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Portable Hardness Tester TH134
Portable Hardness Tester TH134
Material Hardness and Specifications
The document provides hardness values for steel and cast steel materials, with hardness ranges as follows: HLD (560~950), HB (81~646), HRB (37.0~99.9), HRC (20.6~68.2), HV (80~950), and HS (30.6~96.8).
Standard Impact Device and Hardness Scales
The device integrates multiple hardness scales including HLD, HB, HRC, HRB, HV, and HS. The measuring range corresponds to the materials listed above. Accuracy is ±12 HLD, with memory capable of storing 99 average readings. Output is via RS232 interface compatible with printers.
Device and Measurement Parameters
- Minimum surface roughness of workpiece: 1.6 Ra
- Diameter of impact device needle front section: 2.8 mm
- Length of DL7 device needle: 50 mm
- Maximum measurable workpiece hardness: 950 HLD
- Minimum radius of workpiece curvature (convex/concave): 10 mm
- Workpiece weight on stable support: 2 to 5 kg
- Minimum workpiece weight with compact coupling: 0.05 to 2 kg
- Minimum workpiece thickness when coupled: 5 mm
- Minimum thickness of hardened layer: 0.8 mm
- Indentation depth and impact device data referenced on page 8
Operational Specifications
- Continuous working time: 8 hours
- Power source: Rechargeable NiMH battery
- Operating temperature range: 0 to 40 °C
- Overall device dimensions: 210 × 24 × 55 mm
- Device weight: 200 g
Hardness Tester TH134
The TH134 model is referenced with measuring range and technical specifications, though detailed specs are not fully provided in the excerpt.
Standard Delivery and Optional Accessories
Standard delivery includes the hardness tester and basic accessories. Optional accessories include support rings (details on the next page) and a printer model TA220 with cable for data output.
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