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Home / Additional equipment / For Leeb hardness testers / Adapter “Z3” for hardness tester TQ-3C
Adapter “Z3” for hardness tester TQ-3C
Price: on request


  • Description
  • Exploitation
  • Technical specifications
  • Delivery set

Adapter “Z3” facilitates measurement of hardness by Leeb Hardness tester TQ-3C metal items with flat or curved (cylindrical) surface with a diameter at least 18 mm.

Special head is screwed onto the probe instead of the standard support nut.

Adapter “Z3” is purposed for following probes:

  • Probe D
  • Probe D with socket
  • Probe E
  • Probe E with socket

Adapter “Z3” for positioning of probe on curved, cylindrical surfaces.
Minimum diameter of controlled item is 18 mm.

Preparation for work:

  1. Unscrew the standard support nut from the probe (probes «D»/«D» with socket/«E»/«E» with socket)
  2. On the thread of the probe screw the head “Z3”;
  3. Install the probe with Special head “Z3” on the controlled surface;
  4. Perform the measurement as usual.

Adapter “Z3” for probe positioning on curved items with a diameter from 18 mm. It consists of a body with a spring mechanism and a support washer.

The main material of the Special head is a thermoplastic polymer, which has a high level of hardness and elasticity, which provides resistance to loads and wear resistance.

Adapter “Z3” — 1 piece