Graigar JH300 Portable Digital Hardness Tester Gauge Meter JH-300 with Print Instruments Graigar 01% Hz allows calibration with

01% Hz allows calibration with A

5 digits LCD with EL backlight

- 1 FIXLOAD mode

Packing with Aluminum alloy box and English manual

controller can send short messages via SMS automatically to max

Graigar JH300 Portable Digital Hardness Tester Gauge Meter JH-300 with Print Instruments Graigar 01% Hz allows calibration withBrand: Graigar Color: Green&black Features: JH300 Portable Digital Hardness Tester Gauge Meter can measure the hardness of all metallic materials. Direct display of hardness scales HRB, HRC, HRA, HV, HB, HS, HL and three types of strength values immediately. Support "forged steel (Steel)" material, when using the D DC impact device test "forged" sample, can read HB value directly, without the need for manual checking table. Large screen(128*64 dot