Features:
- Fully automated load/unload procedures provide precise and accurate readings
- Micro computer-controlled Touch Screen with USB output to flash drive
- The 900-440 digital Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter.
Provides testing in all the regular Rockwell and Superficial Rockwell hardness scales - Direct Loading Method with Load-Cell Instead of Dead Weight System
- High Speed Test Cycle and Extremely Accurate Loading Control
- Automatic conversions to HB, HV, Popular Rockwell Scales
- Upper/Lower Limit Settings
- Load Cell, Closed Loop
- Cast Iron Body
- Test resolution:01HR
- Operation temperature: 50° - 95°F (10ᵒC～35ᵒC)
- Ambient environment: clean, no vibration, no strong magnetic field, and no corrosive medium
- Power supply: single phase, AC, 110-220 with manual change, 50～60Hz, 4A
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Digital Rockwell Hardness Tester
Phase II hardness testers are renowned for their precision, design and ease of use. The 900-440 Twin Rockwell Superficial Digital Hardness Tester combines ease of use with reliable precision and accuracy. Although it is a precision instrument, the Phase II 900-440 stands up to almost any challenging environment without any loss of performance quality. This hardness tester can be used in laboratories, machine shops, heat treatment facilities, inspection labs, tool rooms, etc. Provided free of charge is lifetime technical support that comes standard with every Phase II 900-440 Superficial Digital Rockwell Hardness Tester. Use it with confidence, trusting the accuracy you can expect from a Phase II hardness tester.
Specifications:
|
Minor Load |
3kgf / 10 Kgf |
|
Major Load |
60 Kgf, 100 Kgf, 150 KGF, 15KGF, 30KGF, 45KGF |
|
Test Force Application |
Load Cell Closed Loop |
|
Test Force Control |
Motorized |
|
Results Display |
Hi Def LCD Digital Readout |
|
Resolution |
0.1HR |
|
Vertical Capacity |
8.0” |
|
Throat Depth |
7.8” |
|
Height |
22” |
|
Width |
8” |
|
Depth |
31” |
|
Weight |
175 lbs |
|
Scale Symbol |
Indentor Type |
Preliminary Force N (kgf) |
Total Force N (kgf) |
Typical Applications |
|
A |
Spheroconical Diamond |
98.07 (10) |
588.4 (60) |
Cemented carbides, thin steel, and shallow case-hardened steel |
|
B |
1/16” Carbide Ball |
98.07 (10) |
980.7 (100) |
Copper alloys, soft steels, aluminum alloys, malleable iron, etc. |
|
C |
Spheroconical Diamond |
98.07 (10) |
1471 (150) |
Steel, hard cast irons, pearlitic malleable iron, titanium, deep case-hardened steel, other harder than HRB 100 |
|
D |
Spheroconical Diamond |
98.07 (10) |
980.7 (100) |
Thin steel and medium case hardened steel, and pearlitic malleable iron |
|
E |
1/8” Carbide Ball |
98.07 (10) |
980.7 (100) |
Cast Iron, Aluminum and magnesium alloys, and bearing metals |
|
F |
1/16” Carbide Ball |
98.07 (10) |
588.4 (60) |
Annealed copper alloys and thin soft sheet metals |
|
G |
1/16” Carbide Ball |
98.07 (10) |
1471 (150) |
Malleable irons, copper-nickel-zinc and cupro-nickel alloys |
|
H |
1/8” Carbide Ball |
98.07 (10) |
588.4 (60) |
Aluminum, zinc and lead |
|
K |
1/8” Carbide Ball |
98.07 (10) |
1471 (150) |
|
