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Whether operating instructions, spare parts list, declaration of conformity or safety precautions. You can find documents relating to our products quickly and easily here using the relevant article number.

We also have the right software for our products or our wallpaper for real HAZET fans (see below).

You can download our current catalogues and brochures as PDF files in this section.

You can find further downloads, such as our logo, in our Media Centre.

Operating manual

Spare part list

Declaration of conformity

Safety instructions



Please select the software suitable for your Windows system:

Driver for Windows 7 64Bit / 10 64Bit

(Important: install first, then connect the torque spanner)

Readout software for 32 screwdriver bit Windows systems

Readout software for 64 screwdriver bit Windows systems

For electronic torque wrenches with built-in angle gauge

  • 7291-2 eTAC
  • 7292-2 eTAC
  • 7294-2 eTAC

Manual German download (PDF, 2,4 MB)

Manual english download (PDF, 1,5 MB)

Torque testing software 7901 E-D Update to version 1.01.003

For torque tester HAZET 7901E / 7902E / 7903E

System requirements:

Operating system: Microsoft® Windows 2000® / XP® / Vista® / Windows 7® / 8® / 10®
Memory requirements: At least 50 MB free hard drive space
Memory: At least 256 MB
Processor: Intel Pentium® III or better
Graphics resolution: At least 1024 x 768

USB borescope software

For video borescope 4812-11/5FS ∙ 4812-11G ∙ 4812-23/5AF ∙ 4812-23G

System requirements:

Operating systems Windows XP ∙ Windows 7 ∙ Windows 8 ∙ Windows 10
CPU: AMD Athlon II 2GHz or better (Quad core)
Integrated graphics card or better
RAM: 4 GB or better

Firmware update for touch screen borescope 4812-23/5AF | 4812-23G

Firmware version 1.10

For HD touch screen borescope 4812-23/5AF - 4812-23G

Desktop background

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