Description:
Technical specifications
1. The Initial Test Force: 98.07N; Tolerance: ± 2.0%
2. The Total Test Force: 588.4N, 980.7N, 1471N; Tolerance: 2.0%
3. The Indenter Specifications:
3.1 The diameter 3.175mm ball indenter
3.2 The diameter 6.35mm ball indenter
3.3 The diameter 12.7mm ball indenter
4. The Power Source: AC220V±5%, 50-60 HZ
5. Time-delayed control: 2-60 seconds, adjustable
6. The Max. Height of the Specimen Tested: 175 mm
7. The Distance from the Ball Indenter Center to the Instrument Body: 165mm.
8. The Overall Dimension (Length×Width ×Height): 520×215×700 (mm)
9. The Net Weight of the Tester: 78Kg (Approx)
10. The tolerances of displaying value and the repetition of the plastics Rockwell hardness tester
Scales
|
Hardness Range of Standard Hardness Blocks
|
Allowed Tolerance of Displaying Value
|
Max. Repetition of Displaying Value
|
HRE
|
70~94HRE
|
±2.0HRE
|
2.5HRE
|
HRL
|
100~120HRL
|
±1.2HRL
|
1.5HRL
|
HRM
|
85~110HRM
|
±1.5HRM
|
2.0HRM
|
HRR
|
114~125HRR
|
±1.2HRR
|
1.5HRR
|
11. The Scales, Indenters, Test Force Values and Usage Ranges of the Plastics Rockwell Hardness Test
Scales
|
Ball Indenters
|
Initial Test Force (N)
|
Total Test Force (N)
|
Usage Ranges
|
HRE
|
diameter 3.175mm
(1/8 inch)
|
98.07
|
980.7
|
Hard plastics, hard rubbers, aluminum, tin, copper, mild steel, synthetic resin and friction materials
|
HRL
|
diameter 6.35mm
(1/4 inch)
|
588.4
|
HRM
|
diameter 6.35mm
(1/4 inch)
|
980.7
|
HRR
|
diameter 12.7mm
(1/2 inch)
|
588.4
|
Accessories (The Packing List)
No.
|
Description of Goods
|
Quantity
|
1
|
diameter 3.175 mm Ball Indenter
|
1 PC
|
2
|
diameter 6.35 mm Ball Indenter
|
1 PC
|
3
|
diameter 12.7 mm Ball Indenter
|
1 PC
|
4
|
diameter 3.175, 6.35, 12.7 (mm) Steel Ball
|
Each 2 PCS
|
5
|
Large Test Table
|
1 PC
|
6
|
Middle Test Table
|
1 PC
|
7
|
V-shaped Test Table
|
1 PC
|
|
Standard Rockwell Hardness Block
|
|
8
|
HRE, HRL, HRM, HRR
|
TOTAL 4 PCS
|
9
|
Fuse 2A
|
2 PCS
|
10
|
Power Cable
|
1 PC
|
11
|
RS232 Cable
|
1 PC
|
12
|
Weight A,B,C
|
TOTAL 3 PCS
|
13
|
Level
|
1 PC
|
14
|
Horizontal Regulating Screw
|
4 PCS
|
15
|
Screwdriver
|
1 PC
|
16
|
Spanner
|
1 PC
|
17
|
Nylon Anti-dust Bag
|
1 PC
|
18
|
The Product Quality Certificate
|
1 PC
|
19
|
Usage Instruction Manual
|
1 PC
|