HT-1208 Hardness Tester
The HT-1208 hardness tester offers one-button conversion among 5 hardness scales and measures materials such as steel and cast steel, stainless steel, gray cast steel, and alloy tool steel. A sensitive sensor provides accurate, rapid measurement. Omnidirectional impact allows easy measurement at different angles. Test data can be saved and viewed at any time.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Display [Parameter Image] | 2.4" TFT color display |
| Screen resolution | 320×240 |
| Impact device | D type |
| Measurement Range [PDF] | 170~960 HL |
| Error [PDF; standard Leeb hardness block 760±30HL] | ±6 HL |
| Repeatability [PDF; standard Leeb hardness block 760±30HL] | ±6 HL |
| Error [PDF; standard Leeb hardness block 530±40 (no unit stated in this cell of the original table)] | ±10 HL |
| Repeatability [PDF; standard Leeb hardness block 530±40 (no unit stated in this cell of the original table)] | ±10 HL |
| Hardness scales [PDF; not all materials can be converted to all scales] | Leeb HL, Rockwell A HRA, Rockwell B HRB, Rockwell C HRC, Brinell HB, Vickers HV, Shore HSD |
| Measured materials [As originally printed in the PDF technical specifications] | Steel and cast steel, alloy tool steel, stainless steel, gray cast steel, nodular cast steel, cast aluminum alloy, copper-zinc alloy, copper-tin alloy, pure copper, forged steel |
| Measurement direction | Vertically downward, obliquely downward, horizontal, obliquely upward, vertically upward |
| Language | Chinese/English |
| Automatic sleep time [No button or measurement operation; brightness returns to the minimum] | 2 minutes |
| Automatic shutdown time [No button or measurement operation] | 3 minutes |
| Storage | 40 data groups |
| Number of averages [PDF menu settings] | 03~20 |
| Brightness Adjustment [PDF menu settings] | 01~10 |
| Power Supply | 3×1.5V AA dry-cell batteries |
| Operating Temperature [PDF: no strong vibration, no strong magnetic fields, no corrosive media 'ji' heavy dust (connector as originally printed)] | 0~45 ℃ |
| Relative Humidity [PDF] | ≤90 %RH |
| Relative Humidity [Parameter Image] | <90 %RH |
| Storage Temperature | -10~50℃（14~122°F） |
| Storage Humidity [Noncondensing; Parameter Image] | 0~90 %RH |
| Dimensions [Main unit; parameter image] | 152 mm × 75 mm × 32 mm |
| Weight [Main unit; parameter image] | 135 g |
| Specimen surface temperature [PDF specimen requirements] | <120 ℃ |
| Specimen magnetism [PDF specimen requirements] | <30 gauss |
| Distance between indentations [Any two indentations] | ≥3 mm |
| Indentation distance from specimen edge | ≥5 mm |
| Specimen radius of curvature [A small support ring or specially shaped support ring should be used in this case] | <30 mm |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: steel and cast steel] | 127~651 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: steel and cast steel] | 83~976 HV |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: steel and cast steel] | 32.2~99.5 HSD |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: steel and cast steel] | 59.1~85.3 HRA |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: steel and cast steel] | 59.6~99.6 HRB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: steel and cast steel] | 17.9~68.5 HRC |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: alloy tool steel] | 80~898 HV |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: alloy tool steel] | 20.4~67.1 HRC |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: stainless steel] | 46.5~101.7 HRB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: stainless steel] | 85~655 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: stainless steel] | 85~802 HV |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: gray cast iron] | 93~334 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: ductile cast iron] | 131~387 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: cast aluminum alloy] | 19~164 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: cast aluminum alloy] | 23.8~84.6 HRB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: copper-zinc alloy] | 13.5~95.3 HRB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: copper-zinc alloy] | 40~173 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: copper-tin alloy] | 60~290 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: pure copper] | 45~315 HB |
| Applicable Hardness Range [PDF printed page 12; type D probe; material: forged steel] | 143~650 HB |
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