Yes, ADI global . . .
Others come direct from the maker given these are multi million dollar contracts with the government. All of the level 4 and above sites have on call
Sudden Service which specify two hour SLA for trouble shooting.
24 hour next day replacement for hardware if needed which includes weekends. Assuming the four standby on hand replacement have been used.
Any of the cameras within the high containment facilities are simply incinerated after removal.
No way to reliably decontaminate a camera while insuring nobody will get infected.
Any explosion proof camera that has the side casing twerked is simply replaced. No way to guarantee how long the camera will operate. Plus, nobody wants to go through 12 hours paperwork, decon, and crawling on their belly.
Swap & Go - So you can see the hoes