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Shenzhen Pride Instrument Inc.

Hardness Tester, Rockwell Hardness Tester, Digital Hardness Tester manufacturer / supplier in China, offering Rockwell/Superficial Rockwell Twin Hardness Tester, Shore a Shore D Durometers Hardness Tester, Measuring Tools Ultrasonic Thickness Gauge and so on.

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Rockwell/Superficial Rockwell Twin Hardness Tester

FOB Price: Get Latest Price
Min. Order: 1 pc
Port: Shenzhen, China
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram, Payoneer

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Basic Info
  • Model NO.: RH-100RS
  • Application: Metal
  • Mobility: Desktop
  • Rated Voltage: AC220V+- 5%; 50Hz ~ 60Hz
  • Customized: Non-Customized
  • Specification: 487 x265 x726mm
  • HS Code: 90241020
  • Type: Rockwell Hardness Tester
  • Warranty: 1 Year
  • Calibrating Method: Standard Hardness Test Blocks
  • Support Language: English
  • Trademark: Pride
  • Origin: Shenzhen, China
Product Description
Rockwell/Superficial Rockwell Twin Hardness Tester RH-100RS
1.Technical Data
Technical parameters of Rockwell hardness  
   Rockwell hardness test force
    ->  Preliminary test force (Tolerance: ± 2.0%): 98.07N (10kg)                
    ->  Total test force (Tolerance: ± 1.0%): 588.4N (60kg), 980.7N (100kg) 1471N (150kg)
indenter: Diamond cone indenter, Ф1.5875mm ball indenter
Metallic materials testing applications, the most commonly used scale is A, B, C.
In conformity with the above principles should be preferred.
rear sight IndenterTotal test foreReference symbol Effective range
CDiamond cone1471N(150 kgf )HRC20 ~ 70 HRC
ADiamond cone588 N(60 kgf )HRA20 ~ 88 HRA
B1.588  Ball981 N(100 kgf)HRB20 ~ 100 HRB
C scale indenter is 120 ° diamond cone total test force of 1471 Newtons 150 kg force,
    for the determination of heat-treated steel products
A scale indenter is 120 ° diamond cone total test force is 588.4 Newton 60 kg force, for the determination of hardness exceeding 70HRC metals such as tungsten carbide, etc. can also be used to determine the hard sheet material and a thin surface layer hardness.
B 1.588 scale indenter ball diameter of 980.7 total test force Newton 100 kg force, for the determination of soft or medium hardness of the metal and non-hardened steel products.
It should be based on the type of sample material or estimates select the appropriate hardness scale of hardness measurements. Beyond the corresponding measuring scale measurement range can cause reduced accuracy or damaged head.

2.Superficial Rockwell hardness test basis
     Superficial Rockwell hardness test principle and test methods and Rockwell hardness tester is  
basically the same, except that the test force loading and formulas.
Press table selection of test parameters when Rockwell test
rear sight   IndenterTotal test forceReference symbolEffective range
15N120°Diamond cone147 N   15 kgfHR15N70 ~ 94 HR15N
30N120°Diamond cone294 N   30 kgfHR30N42 ~ 86HR30N
45N120°Diamond cone441 N   45 kgfHR45N20 ~ 78HR45N
15T1.588  Ball147 N   15 kgfHR15T62 ~ 94HR15T
30T1.588  Ball294 N   30 kgfHR30T15 ~ 82HR30T
45T1.588  Ball441 N   45 kgfHR45T8 ~ 76HR45T
Rockwell hardness technical parameters
 Superficial Rockwell test force
->  Preliminary test force (Tolerance: ± 2.0%): 29.42N (3kg)  
->  Total test force (Tolerance: ± 1.0%): 147.1N (15kg), 294.2 (30kg), 441.3 (45kg)
Indenter: Diamond cone indenter, Ф1.5875mm ball indenter
Dual Rockwell hardness - General technical conditions
 Power supply voltage: AC220V ± 5%; 50HZ ~ 60Hz power outlet must use three-pin
socket,the ground terminal of the grounding protection must comply with the requirements
 Delay control is adjustable from 1 to 99 seconds
test piece was allowed maximum height: 255mm
  The maximum distance between the indenter center to machine wall: 165mm
  Dimensions (L × W × H) 487 × 265 × 726mm
  Weight Approx: 80kg
 Rockwell/Superficial Rockwell Twin Hardness Tester
             Dual Rockwell hardness dial
Red circle in the B scale hardness intermediate ring C / A to C and A scale hardness scale indication. Black outer surface Rockwell N / T hardness scale indication.
Rockwell and Superficial Rockwell hardness test force early handover        
Rockwell and Superficial Rockwell hardness test force early are 10Kgf and 3Kgf. By rotating the lower end of the spindle seat adjustment nut Preliminary test force to achieve switching. SR direction to rotate Rockwell Preliminary test force (3Kgf), the direction of rotation R Rockwell Preliminary test force (10Kgf).

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