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Wireless Remote O2 Sensor for Pipeline Welding fitted to Internal Line Up Clamp

Internal Line Up Clamp’s (ILUC) are commonplace in the pipeline welding industry. They align two pipe sections using internal hydraulic or pneumatic rams and external automatic welding equipment is used to weld the root pass. Additionally, for welding duplex or Inconel-clad pipes, a purge dam is fitted to the ILUC.

Internal Line Up Clamp (ILUC) in Pipe

Wireless Remote O2 Sensor for Pipeline Welding fitted to Internal Line Up Clamp

Although O2 monitoring may already be built into the ILUC, sometimes factory-supplied options:

  • are not accurate enough at low levels
  • cannot provide additional external signalling

On several occasions, we devised retrofit kits for accurate low-level O2 measurements with remote display and signaling for onshore and offshore pipeline welding clients.

Custom-Designed Zirconia and Optical Oxygen Sensor Modules

The custom-designed zirconia and optical oxygen sensor modules, fitted with an internal sampling pump, can be controlled remotely. These are designed to work from the 24V DC internal supply on the ILUC.

The module is programmable with alarm limits. A traffic light visual alarm system provides an external display of the O2 levels down to 1ppm. The alarm displays red, yellow, and green lights and emits audible warnings based on pre-programmed alarm levels. Data logging capability is available onboard to record and report the digital data for the purge time and levels after welding.

We custom-design all modules to meet our client’s specific requirements. If you have a welding application requiring automated remote monitoring of purging, contact us to discuss your project requirements.


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Making Sense: O2 Sensors

Types of O2 Sensors For many years, the welding industry has used simple handheld meters to measure the level of O2 in inert gas used

The Validation Centre (TVC) Limited

Unit 15, Brinell Way, Great Yarmouth, Norfolk, NR31 0LU, UK.


The Validation Centre (TVC) Limited is a company registered in England and Wales with company number 4596823. VAT Reg. GB651039948



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