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TELS ULM (Horizontal Measuring) Height Gauge / ULM: TRIMOS

The Mini-Horizontal TELS is the ideal instrument for checking small dimensions. It is part of the horizontal instruments family.
The instrument is mainly used for checking internal and external dimensions, such as ring gauges, plug gauges, thread plug gauges and for measuring precision production parts.
The reliable concept is easily suitable for the use in workshop environment. An electronic probe and digital display unit or simply a dial indicator can be applied to perform all measurements. The selection of the measuring system depends on the required accuracy.
The range for internal measurements from 10 to 100 mm and external measurements from 0 to 100 mm covers a large number of applications. The absolute measuring range is 25 mm and a preset setting is necessary to obtain an entire length. A wide range of accessories are available.
  • Ideal for checking small dimensions
  • Easy manipulation
  • Suitable for use in workshop area
  • Wide range of accessories


Absolute measuring range mm (in) 25 (1)
Application range (external measurements) mm (in) 100 (4)
Application range (internal measurements) mm (in) 100 (4)
Max. permissible errors (according to measuring probe) µm 1.5
Repeatability (2s) µm 0.1
Resolutions mm (in) 0.1 ÷ 0.0001 (.001 ÷ 00001)
Measuring force (adjustable) N 3-8
Operational temperature °C +10 ÷ +40
Temperature of storage °C -10 ÷ +40
Weight kg 15

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