Portable (Leeb) Hardness Tester . Support Hl, Hrc, Hrb, Hra, Hv,hb, Hs. Storage: 373~2688 Group (Shock Number 32~1)
Technical parameters: Hardness value: HL, HRC, HRB, HRA, HV, HB, HS. Storage: 373~2688 group (shock number 32~1). Measurement range: HLDïˆ170~960ï‰,HRAïˆ59~85ï‰,HRBïˆ13~100ï‰,HRCïˆ20~68ï‰,HBïˆ19~651ï‰,HVïˆ80~976ï‰,HSïˆ30~100ï‰. Intensity range: 374-2652 MPa. Measurement accuracy: ±6HLD(760±30HLD) indication error, 6HLD(760±30HLD) indication Repetition. Standard percussion device: D. Optional percussion device: DC/D+15/G/C/DL/E. The maximum hardness value of testing block: 1200HVE (E), 940 HV (D/DC/DL/D/D+15),1000HV(C), 650 HB(G). The minimum diameter of testing blocks (convex side/concave side): R min: 50mm (Special support ring, 10mm) The minimum weight of the testing block: For the 2-5kg testing block, it needs the stable support (DC (D) DL/D+15/E), for 0.5-1.5kg testing block, it needs the stable support (C), for 5-15kg, it needs stable support (G), for 0.05-2kg, it needs the couplant. The minimum thickness of the testing block: 5 mm (D/DC/DL/D+15/E), 1mm (percussion device C), 10 mm (percussion G) The minimum depth of hardening: 0.8mm . Charging power supply: 4.5V DC, 3 AA. .Batteries Continuous working time: 100h (no backlight). Operating temperature: 0~40„ƒ. Storage temperature: -25~70„ƒ. Size: 166 - 77 - 32 mm. Weight: 380g. Relative humidity: ‰¤90%