• Test of torque screw drivers >> for manual, indicating and click type tools.
  • Calibration according to DIN EN ISO 6789 >> precise momentum transfer through perfect guiding.
  • Precise torque introduction >> by firm and accurate clamping of the tool.


The test stand amends the ToolTorqueTester TTT-300 and can be utilized to approve and calibrate manually operated torque tools with release mechanism or indicator, as classified in ISO 6798. Inserting and fixing the tool under test inot the test stand allows a precise momentum transfer as require by the ISO standard.

The quick clamping device can be a in X-,Y- and Z-direction perfectly to the wrench; vertically (X-axis) to adjust the lever length, horizontal (Y-axis and Z-axis) to adopt the hold. Turning the handwheel the wrench moves perfectly centred to the measuring device orbital by 0.5° per revolution and the momentum increases smoothly and even as require by ISO 6789 until the release mechanism is activated.

Torque screw drivers are fixed at the handle in a 3-jaw-chuck. The chuck is mounted onto a quick release clamping fixture and can be moved in Y-direction to adapt the length of the tool. Turning the handwheel moves the screw driver perfectly aligned with the measuring axis of the tool torque tester and the momentum can be increased smoothly smoothly and even as require by ISO 6789 until the release mechanism is activated. For test of motorized drivers, the turning device can be blocked.

Models and Prices

Select Part no. Torque (max.) Dimension (LxWxH) Availability Price €
TTT-922C5 Test stand for torque wrenches and screw drivers 50 | 10 Nm 680x350x760 mm 2.795,00

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