© 2016 by Proceq SA 19
8. Technical Specifications
8.1. General
Measuring range 150-950 HLD / 250-970 HLDL
Resolution 1 HLD / HLDL, 1 HV, 1 HB, 0.1 HRC, 0.1 HRB,
0.1 HS, 1 N/mm
2
Rm
Measuring accuracy ± 4 HLD / HLDL (0.5 % at 800 HLD / HLDL)
Impact direction automatic compensation
Impact body type D / DL
Impact energy 11.5 Nmm / 11.2 Nmm
Velocity of the impact body 2.1 m/s / 1.7m/s
Mass of the impact body 5.5 g (0.2 ounces) / 7.2 g (0.25 ounces)
Diameter of the ball indenter 3.0 mm (0.12 inches) / 2.8 mm (0.11 inches)
Material of the ball indenter tungsten carbide (approx. 1500 HV)
Maximum test hardness 955 HV
Dimensions 147.5 x 44 x 20 mm (5.71 x 1.75 x 0.79 inches)
Weight 142 g (5 ounces)
Housing scratch-proof, hard-coated zinc alloy
Display large high-contrast LCD
Integrated memory non-volatile, RAM 32 Kbytes
Internal data storage ~ 2,000 measured values
Interface USB 2.0 (bidirectional)
Battery type rechargeable Li ion
Charging current 100 mA
Battery operation period over 20,000 impacts
Operating temperature -10 to +60°C (14 to 140°F)
Humidity 90 % max
IP classification IP52
8.2. Standards and Guidelines applied
• ASTM A 956
• ASTM E 140
• ASTM A 370
• ISO 16859
• DIN 50156
• GB/T 17394 JB/T 9378
• ASME CRTD-91
• DGZfP Guideline MC 1
• VDI / VDE Guideline 2616 Paper 1
• Nordtest Technical Reports 424-1, 424-2, 424-3
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