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Save money with Contrinex ceramic, coated weld-immune inductive sensors

11 May 2022

Reduce sensor failure in welding applications with Contrinex’s robust ACTIVSTONE ceramic coated inductive sensors.

Contrinex offers weld-immune inductive proximity sensors, differentiated by three unique features, to offer the best performance and longevity, whilst being able to withstand high-intensity magnetic fields.

Activstone ceramic coating

An upgrade in resilience to weld-splatter and providing “easier cleaning than the PTFE coating offered by competitors”, Contrinex offers a high-performance ceramic coating option. The ACTIVSTONE coating provides high levels of durability from both heat and abrasion. It reduces the accumulation of weld spatter and can withstand cleaning with wire brushes giving a longer sensor life, fewer machine breakdowns and improved OEE.
Custom-designed accessories, including fixing nuts and mounting brackets, are also available with the ACTIVSTONE-coating. Heavy-duty PUR cables and optional high-temperature-rated spatter-resistant shrouds to prevent cable damage also contribute to robust sensor systems.

Combining high durability in harsh environments with extended working life, Contrinex’s enhanced weld-immune sensor range is a highly affordable, risk-free option for systems integrators and equipment designers in diverse industries, including automotive, aerospace, electronics and white goods.

Impact & abrasion resistance

Contrinex offers weld-immune sensors as part of its EXTREME 700 Series, which offers high robustness and long sensing distances. They feature a housing machined from a single piece of stainless steel with a thick front face which provides extraordinary abrasion resistance. The sensor’s technology gives it enhanced abilities to resist shock and impact damage – this is typically demonstrated by showing a sensor surviving being used to hammer nails into a wooden block.

Chip immunity

Contrinex incorporates its ‘chip-immunity’ technology into the weld-immune sensors to enable them to continue to work reliably even when its front face has collected a build-up of weld spatter.

Long sensing range to keep out of trouble

The 700 Series sensors also benefit from true ‘Factor 1’ sensing, which can sense steel and aluminium targets equally effectively at up to an 8mm distance. Therefore, the sensor can be positioned further away from potential damage from moving parts and the build-up of weld-spatter.

Product advantages

• Low-cost 600 Series – All-metal housing & PEEK polymer sensing face
• Robust 700 Series – One-piece stainless-steel (V2A /AISI 303) housing and sensing face
• Robust & reliable in demanding conditions
• Excellent temperature stability & temperature-resistant
• Immune to electromagnetic interference from 50Hz and medium-frequency weld fields
• Excellent sensing of small & thin targets 
• Factor 1 sensors offer equal sensing distance for steel & aluminium targets
• Ceramic ACTIVSTONE coating option
• IO-Link – Ideal for Industry 4.0 and offering plug-and-play swap-out

Read more at the product page, download the Contrinex weld-immune flyer, or download Contrinex’s product overview brochure to find out more.

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