I have a demo FLIR T440. I used it for 2 years at trade shows primarily. It went in for service and calibration 6 months ago, so very fresh calibration. You won’t find a “newer” used unit.
Asking $7,500. Financing available.
I also have a Fluke TiR that was used as a loaner camera for 5 years. The only time the camera was used is when there was a lead time on a customer’s camera order. It spent at least 90% of its life on the shelf.
Asking $1,250. Too cheap to finance.