UT347A Leeb Hardness Tester


UNI-T Brand

22,500.00 EGP 22500.0 EGP 22,500.00 EGP

22,500.00 EGP

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Internal Reference: AVO.UT347A.UNIT

UT347A Leeb Hardness Tester is accurate and portable in size. It supports thermal printing and is especially suitable for field hardness testing of large equipment such as roller turboshafts, pressure vessels, and turbine sets. Widely used in petrochemical, electric power, automobile, shipbuilding, machinery manufacturing, and other industries.


  • 6 kinds of hardness values (HL, HB, HRC, HRB, HV, HS) is a real-time measurement
  • One hardness tester can be equipped with 7 different impact devices
  • Automatic identification without calibration when replacing impact device
  • Statistical, multi-unit, line chart, histogram 4 measurement modes
  • Camera: 640×480 pixels (900 BMP format pictures could be stored)
  • Automatic alarm when the upper and lower limits are exceeded
  • Adjustable backlight brightness
  • Mobile phone Bluetooth APP and PC software analysis data
  • Support thermal printing
  • Tri-color LED indication and LED flashlight
Functions Impact device type Standard Richter block hardness value Resolution Error value Indication repeatability instructions
Hardness measurement D 790±40HLD 1HLD ±6HLD 6HLD Standard hardness blocks: 1. Standard D-type Richter hardness blocks A grade uniformity ±1HLD; 2. Standard G Type Richter Hardness blocks, grade A uniformity ±1HLG;
    530±40HLD   ±10HLD 10HLD  
  DC 790±40HLDC 1HLDC ±6HLDC 6HLDC  
    530±40HLDC   ±10HLDC 10HLDC  
  DL 894±40HLDL 1HLDL ±12HLDL 12HLDL  
  D+15 795±40HLD+15 1HLD+15 ±12HLD+15 12HLD+15  
  G 590±40HLG 1HLG ±12HLG 12HLG  
  E 755±40HLE 1HLE ±12HLE 12HLE  
  C 851±40HLC 1HLC ±12HLC 12HLC  
Certificates CE (In processing), UKCA
Display screen 2.8-inch 320*240 graphic dot matrix color TFT screen.
Material selection Steel and cast steel, alloy tool steel, stainless steel, forged steel, cast aluminum alloy, copper zinc alloy, copper tin alloy, gray cast iron, nodular cast iron, pure copper; Select the appropriate material for measurement.
Hardness scale  HL, HB,  HRC,  HRB,  HV, HS
Strength σb(tensile strength)
Impact direction 0°、45°、90°、135°、180°A total of 5 impact directions
Measurement mode Statistical, multi-unit, line chart, histogram
Statistical measure Max/Min/Avg
Thermal printing 57mm width thermal printing paper
Data storage 900groups
Voice prompt
Bluetooth APP function
USB Communication
PC analysis software
Auto power off Can be set: 1/ 5 / 10 /30 minutes or cancel
Low battery indication
External power source Power adapter requirements: DC5V 2A Type-c connector.
Charging time About:2~4h
Battery 3.7V 2500mAh polymer rechargeable lithium battery.
Drop test 1m