T-Rating Monitoring for Hazardous Area Zones & Explosive Atmospheres
Published 17 Feb 2021
T Sure T-Rating Labels
T-Rating Monitoring
T Sure Labels for Hazardous Area Zones & Explosive Atmospheres
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Special thanks to Gareth Turner Managing Director at Blayds
The TSure T-Rating labels are a low-cost, totally passive, maintenance free monitor, providing instant and permanent visual feedback that equipment has reached and/or breached its specified T-Rating. They are designed specifically to prevent catastrophic failures ultimately protecting equipment and life in potentially explosive atmospheres.
The label is simply affixed to the equipment in a Zone 1, 2, 21 or 22 hazardous area (Gas & Dust) providing a visual indication during routine inspections as to whether the T-rating has been exceeded at any time during operation.
This will work for 3+years (though should be changed at the 3 yearly inspection interval) and will change colour from white to black permanently if the equipment runs hot.
This unique visual indicator provides feedback allowing remedial action to take place.
As you will be aware, simply because the equipment is certified at a specific T-Rating does not stop overtemperature events from occurring due to any number of factors: loose connections, incorrect cable crimping, overcurrent, water ingress, poor installation and maintenance practices etc.
The label itself is simple to install and is maintenance-free.
Once applied to a clean, grease free surface a permanent irreversible colour change from silver white / orange (depending on label type) to black indicates that the rating has been reached. The T Sure™ can be fitted both internally and externally offering un-rivalled ease of use.
T Sure Labels
How does it work
T Sure™ thermally reactive T-Class rating labels produce an irreversible colour change if the specified T-Rating is met or exceeded.
Manufactured from anti-static durable oil & water resistant materials, the T Sure™ labels offer a unique visual safeguard in Hazardous Areas, helping to monitor temperatures 24-7 in a simple, low-cost, passive (non-powered) and non-maintained label.
Once fitted to the hazardous area equipment, such as a lighting fixture, enclosure, control station, cable etc the T Sure™ T-Rating indicator strip will change from a silver/white to black, producing an irreversible colour change if activated.
This will ensure that if the T-Rating has been exceeded at any time during operation, this can be seen during routine inspection and maintenance and therefore rectified – eliminating a future explosion risk.
Available in T6 85°C, T5 100°C, T4 135°C and T3 200°C.
T Sure Labels
Features & benefits
- Low cost labels
- Suitable for Zones 1,2,21 & 22 hazardous areas
- Maintenance free
- Passive – no power source required
- Oil, water and Steam resistant
- Anti-static labels
- Tolerance of +/- 1°C for T6, +/- 1.5 °C for T5 & T4 and +/- (1% +1 °C) for T3
- Immediate response time & irreversible reaction
- Custom text / branding available upon request
About Blayds
Blayds Group Ltd helps to remove the Hazards from Hazardous Area cable terminations, through innovative products and industry expertise.
With over 20 years experience of ATEX, IECEx, NEC, EAC certified products including Hazardous Area Cable Glands, Electrical Enclosures, Lighting, Plug and Socket Ex Connectors, Control Stations and more, the experts at Blayds Group Ltd are committed to develop products to help maintain safety in Hazardous Areas across the globe.
EXPERTS IN EQUIPMENT FOR EXPLOSIVE ATMOSPHERES
Thorne & Derrick are leaders in the development and distribution of Product Innovations that deliver significant improvements to clients plant, people and operational safety in the explosive atmosphere industries.
Your proactive problem solvers experienced in succession planning for the replacement of obsolete, non-conformant and legacy equipment in hazardous areas.
Your first-choice provider of innovative and competitive solutions to ensure ATEX & IECEx Compliance for Hazardous Area Electrical, HVAC & Process Instrumentation Equipment to UK and international projects.
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