Convertible Hardness Tester (Automatic Alarm, Batch Testing)




GAOTek Hardness Tester measures hardness of various metals with multi-standards and with auto alarm.

Key Features

  • Long-battery life of more than 200 hours (with backlight off)
  • Light weight and small size
  • RS232 communication interface
  • Large LCD
  • Automatic shutdown/sleep feature

Technical Specifications

Measuring Range (170-960) HLD,(19-651)HB,(13-100)HRB, (17-68.5)HRC,(59-85)HRA,(80-976)HV, (30~110)HS
Measuring direction 360°
Measuring materials Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, nodular cast iron, cast aluminum alloy, copper zinc alloys (brass), an alloy of copper and tin, copper (bronze), forged steel
Hardness Scale HL,HB,HRB,HRC,HRA,HV,HS
Memory 500 group (32 every group)
Work voltage 3V (2 AA alkaline batteries)
Interface port RS232
Dimensions 4.92*2.79*1.06 inch  (125mm*71mm*27mm)
Weight 0.66 lbs. (0.3Kg)
Continuous working period 200 hours (with backlight off)


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