Materials Testing
    Portable Hardness Tester / durometer

Portable Hardness Tester / durometer

For steel

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The DHT-200 portable hardness tester is capable of measuring the hardness of a board variety of metals on flat and round surfaces.

This instrument comes with interchangeable impact probe and digital display meter as well as memory function (storage capacity: 999 readings). After obtaining data at the test site, the unit can be connected to built-in printer to obtain a printout or to a computer for analyzing and printing data as desired. It’s an ideal solution for metallic hardness measurements with conversions to HLD, HRC, HRB, HB, HV, and HS. The measuring accuracy is +/- 0.5%.


  • Load the impact body
  • Place the impact body on your test piece
  • Push the button to begin testing and obtain reading


Standard Accessories
  • Base instrument
  • Impact device D
  • Calibrated test block
  • Custom carry case
  • Cleaning brush
  • Operation manual



Optional accessories
  • Impact devices; DC, D+15, DL, G, C
  • Special support rings



  • Easy to read menu operation
  • Large LCD display with back light
  • USB Ouput
  • Automatic conversions to: Brinell, Rockwell, Vicker and Shore
  • Automatic mean value as well as Min & Max values
  • Multi-Functional Data storage capacity



Optional Impact Devices

Impact Device D

Universal standard device:
Use for the majority of hardness testing assignments
Impact Device DL
Needle front section .109” diameter x 1.96” length
Measurements in extremely confined spaces
Impact Device G
Enlarged test tip: For use on solid heavy components such as; rough castings and forgings. Brinell only.
Impact Device DC
Extremely short impact device
Used for very confined spaces such as holes, cylinders, internal measurements
Impact Device D+15
Slim front section with coil set back.
Hardness measurements in grooves, recessed surface.
Impact Device C
Reduced impact energy
For testing case hardened or thin walled components




Technical Specifications of the Portable Hardness Tester for Metals

Hardness scale

HL, HRC, HRB, HB, HV and HS convertible

Impact devices

D (standard),
DC/ D + 15 / C / G / DL (optional)




320 x 240 matrix LCD display with back light


Built-in printer

Statistics function

Average / Max. / Min. value calculation
Limits setting and alarm


999 data


USB connection

Max. hardness value

999HV (Impact device D/DC/DL/D+15/C)
68HRC (Impact device D/DC/DL/D+15/C)
680HB (Impact device G)

Minimum sample weight

2kg on solid support / 0.2kg with couplant paste

Minimum thickness coupled

5 mm (Impact device D/DC/DL/D+15)
3 mm (Impact device C)
10 mm (Impact device G)

Battery indicator

Battery low indication

Power supply

4 AA rechargeable batteries


6 V D.C. 1000mA

Charging time

2 hours

Operating temperature

-20°C to 40 °C