Clamping tube

Clamping tube to protect cable connection

To protect the connection point between the sensor cable and the connection cable of the evaluation unit (e.g. data logger) against the ingression of moisture and dust.

Alternatively, a pressure equalisation clamping tube with a breathable membrane can be used.

Protecting cable junctions using the clamping tube

  • Dismantle cables: single stranded wire 8 mm / cable 35 mm

  • Gradually shorten or isolate unused wires

  • Cover cable ends with wire end sleeves

  • Remove cable gland on one side

  • Remove terminal block from the tube

  • Thread cable end through cover nut and cable gland

  • Connect cable ends via the terminal block

  • Slide terminal block back into the tube

  • Screw cable gland on the tube (torque: 3Nm)

  • Tighten cover nut (torque: 3Nm)

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Product configurator

With the help of the runtime calculator, you can estimate the autonomous runtime of the application as well as the costs incurred. The actual costs and energy consumption depend on the measurement conditions, such as the reception quality and ambient temperature. Detailed information on the tariffs can be found here.

Technical data

Clamping tube
Item no. 300256
Cable diameter 8-14 mm
4 / 7 / 10 / 13 mm (when using the enclosed cut-in sealing rings)
Cross section per strand max. 2,5 mm²
Number of clamps 5
Length to be stripped (single strand/cable) 8 mm / 35 mm
Length 134 mm
Weight 64 g
Protection class IP68 (50 m 30 min)
Operating temperature -25 … +60 °C
Key width of the cable gland 27 mm
Tightening torque (cap nut, connection thread) 3 Nm

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Stefan Pfeffer

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