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Help CenterDTEC DHR-45M Motorized Superficial Rockwell Hardness Tester,Superficial Scales of HRN,HRT,Semi-Automatic Loading,High Accuracy.
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DHR-45M Motorized Superficial Rockwell Hardness Tester is a kind of equipment semi-automatically tests the superficial rockwell hardness on metal materials through motorized loading and unloading,which is easy-operating,slight inprint left, and high accuracy.
Using scope:
Surface hardened steel, copper, aluminum alloy sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface heat treating and chemical treating materials, etc.
Rockwell hardness scale |
Hardness symbol
|
Indenter type |
Initial l force Fo (kg) |
main force F1 (kg) |
Total force F(KG) |
Constant |
Scope of application |
Examples of application |
A |
HRA |
diamond cone indenter |
10 |
50 |
60 |
100 |
20-88HRA |
Hard metal and hard alloy |
B |
HRB |
1.5875mmball indenter |
10 |
90 |
100 |
130 |
20-100HRB |
Nonferrous metal and soft metal |
C |
HRC |
diamond cone indenter |
10 |
140 |
150 |
100 |
20-70HRC |
heat treatment steel |
D |
HRD |
diamond cone indenter |
10 |
90 |
100 |
100 |
40-77HRD |
Surface hardened steel |
F |
HRF |
1.5875mmball indenter |
10 |
50 |
60 |
130 |
60-100HRF |
Nonferrous metal |
G |
HRG |
1.5875mmball indenter |
10 |
140 |
150 |
130 |
30-94HRG |
iron, copper nickel, zinc alloy |
- A scale: It is suitable for testing the metal more than 70HRC, such as tungsten carbide, hard alloy as well as the hard sheet material and the hardening material on the surface layer.
- B scale: It is suitable for testing non-ferrous metals and alloys, annealing steel or soft or medium hardness of materials.
- C scale: It is suitable for testing the carbon steel, tool steel and alloy steel.
- Slight inprinter left on specimens,avoid damage to the original sample;
- High testing efficiency,high accuracy,durable and reliable usage;
- Direct dial readings,with scales of HRA,HRB and HRC;
- Suitable for optional superficial Rockwell scales: HR15N, HR30N, HR45N, HR15T, HR30T, HR45T;
- Mechnical and manual testing mode,easy and simple operation,without electrical power supply;
- Quality certified with GB/T230.1/.2 Natioanal Standard,JJG112 verification regulation.
Model |
DHR-45M |
Superficial Rockwell Scale |
HR15N HR30N HR45N HR15T HR30T HR45T |
Initial Force |
3kgf(29.42N) |
Testing Force |
15kgf(147.1N) 30kgf(294.2N ) 45kgf(441.3N) |
Testing Range |
HR15N:70-94;HR30N:42-86;HR45N:20-77;
HR15T:67-93;HR30T:29-82;HR45T:10-72
|
Display Mode |
Dial |
Specimans Max.Height |
175mm |
Dwell Time |
0~60s |
Carried Standard |
GB/T230.1 GB/T230.2 JJG112 |
Specimans Max Depth |
160mm |
Dimension(m) |
67*46*86cm(L*W*H) |
Power Supply |
AC220V+5%,50~60Hz |
Packing Weight |
75kg |
Standard Packing List:
Items |
Qty |
Items |
Qty |
Diamond Rockwell Indentor |
1 |
Dia.1/16'' ball indentor |
1 |
Standard Superficial Rockwell Hardness Block |
4 |
Big,Medium and V shaped Testing Platform |
1 each |
Weight(A,B,C) |
1 each |
Dustproof Cover |
1 |
User’s Manual Book |
1 |
Quality Certificate |
1 |
Optional Accessories for Rockwell Hardness Tester:
Rockwell Hardness Block:
Rockwell Hardness Indenter(Good Quality Diamond):
Every set of our equipement will be carefully tested and double checked steps by steps before being packed and delivery,as we all know that among such fierce international competition,only 100% good quality and stable performance can finally attain the customer's trust.Hence,we will always put the equipment calibraton job in the first place while manufacturing.
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