PHT-350 Leeb Hardness Tester( colour screen)
The PHT-350 Portable Leeb Hardness Tester is an innovative hardness measuring instrument, ideal for a wide range of metal materials including steel, cast iron, stainless steel and copper alloys, combining portability with precision. It features a color screen for direct hardness value display and printing, and has a built-in large-capacity memory for permanent data storage. Key specifications: Measuring range covers multiple hardness scales such as HLD (170-960) and HL (80-940), continuous working time is approximately 200 hours, and dimensions are 210×85×45 mm.
Product Details
Main application:
It is suitable for Steel and cast steel, alloy steel, stainless steel, gray cast iron, nodular cast iron, cast aluminum alloy, copper zinc alloy (brass), copper alloy (bronze), tin pure copper, forging steel etc.
Feature:
the PHT-350 hardness tester is an innovative improvement about hardness measurement mechanism and circuit performance based on leeb hardness measuring instrument product. Portable, flexible replacement and suitable for the job site, field operations
- Color screen, hardness scale dual display and optional.
- Add function - custom material
- Built-in high speed thermal printer, support immediately printing
function. It can save data permanently.
- Support probe hot-plugging.
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Technical specifications:
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Measuring range |
HLD (170-960), HB (19-683), HV (80-1042), HS (30.6-110), HRA(59.1-88), HRB (13.5-101.7), HRC (17.9-69.5) |
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Measuring direction |
360° |
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Indication Error |
±6HLD (D impact device) |
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Hardness Scale |
HRA , HRB, HRC, HV, HS, HL, HB |
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Display |
320*240mm Color LCD, two hardness scale dual-display. with Built-in Printer |
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Data memory |
600 groups max.(relative to impact times 32~1) |
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Printing paper |
width is (57.5±0.5)mm, diameter is 30mm |
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Battery pack |
7.4V Li-battery |
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Continuous working period |
about 200hours (With backlight off, no printing) |
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Communication interface |
USB2.0 |
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Dimensions |
210 x 85 x 45mm |
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Weight |
about 0.6kg pack weight: 5.2kg |
Standard accessories:
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No. |
Item |
Q'ty |
No. |
Item |
Q'ty |
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1 |
PHT350 Main body |
1 pc |
7 |
Paper for printing |
1pc |
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2 |
D type impact device |
1 pc |
8 |
Manual |
1pc |
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3 |
Standard test block |
1 pc |
9 |
Warranty card |
1 pc |
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4 |
Cleaning brush |
1 pc |
10 |
Data Pro software |
1 pc |
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5 |
Small supporting ring |
1 pc |
11 |
Communication cable |
1 pc |
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6 |
Battery charger |
1 pc |
12 |
Instrument box |
1 pc |
Impact probe assembly:
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Type of Impact Device |
DC(D)/DL |
C |
D+15 |
E |
G |
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Application |
DC type used to hole or inside face of cylinder, DL type used to elongated narrow slot or hole, D type for routine measurements. |
Suitable for measuring surface of the trench or concave. |
Suitable for measuring thin workpiece and harden surface. |
Suitable for heavy or rough castings and forgings. |
Suitable high hardness material. |
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Impacting energy |
11mJ |
2.7mJ |
11mJ |
11mJ |
90mJ |
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Mass of impact body |
5.5g/7.2g |
3.0g |
7.8g |
5.5g |
20.0g |
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Test tip hardness: |
1600HV |
1600HV |
1600HV |
5000HV |
1600HV |
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Dia. Test tip: |
3mm |
3mm |
3mm |
3mm |
5mm |
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Material of test tip: |
Tungsten carbide |
Tungsten carbide |
Tungsten carbide |
synthetic diamond |
Tungsten carbide |
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Impact device diameter: |
20mm |
20mm |
20mm |
20mm |
30mm |
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Impact device length: |
86(147)/75mm |
141mm |
162mm |
155mm |
254mm |
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Impact device weight: |
50g |
75g |
80g |
80g |
250g |
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Max. hardness of sample |
940HV |
1000HV |
940HV |
1200HV |
650HB |
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roughness of sample |
Ra 1.6μm |
Ra 0.4μm |
Ra 1.6μm |
Ra 1.6μm |
Ra 6.3μm |
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Min. weight of sample: |
>5kg |
>1.5kg |
>5kg |
>5kg |
>15kg |
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Measure directly with stand |
2～5kg |
0.5～1.5kg |
2～5kg |
2～5kg |
5～15kg |
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Need coupling tightly |
0.05～2kg |
0.02～0.5kg |
0.05～2kg |
0.05～2kg |
0.5～5kg |
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Min. thickness of sample |
5mm |
1mm |
5mm |
5mm |
10mm |
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layer thickness hardening: |
≥0.8mm |
≥0.2mm |
≥0.8mm |
≥0.8mm |
≥1.2mm |
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Indentation size: |
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Type of Impact Device |
DC(D)/DL |
C |
D+15 |
E |
G |
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Hardness 300HV |
Indentation diameter: |
0.54mm |
0.54mm |
0.38mm |
1.03mm |
0.54mm |
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Depth of indentation: |
24μm |
24μm |
12μm |
53μm |
24μm |
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Hardness 600HV |
Indentation diameter: |
0.54mm |
0.54mm |
0.32mm |
0.90mm |
0.54mm |
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Depth of indentation |
17μm |
17μm |
8μm |
41μm |
17μm |
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Hardness 800HV |
Indentation diameter: |
0.35mm |
0.35mm |
0.35mm |
-- |
0.35mm |
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Depth of indentation |
10μm |
10μm |
7μm |
-- |
10μm |
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