Technical specifications
1. The Power Source and the Voltage: AC220V±5%, 50-60 Hz
2.Time-delayed control: 0-60 seconds, adjustable
3.The Distance from the Indenter Center to the Instrument Body: 165mm
4.Overall Dimension (Length×Width×Height): 551×260×800 mm
5.The Net Weight of the Tester: 80kg (Approx)
Rockwell Hardness
6.Specifications of Rockwell Hardness
Universal Hardness Tester
Rockwell,Brinell&Vickers
Digital model
Direct reading (no need to check the conversion table)
Testing force（N）
Initial Testing Force
98.07（10kg）
Tolerance ±2.0%
Total testing force
588.4（60kg）
Tolerance ±1.0%
980.7（100kg）
1471（150kg）
Indenter
Diamond Cone Indenter
Ф1.5875mm Ball Indenter
Scales
HRA
HRB
HRC
HRD
Max height of samples
175mm
7.The Tolerance of Rockwell Hardness Display Value
Hardness Scale
HardnessRangeof The Standard
Testing Blocks
The Max. Tolerance of
Display Value
Repeatability
HRA
（20~≤75）HRA
±2HRA
≤0.02（100－H）or
0.8 Rockwell Unit
（＞75~≤88）HRA
±1.5HRA
HRB
（20~≤45）HRB
±4HRB
≤0.04（130－H）or
1.2 Rockwell Unit
（＞45~≤80）HRB
±3HRB
（＞80~≤100）HRB
±2HRB
HRC
（20~≤70）HRC
±1.5HRC
≤0.02（100－H）or
0.8 Rockwell Unit
a：H is average hardness value b：Confirm as higher value
- Universal Hardness Tester
Rockwell,Brinell&Vickers
Digital model
Direct reading (no need to check the conversion table)
Item
Quantity
Item
Quantity
Rockwell, Vickers Indenters
1
Diameter 1.5875、2.5、5mm Hard alloy ball indenter
Each 1
Measurement microscope
1
floodlight
Each 1
Hardness blocks
5
Large, Medium, “V” shaped Testing Table
Each 1
Power cable
1
Slipped Table
1
Objective
1
Manual
1
