... super thin parts.Specifications Measuring range: 5-3000HV Test force: 1.961, 2.942, 4.903, 9.807, 19 ... 42, 49.03N (0.2, 0.3, 0.5, 1, 2, 2.5, 3, 5kgf) Hardness scale: HV0.2 ... HV5 Measuring accuracy of micrometer: ±0.01μm Test force dwelling time: 0~99 seconds Optical system: Objective lens: ... block: 2 pcs. Micro-Vickers standardized block: 1 pc.Optional accessories RS232 software Knoop penetrator SP-5 ...