Dial Display Hra Hrb HRC Manual Rockwell Hardness Tester

Type: Rockwell Hardness Tester
Measuring Range: Hra, Hrb, HRC
Application: Metal
Standard: ISO, ASTM, GB/T, BSEN
Warranty: 1 Year
Mobility: Desktop
Customization:

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Basic Info.

Model NO.
R-150M
Calibrating Method
Standard Hardness Test Blocks
Rated Voltage
No Need Electric Power
Support Language
English or Chinese
Customized
Customized
Display
Dial
Resolution
0.5hr
Loading - Dwell - Unloading
by Manual
Product Name
Dial Display Hra Hrb HRC Manual Rockwell Hardness
Transport Package
Plywood Box
Specification
466x238x630mm
Trademark
EBP
Origin
Zhejiang, China
HS Code
9024102000
Production Capacity
120 Sets Per Month

Product Description

Dial Display HRA HRB HRC Manual Rockwell Hardness Tester

Features:
1. The dial will display hardness value directly, indicator responses sensitively, show the hardness value accurately, the test value is more accurate than national standard;
2. One-time casted molding shell, stable structure and it is not easy to be out of shape. It can work under harsh environment; the shell coating adopted car paint technology with white color. it has strong scratch resistance capability and still look bright as new after use many years;

Working principle of Rockwell hardness test:
The Rockwell scale is a hardness scale based on indentation hardness of a material. The Rockwell test determines the hardness by measuring the depth of penetration of an indenter under a large load compared to the penetration made by a preload. There are different scales, denoted by a single letter, that use different loads or indenters. The result is a dimensionless number noted as HRA, where A is the scale letter.

Main application:
Hardened steel, quenched and tempered steel, annealing steel, bearing steel, strip steel, hardened steel sheet, hard alloy, etc.;

Technical parameters:
Model R-150M
Rockwell scale HRA,HRB,HRC,HRD,HRE,HRF,HRG,HRH, HRK,HRL,HRM,HRR
Conversion scale Check Conversion table
Preliminary test force 10Kg(98N)
Total test force 60Kg (588N), 100Kg (980N), 150Kg (1471N)
Tolerance range:±1.0%
Resolution 0.5HR
Hardness value range HRA:20~88  HRB:20~100  HRC:20~70
Hardness data read Dial
Loading method Manual
Dwell time Manual
Test space Maximum height :170mm
Maximum throat depth:135mm
Size / weight Instrument size: 466*238*630mm(L×W×H)/Net Weight: 65kg
Executive standard GB/T230.2 , BSEN 6508, ASTM E18 , ISO 6508 , JJG112

Standard Accessory:
Standard accessories Rockwell hardness tester host: 1 set
Diamond Rockwell indenter:1 pc
1.588mm diameter hard alloy steel ball indenter :1 pc,
Standard hardness block: 3 pcs
Large testing table: 1 pc
Medium testing table: 1 pc
V-shaped testing table: 1 pc, 
1.588 mm diameter steel ball :5 pcs
Dust-proof cover: 1 pc,   Accessory case :1 pc
Operating instruction :1pc   Quality certificate :1 pc
Hardness conversion table:1pc   Warranty card :1 pc.
Optional accessories Block, Indenter

Hardness scale, force, Indenter relation:
Scale Indenter Preliminary test force (N) Total test force (N) Applications
A Diamond indenter
coning angle 120°0.2mm radius  of top sphere  





98
588 Horniness alloy, cementite steel
D     980 Thin steel, quenched case
C     1471 Quenched steel, thermal refined steel, cast steel
F Diameter of steel ball
1.588mm
(1/16 inch)
  588 Anneal copper alloy, thin soft steel
B     980 Soft steel, aluminum alloy, copper alloy, casting
G     1471 Pearliest iron, copper, nickel, zinc, nickel alloy
H Diameter of steel ball
3.175mm
(1/8 inch)
  588  
E     980  
K     1471  
Dial Display Hra Hrb HRC Manual Rockwell Hardness Tester
Dial Display Hra Hrb HRC Manual Rockwell Hardness Tester

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