Rockwell Hardness Testers

Portable Hardness Tester for cast/rough surface parts/Economic Castings Portable Hardness Tester

Model No.PHT-1750




Loaded with features, this economically priced portable hardness tester is capable of measuring the surface hardness of a broad variety of metals on flat and round surfaces. This portable hardness tester comes complete with the G impact device, calibrated HLG test block and rugged carry case.

Designed to test large cast parts and those with rough surfaces:

Example: part mass should be equivalent to 1” thick of solid steel where testing.


  • 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 G (“D” PHT-1700, “DL” PHT-1740)
  • Calibrated HLG test block
  • Custom carry case
  • Cleaning brush
  • Operation manual


  • Easy to use keypad operation
  • Large LCD display with back light
  • Automatic conversions to: Brinell, Rockwell B & C, Vicker and Shore
  • Automatic mean value
  • Data storage capacity


  • Accuracy: +/- 0.5% (referred to L=800,
  • Repeatability accuracy: +/- 4L units) L=Leeb
  • Measuring range: 200-960 HL
  • Materials: steel & cast steel, alloy tool steel, stainless steel, grey cast iron, spheroidal iron, cast aluminum, brass, bronze, wrought copper alloy.
  • Battery type: AAA alkaline (2)
  • Operating temperature: 5-104 degrees F
  • Dimensions: 108 x 62 x 25mm
  • Weight: 230 grams


NIST/ASTM certified hardness test blocks penetrators and kits are available.

Impact device -> G
Impact energy 90Nmm
Mass of the impact body 20g
Test tip  
* Hardness 1600HV
* Diameter 5mm
* Material Tungsten Carbide
Impact device  
* Diameter 30mm
* Length 254mm
* Weight 250g
Max. hardness of sample 650HB
Preparation of surface  
* Max. roughness depth Rt 30 m m
* Average roughness Ra 6.3 m m
Min. weight of sample  
* Of compact shape 15kg
* On solid support 5kg
* Coupled on plate 0. 5kg
Indentation of test tip  
With 300 HV  
* Diameter 1.03mm
* Depth 53 m m
With 600 HV  
* Diameter 0. 90mm
* Depth 41 m m
Back to Product Listing
Copyright © Rockwell-HardnessTesters.com