• TH-170
  • TH-170 Series
  • TH-170 Series

Portable Hardness Tester : Time TH-170 Series

• Integrated handheld hardness tester
• Top industry selling device for over 20 years
• On-board memory
• Accuracy ±6 HLD

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Take the tester to the job. The TH-170 series portable hardness tester series are ideal for use in applications where bench mount hardness testers can't be used. The TH-170 is powered by AA batteries and has on-board memory making it ideal for use in the field or the factory floor.

Using rebound technology, results are measured in the LEEB Scale (HL) which can then be converted and displayed directly in common scales: Rockwell C, Rockwell B, Brinell, Vickers & MpA. Metals that can be tested include Steel, Stainless steel, Aluminium, copper and other variations.

TH-170 (Standard)

The TH-170 uses a D type impact device for general purpose testing of metal samples greater than 5mm thickness.  

TH-172 (Thin material)

Featuring a C-type impact device and a lighter impact force the TH-172 can test samples from 1mm thickness provided they are coupled.  Samples that are not coupled can lose rebound energy through vibration which can result in a lower hardness reading.  

TH-174 (Needle Point for hard to reach Testing)

To test in hard to reach locations we recommend the TH-174.  The needle point indenter is ideal for accessing deep recessed and other narrow shaped surfaces such as teeth on gears, o-ring grooves or any notched or stepped parts.

Basic Kit Supply:

  • Portable Hardness tester
  • Soft Carry Case
  • Data Cable
  • Software driver CD for HyperTerminal
  • Cleaning Brush
  • 2 x AA batteries
  • Factory Calibration Certificate

Complete Kit Supply:

  • All items in the Basic Kit plus
  • Aluminium hard shell, padded carry case and
  • Reference Test Block for self calibration of the Hardness Tester


MODEL TH-170 TH-172 TH-174
Impact Device D integrated C integrated DL integrated
Hardness Scales HLD, HB, HRC, HRB, HV, HS  HLC, HB, HRC, HRB, HV, HS  HLDL, HB, HRC, HRB, HV, HS 
Accuracy ±6 HLD ±12 HLC ±12 HLDL
Surface of Workpiece 1.6µm (Ra) 0.4µm (Ra) 1.6µm (Ra)
Max Hardness 900 HLD 960 HLC 950 HLDL
Min Thickness coupled 5mm 1mm 5mm
Min Weight supported 2 ~ 5Kg 0.5 ~ 1.5Kg 2 ~ 5Kg
Min Weight coupled 0.05 ~ 2Kg 0.02 ~ 0.05Kg 0.05 ~ 2Kg
Memory Storage 270 average readings in 9 group files
Power 2 x AAA batteries
Dimensions 155x55x25mm 160x60x25mm 215x60x25mm
Weight 166g 180g 180g
TIME 5100


Conversion Table

LEEB Hardness value conversion table

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TH-170 user manual

Complete user operation manual for TH-17* series

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