers or the Knoop measuring methods, regulation of the intensity for measuring light source. All the testing data such as the indentation length, the hardness value, dwell time of the testing force and the number of the measurements are all shown on the LCD screen; and can be outputted by printer as well. By means of RS232 interface, the instrument would be connected with computer.
According to the particular requirements of the client, the instrument can be equipped with CCD, video measuring device and photographical devices. The instrument is suitable for testing the micro and thin pieces, the parts with the permeated and coated surface, it is also fit for testing micro Vickers and Knoop hardness value for 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 using with for studying and measuring.

Technical Specification
1. Test forces: 0.098N(10gf), 0.245N(25gf), 0.49N(50gf), 0.9807N(100gf), 1.961N(200gf), 2.942N(300gf),4.903N(500gf), 9.807N(1000gf)
2. Displayed Hardness Value


Hardness Range Max Tolerance
(200¡«300)HV0.05 ±5.0%
(400¡«500)HV0.1£¬£¨700¡«800£©HV0.2 ±4.0%
(700¡«800)HV0.5£¬HV1 ±3.0£¥

Technical Specification
3. Indenter and objective shifting method: automatic shifting
4. Test Force Application Method: automatic loading and unloading
5. Amplification of the Microscope: 400× (for the measurement), 100× (for the observation)
6. Dwell time of the testing force: 0~60s (5 seconds as a unit)
7. Min. graduation value of the testing drum wheel: 0.0625μm
8. Max. height of the specimen: 100 mm
9. Distance between the center point of the indenter and the exterior panel: 98mm
10. Weight of the main body: 30kg
11. Power source: AC220V/50~60Hz
12. Overall dimension (L x W x H): (480×305×545)mm

Accessories (The Packing List)
1.The main instrument (including a micro Vickers Indenter, a 40¨w Objective and a 10¨wObjective )
2.The Accessories Kit


Weights 6 PCS
Weight Axis 1 PC
Cross Testing Table 1 PC
Thin Specimen Testing Table 1 PC
Fork-Shaped Testing Table 1 PC
Fine Wire Testing Table 1 PC
Screw Drivers 2 PCS
Horizontal Regulating Screws 4 PCS
Level 1 PC
Power Cord 1 PC
Eyepiece 1 PC
Vickers Hardness Blocks 2 PCS (one middle-sized HV0.2 block and one high-sized HV1 block)
Prepare Fuses (1A) 2 PCS
The USAGE Instruction Manual 1 PC

3. Special Accessories
    3.1 Knoop Indenter
    3.2 Hardness Test Blocks
    3.3 Metallurgical Specimen Cutter
    3.4 Metallurgical Specimen Mounting Press
    3.5 Metallurgical Specimen Polisher
    3.6 CCD Image Measuring System
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