TH725 is the most powerful digital hardness testing machine. It provides reliable Brinell, Rockwell, Vickers testing methods with different testing forces and indenters. Large LCD display. Conversion scales of different kinds of hardness. Equipped with RS232 interface and printer.
Features
● Large LCD display shows stable and accurate results
● Digital versatile hardness tester for Brinell, Rockwell, Vickers testing
● Conversion among different hardness scales
● Selection of dwell time and setting of time and date
● Storage and printing function
● RS232 interface for optional functions
Rockwell Hardness
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Specifications of rockwell hardness |
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Testing force(N) |
Initial testing force |
98.07(10kg) |
Tolerance ±2.0% |
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total testing force |
588.4(60kg) |
Tolerance ±1.0% |
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980.7(100kg) |
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1471(150kg) |
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Indenter |
Diamond cone indenter |
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Ф1.5875mm ball indenter |
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Scales |
HRA |
HRB |
HRC |
HRD |
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Max height of samples |
175mm |
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Brinell Hardness
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The technical specification of brinell hardness tester |
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Testing force |
294.2N(30kg) |
Tolerance ±1.0% |
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306.5N(31.25kg) |
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612.9N(62.5kg) |
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980.7N(100kg) |
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1839N(187.5kg) |
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Indenter |
φ2.5mm、φ5mmBall Indenter |
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Scales |
HBW1/30 |
HBW2.5/31.25 |
HBW2.5/62.5 |
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HBW5/62.5 |
HBW10/100 |
HBW2.5/187.5 |
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Eyepiece magnification |
15× |
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Objective |
2.5×(resolution 0.5μm) |
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5×(resolution 0.25μm) |
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Max height of sample |
For 2.5×: max height is 95mm |
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Vickers Hardness
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Technical specifications of vickers hardness |
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Test force |
294.2N(30kg) |
Tolerance ±1.0% |
|
980.7N(100kg) |
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Indenter |
Diamond vickers indenter |
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Scale |
HV30 |
HV100 |
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Eyepiece magnification |
15× |
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Objective magnification |
5×(Resolution 0.25μm) |
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Max. height of specimen |
115mm |
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Technical Specifications
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The power source and the voltage |
AC220V/110V, 50/60 Hz |
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Time-delayed control |
0-60 seconds, adjustable |
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The distance from the Indenter center |
165mm |
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Overall dimension (length×width×height) |
551×260×800 mm |
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The net weight of the tester |
80kg (Approx) |
Accessories(Packing List)
|
Accessories kit of main body |
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Accessories kit of microscope |
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No. |
Description of goods |
Quantity |
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No. |
Description of goods |
Quantity |
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1 |
Diamond cone rockwell indenter |
1 |
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1 |
Digital eyepiece |
1 |
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2 |
φ1.5875mm steel ball indenter |
1 |
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2 |
Seat of microscope |
in harness |
1 |
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3 |
Large testing table |
1 |
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3 |
Outside light |
1 |
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4 |
Medium testing table |
1 |
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4 |
Inside light |
1 |
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5 |
“V” shaped testing table |
1 |
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5 |
2.5× objective |
1 |
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6 |
0、1、2、3、4 weight |
Total 5 |
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6 |
5× objective |
1 |
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7 |
Standard hardness block HRC ( high, lower) |
Total 2 |
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7 |
Slipped testing table |
1 |
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8 |
Standard hardness block HRB |
1 |
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8 |
Diamond vickers indenter |
1 |
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9 |
Level bolt |
4 |
|
9 |
φ2.5mm，φ5mm ball indenter |
2 |
|
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10 |
spanner |
1 |
|
10 |
Standard vickers hardness block(HV30) |
1 |
|
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11 |
Power cable |
1 |
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11 |
Standard brinell hardness block（HBW/2.5/187.5） |
1 |
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12 |
Instruction manual |
1 |
|
12 |
Gradienter |
1 |
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13 |
Quality certificate |
1 |
|
13 |
Fuse 2A |
2 |
|
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14 |
Plastic Anti-dust Bag |
1 |
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