Hardness Tester LS255 Portable Digital Aluminum Alloy Webster Hardness Tester,High Sensitivity

Specifications Hardness Scales:HWA,HRE,HRF,HRB,HV,HB Measurement Range:HWA(0-20); HRE(23.5-110); HRF(26.2-105.5); HRB(0-85.3); HV(49-155); HB(35.2-153) Resolution:0.1HWA Accuracy:±0.5HWA Repeatability:0.5HWA Thickness of measured material:0.6mm-8mm Inner diameter of the measured material:>10mm Display:128 * 64 dot matrix OLED Power supply:Rechargeable lithium battery 3.7V@400mAh, full charge for over 5000 continuous measurements Charging Port:USB(Type-C) Size:203*97*30 mm Weight:484g Supply Voltage:DC5V Working Temperature Range:-10~50,0~85%RH(no condensation) Storage Temperature Range:-10~60,0~85%RH(no condensation) Application:The portable metal webster hardness tester is suitable for aluminum tube, aluminum profile, aluminum sheet, stainless steel, mild steel and copper tube The portable metal webster hardness tester can meet the need for multiple measurements Complimentary cell phone APP, support mass storage, data grouping and sharing Rated voltage (appliances or chargers): AC110-240/50HZ;

• Accuracy up to ±0.5HWA, to pass the authoritative metrology institute inspection
• Avoid mistakes caused by naked eyes observation of dials
• No need to keep pressing the handle, to avoid unreading due to obscured display
• The portable metal webster hardness tester can convert to HWA, HV, HB, HRE,no need for manual checking the table
• Directly press to complete calibration, easier than traditional portable hardness tester for aluminum