Berg Rental - Dynamic D Portable Hardness Tester (R-Dynamic-D)

Test method
Rebound hardness testing according to ASTM standard A956; dynamic measuring method with quotient from rebound phase (Rp) and impact phase (Ip) speed with output of Leeb's hardness HL = 1000 Rp/Ip

Measuring range
Depending on material groups; e.g. low-alloy steel: 150-1000 HL; 75-1000 HV; 75-700 HB; 35-100 HRB; 20-70 HRC; 30-100 HS; 250-2200 N/mm² 9 fixed material groups stored, 5 material groups user-programmable

Display
4-digit LCD with switchable backlight

Resolution
1 HL; 1 HB; 1 HV; 5 N/mm²; user selectable 0.1; 0.5; 1 HS / HRC / HRB

Power
Battery operation (2 x 1.5V AA batteries) AlMn / NiCd / NiMH

Operating time
AlMn / NiMH: > 30 hours, NiCd: > 24 hours without backlight

Permissible temperatures
In operation: -15°C to 50°C (5°F to 122°F), In storage: -40°C to 70°C (-40°F to 158°F)

Weight
Approx. 300 g (approx. 0.7 lbs)

Dimensions
Approx. 160 mm x 70 mm x 45 mm (w x h x d); (6.3" x 2.8" x 1.8 in)