365nm or 395nm? What people order vs what they actually want
Almost every week somebody asks for 395nm because it's cheaper, then comes back wanting 365nm. Here's how I try to sort it out before the order ships.
The order from a small bank in Brazil that taught me about filters
A regional bank wanted 140 torches for teller windows. Sounds simple. It was not, and it changed how we spec currency torches.
Why we dropped our old LED supplier in 2024 (and the mess first)
Switching the LED source on our 365nm line was supposed to save money. The first three weeks nearly cost us a customer instead.
What IP65 really means once a torch leaves the test bench
People see IP65 on the box and think they can take it swimming. Here is what we actually test, and what the rating does and doesn't promise.
