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All about SEAC® Full Face Mask CO2 Testing

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A feeling of fatigue and a build-up of CO2 in the respiratory system can lead to potentially serious consequences, even during low-impact physical activities like snorkelling.

That’s why SEAC® abides by two fundamental principles in designing its full-face snorkelling masks:

  • the user should need to employ the least possible breathing effort, comparable to natural breathing, out of the water and in a relaxing situation;
  • and the level of residual carbon dioxide CO2 inside the skirt while inhaling must be well below the safety limits.

Even though there is no specific European regulation governing the manufacture of full-face snorkelling masks, SEAC® has developed a series of specific tests (with their own, in-house testing equipment) that comply with the values set forth by the following European regulations:

  • EN 1972:2015 establishes the requirements for the design and manufacture of snorkel tubes, limited to breathing effort;
  • EN 16805:2015 establishes the requirements for the design and manufacture of dive masks;
  • EN 136:2000 establishes the minimum requirements for the manufacture of full-face respiratory protection masks, limited to tests checking the CO2 in inhaled air; and,
  • EN 250:2014 regarding open-circuit compressed-air self-contained breathing apparatus and its components, limited to tests checking the CO2 in inhaled air.

In the SEAC® labs, batches of full-face masks are tested with Ansti machines, specifically to measure the dynamic performance of human breathing, and with proprietary SEAC® equipment to check levels of CO2 in the air inhaled through the masks.

All this makes it possible for them to offer the end user the best possible snorkelling experience, in complete safety, because with SEAC® full-face masks, having fun is as natural as breathing!

Find out more at www.seacsub.com.

Gear News

Northern Diver Christmas Sale starts TODAY!

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This year Northern Diver’s Christmas offers are starting on Black Friday and running until midnight on New Year’s Eve! 

There are some great deals to be had across the site – www.ndiver.com – from discounted Drysuits and Coltri compressors to 15% off their entire Lighting Section!

And if you can’t find the perfect present for the diver in your life, they have a choice of Gift Cards on offer. They are even giving you £25 extra when you purchase a £100 voucher!

The offers don’t stop there – there is FREE shipping on all orders over £100 and even a FREE gift with every online purchase.

Every purchase will get you entered into a great prize draw to win one of their new Electracore 3.0mm Rechargeable Heated Vests!

And should you find that you need to return any of your purchases, Northern Diver understand that Christmas may be a little different for everyone this year and you may not get to see every one over Christmas, so they have extended their Returns Period to the end of January 2021. (Valid for purchases made from Black Friday to end of December 2020).

Some unmissable offers to look out for are the Varilux Zoom, part of the Varilux Black & Gold Range, with its variable beam width; and Northern Diver’s 4mm compressed Neoprene Drysuit, the Voyager, which is on offer for an incredible £475!

For more information visit the Northern Diver website by clicking here.

Photo credit: Joe Duffy

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Gear News

Jeff chats to… Richard Corner from Mares about swimwear products (Watch Video)

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In this exclusive Zoom interview, Jeff Goodman chats to Richard Corner, UK Watersports Category Manager for Mares, about swimwear products and the purchase of Zoggs swimwear.

Part three in a series of four videos.

Rather listen to a podcast? Listen to the audio HERE on the new Scubaverse podcast channel at Anchor FM.


For more information, visit www.mares.com, www.head.com/en-GB/sports/swimming and www.zoggs.com

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Sharks Bay Umbi Diving Village is a Bedouin-owned resort with stunning views and a lovely private beach. It is ideal for divers as everything is onsite including the resort's jetty, dive centre and house reef. The warm hospitality makes for a diving holiday like no other. There is an excellent seafood restaurent and beach bar onsite, and with the enormous diversity of the Sharm El Sheikh dive sites and the surrounding areas of the South Sinai, there really is something for every level of diver to enjoy.

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