LH104G Leeb Hardness Tester
Large OLED high contrast display
Hardness scales: HL, HB, HRB
Large on-board memory (2000+ measurement sets)
Bluetooth connectivity for phone or printer
High impact-energy design for large castings and rough surfaces
Product description
The LH104G is a pen-type (integrated) Leeb hardness tester with a high impact-energy G-type impact device, designed for fast, non-destructive hardness testing of large castings and rough or coarse-grained surfaces. It measures 3 hardness scales directly on its OLED display and connects via Bluetooth to a mobile phone or portable printer for real-time data sharing and report printing, storing several thousand measurement sets for later review.
Technical specification:
- Hardness scales: HL, HB, HRB
- Impact device: G-type (built-in, large castings/rough surfaces)
- Measuring range: HLG 200–750, HRB 47.7–99.9, HB 90–646
- Measuring direction: 360° (vertical down, oblique down, horizontal, oblique up, vertical up)
- Applicable materials: steel & cast steel, grey cast iron, ductile iron, cast aluminum alloy
- Display: OLED 128×64 dot matrix
- Data storage: 373–2688 sets (32–1 impacts per set)
- Interface: USB, Bluetooth (connects to phone or portable printer)
- Power supply: 5VDC, 220VAC (charging)
- Charging time: 4–5 hours
- Battery: 3.7V, 300mAh Li-ion
- Continuous working time: ~30 hours
- Operating temperature: 0–40°C
- Storage temperature: -25–70°C
- Dimensions: 253×37×36mm
- Weight: ~258g
- Standard block reference: HLG 590±40 / 500±40, indication error ±10 HLG, repeatability 10 HLG
Included accessories:
- Main unit: 1pc
- G-type impact device (built-in)
- Support ring: 1pc
- Standard test block: 1pc
- Charger: 1pc
- Data cable: 1pc
- Manual: 1pc
Optional accessories:
- D impact device (general-purpose applications)
- DL impact device (deep hole/blind hole applications)
- C impact device (small/thin workpieces)
- Additional support rings
- Additional test blocks (high/medium/low HLD value)
- Portable Bluetooth printer







