Details of KEPLER Metal Hardness Tester (Portable Leeb Hardness Testers) Model KH-660
The KEPLER Metal Hardness Tester (Portable Leeb Hardness Testers) model KH-660 offers the ability to select measurement units covering HL, HB, HRB, HRC, HRA, HV, HS which are displayed on a clear TFT LCD screen with a resolution of 320x240. The display remains readable even in direct sunlight. It also features functions for converting Leeb hardness values from HLD to HLC, HLG, HLDL and HLD+15. With a measurement range of 170~960 HLD, the device includes both Single-point and Multi-point calibration functions to ensure accurate calibrations as needed. It can store up to 500 groups (each group containing 32 values).
It supports USB data transfer for use with Data Pro software, and also features Bluetooth wireless connectivity for printing via a wireless printer. The device measures 120x67x31 mm in size and weighs 345 grams, making it easy to carry around. It is suitable for all weather conditions due to its IP65 protection standard.
Technical Data of KEPLER Metal Hardness Tester (Portable Leeb Hardness Testers) Model KH-660
Measuring range 170~960HLD
Impact direction 360° Auto direction
Error / Repeatability ±6HLD / 6HLD
Material Steel and cast steel, Cold work tool steel, Stainless steel, Grey cast iron, Nodular cast iron, Cast aluminum
Hardness Scale HL, HB, HRB, HRC, HRA, HV, HS
Impact energy / Weight 11mJ / 5.5g / 7.2g
Impact ball hardness 1600HV
Impact ball diameter / Material 3mm / Tungsten carbide
Sample surface roughness 1.6um
Minimum depth of hardness layer ≥0.8mm
Storage / PC software It can store 500 groups (impact times 32~1) / Have
Calibration calibration and multi-point calibration function
Power supply Two AA batteries / Standby period : about 300 hours (with default brightness)
Communication port Bluetooth / USB1.1
Shell material sealed aluminum-magnesium alloy metal shell
Included Accessories Main unit, D type impact device, standard hardness block, Datapro software, USB communication cable, Nylon brush, Small support ring, AA size Alkaline battery, Instrument case, Certificate, Instruction manual
Optional Accessories Other Types Impact Device : (C, DC, G, D+15, DL), All kinds of special support ring, Bluetooth thermal high-speed printer