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This digital Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Micro computer controlled Touch Screen with USB output to flash drive. Utilizing the guidelines of ASTM E-18, the 900-415 digital Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter. Capable of testing in all of the regular Rockwell hardness scales.
Direct Loading Method With Load-Cell Instead Of Dead Weight System. High Speed Test Cycle and Extremely Accurate Loading Control
Minor Load | 10 Kgf |
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Major Load | 60 Kgf, 100 Kgf, 150 KGF |
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 |
Optional Accessories for the following machines:
Model No’s: 900-415, 900-420 and 900-440
Special long shank ball indenters
Extra large 9.84″ diameter flat anvil
Part No. 900415-18 1/8″ Extended Shank Ball Indenter |
Part No. 900331-ST1 1″ Indenter Extension |
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Part No. 900415-14 1/4″ Extended Shank Ball Indenter |
Part No. 900415-1010 9.84″ Extra Large Anvil |
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Part No. 900415-12 1/2″ Extended Shank Ball Indenter |
Part No | Description |
900415-18 | 1/8″ Carbide Ball Indenter |
900415-14 | 1/4″ Carbide Ball Indenter |
900415-12 | 1/2″ Carbide Ball Indenter |
900415-1010 | 9.84″ Flat Round Anvil |
900331-ST1 | 1″ Indenter Extension |
Options: • NIST/ASTM certified test blocks, penetrators and kits are available. Please reference Hardness Test Blocks and Accessories
PLEASE CONTACT US FOR DETAILS.
Scale | Indenter | Initial Test Force | Total Test Force | Application Scope |
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A | Diamond | 98.07(N)
10kg |
588.4(N)
60kg |
hard alloy, carbide, surface quenched steel, etc. |
D | 980.7(N)
100kg |
thin steel sheet, surface quenched steel, etc. | ||
C | 1471(N)
150kg |
quenched steel, tempered steel, hard cast iron, etc. | ||
F | 1/16” Carbide Ball | 588.4(N)
60kg |
cast iron, aluminum, magnesium alloy, bearing alloy, etc. | |
B | 980.7(N)
100kg |
mild steel, copper alloy, annealed steel, etc. | ||
G | 1471(N)
150kg |
phosphor bronze, beryllium copper, malleable iron, etc. | ||
H | 1/8” Carbide Ball | 588.4(N)
60kg |
aluminum, zinc, lead, etc. | |
E | 980.7(N)
100kg |
bearing alloy, tin, hard plastics, etc. | ||
K | 1471(N)
150kg |
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L | 1/4” Carbide Ball | 588.4(N)
60kg |
hard plastic, hard rubber, aluminum, tin, copper, mild steel,
synthetic resin and friction materials, etc |
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M | 980.7(N)
100kg |
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R | ½” Carbide Ball | 588.4(N)
150kg |