DL Probe for Leeb Hardness Tester - 4.2mm Tip Diameter, 50mm Length for Confined Space Testing
Price:
Negotiation
MOQ:
1
Delivery Time:
3-5 work days
Brand:
TMTeck
Product Description
DL Probe for Leeb Hardness Tester
Compact Design for Confined Spaces
The DL probe features a slender 4.2mm diameter tip and 50mm length, specifically engineered for hardness testing in extremely confined spaces, narrow grooves, and deep holes where standard probes cannot access.
Key Specifications
- Tip diameter: 4.2mm
- Probe length: 50mm
- Impact device diameter: 20mm
- Impact device weight: 50g
- Impacting energy: 11mJ
- Mass of impact body: 5.5g/7.2g
Material Compatibility & Hardness Ranges
| Material | Method | Hardness Range |
|---|---|---|
| Steel and cast steel | HRC | 22.4-70.7 |
| Steel and cast steel | HB | 81-646 |
| Steel and cast steel | HV | 80-950 |
| Cold work tool steel | HRC | 22.6-70.2 |
| Stainless steel | HB | 85-655 |
| Grey cast iron | HB | 92-326 |
| Cast aluminium alloys | HRB | 23.8-85.5 |
Impact Device Comparison
| Type | Application | Max Hardness | Min Sample Weight |
|---|---|---|---|
| DL | Slender narrow groove or hole | 940HV | 5kg |
| D+15 | Groove or reentrant surface | 940HV | 5kg |
| C | Small, light, thin parts | 1000HV | 1.5kg |
| G | Large, thick, heavy steel | 650HB | 15kg |
| E | Super high hardness material | 1200HV | 5kg |
Testing Requirements
Surface Conditions
- Mean roughness value (Ra): 1.6μm
- Minimum sample thickness: 5mm
- Minimum layer thickness for surface hardening: ≥0.8mm
Sample Weight Requirements
- Direct measurement: >5kg
- With support: 2-5kg
- With coupling: 0.05-2kg
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Get in Touch
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Company
TMTeck Instrument Co., Ltd
Location
#613A, LinJI Industrial Building ,No.53 of Shun Ren Road ,Lin He Industrial park, ShunYi District ,101300 Beijing ,China
Contact Person
WEI