Leeb Hardness Tester Lpad H300 Digital enables fast, easy hardness testing of diverse metals. It features real-time hardness value display, free switching between hardness scales, a TFT HD display and touch keyboard for simple menu operation. With integrated WiFi transmission & USB storage for easy data saving, this powerful, user-friendly tool is a must-have for non-destructive testing (NDT).
Testing direction:Highly accurate in any impact direction (360 degree)
Testing Range:(170-960)HLD,(17.9-69.5)HRC,(19-683)HB,(80-1042)HV,(30.6-102.6)HS, (59.1-88)HRA, (13.5-101.7)HRB
Probe:Standard D-type probe, with the option to replace probes of different models
Hardness Standards:HL、HV、HRA、HRC、HRB、HB、HV、HS
Accuracy:HLD:±0.5% (800HLD)
Repeatability Value:HLD:0.8% (800HLD)
Work temperature:-30 ℃-60 ℃
Humidity:90% max
USB storage:Save data via USB connection,no printer
Data transmission: Wi-Fi real-time
Language:English/Support customized languages
Applicable 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)
Note:All materials thickness shall not below 5mm
Common material hardness value
Materials | HL | HRA | HRB | HRC | HB | HV | HS |
Steel and cast steel | 300-900 | 59.1-85.8 | 59.6-99.6 | 17.9-68.5 | 127-651 | 83-976 | 32.2-99.5 |
Forged | 300-900 | 143-650 | |||||
Alloy tool steel | 300-840 | 20.4-67.1 | 80-898 | ||||
Stainless steel | 300-800 | 46.5-101.7 | 85-655 | 85-802 | |||
Grey cast iron | 360-650 | 93-334 | |||||
Ductile | 400-660 | 131-387 | |||||
Cast aluminum | 174-560 | 23.8-84.6 | 19-164 | ||||
Copper-zinc alloys (brass) | 200-550 | 13.5-95.3 | 40-173 | ||||
Copper-tin alloy | 300-700 | 60-290 | |||||
Copper | 200-690 | 45-315 |