Polygon Instrument Limited

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DoHR45B Motorise Superficial Rockwell Hardness Tester

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Electrical testing process control, high efficiency.
Digital direct reading, human error is minimized.
Multiple scales configuration is optional.
A variety of unique automatic functions make the operation more convenient and accurate.
Data processing functions (Statistical, Conversion, Storage, Printing and Uploads)
Conforms to GB/T230, ISO 6508 and ASTM E18 and other mainstream standard test.


Test Force Preliminary 29.42N (3Kgf)
Total 147.1N, 294.2N, 441.3N(15,30,45 kgf)
Indenter Diamond cone indenter, Ball indenter 1.5875mm
Indicator EHM150B-1 Digital Rockwell Indicator
Standards GB/T 230, ASTM E18, ISO 6508
Resolution 0.1 HR
Scales HRxT, HRxN, HRxW, HRxX, HRxY
Dwell 0~99 sec
Height of test piece(Max.) 255 mm
Depth of Throat 165 mm
Memory 1000 readings
Print & Upload Optional wireless printers, PC software free download
Dimensions 487 x 265 x 726mm
Net Weight ~ 78 kg


Main Unit
Test Block, Indenter, Anvil

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