Temperature Alarm for Electrical Connections

What is PyrOptic? 

PyrOptic is a permanent, online temperature monitoring alarm for bus bar connections, cable terminations and other applications that are subject to hazardous thermal runaway events. 

Patent pending thermal actuators (PyrOnodes) cut a plastic optical fibre core to signal an over temperature event.

PyrOptic provides reliable, 24/7 automatic monitoring at a far lower cost than intermittent and labour intensive routine inspection tasks such as thermal imaging. Our system also eliminates the exposure of people to hazards such as arc flash.

Economical

• PyrOptic is the most cost effective online monitoring solution in the market. 

Reliable

• A PyrOnode must achieve its temperature rating to cut the optical fibre due to the physical principle of thermal expansion, thus eliminating the possibility of false alarm due to sensor malfunction.
• Monitoring relays are a standard product available from most automation brands eliminating obsolescence risk.
• Made of only 4 simple components including an inert sensing material, PyrOnodes never require calibration and can be relied upon to activate decades on after installation.

​​Versatile

• One, one hundred, or more temperature alarm sensors can utilise the same optical fiber loop.
• Loop length can be as short as 1m, over 200m, or anywhere in between. 
• PyrOnodes are sealed, rugged and small. This enables installation in tight locations and directly in oil filled equipment.
• They can be attached using crimp lugs, clips, adhesives, heat shrink, cable ties, tapes etc.​
• By using simple lens, air gaps can be created in the optical loop enabling use in high voltage systems without tracking risk, inside withdrawable switchgear without physical connection and even on the rotating parts of machine​s.

The Optimal Solution

• PyrOptic catches emerging problems prior to catastrophic failure at a fraction of the price and complexity offered by alternative solutions.​ Say goodbye to thermography routines and periodic inspection tasks. 

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Search Terms

Electrical Safety
Glowing Connections
Glowing Joints
Hot Connections
Hot Joints
Hot spot detection
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​​Temperature monitoring
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Electrical connection monitoring
Switchboard temperature monitoring
Switchgear temperature monitoring
​Temperature rise
Thermal runaway
​Infrared thermography

Thermal imaging
Thermal inspections
Fibre optic temperature sensor
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Busbar temperature monitoring

Intellisaw
​Grace Sense
3C Terasaki
LumaSense
T/Guard
RF Micron
Raytek
Calex
​DTS
Senseor
​Eaton Diagnose
​Delta T Alert