Routine Exposure Calculator

Metal halide bulbs drift as they age, and your exposure times drift with them. A quick exposure calculator check every 2–3 months keeps you ahead of that shift instead of chasing mysterious washout failures. 

UVA output drops long before the bulb actually burns out, which means your emulsion might harden inconsistently across the screen. That inconsistency shows up later as poor adhesion, premature stencil breakdown, or details that suddenly stop holding. 

Running the calculator gives you a corrected baseline so every screen is exposed at the proper strength. Treat it as routine maintenance, not troubleshooting, and the rest of your workflow stays stable.