Physics

Check DALI bus current, separate address capacity, cable voltage drop, and the minimum DALI lines needed for a lighting design.

Estimate LED lighting, refrigeration interaction, total kWh, and variable energy-cost savings for a cold-storage retrofit.

Estimate light towers needed, project diesel use, rental cost, ownership cost, and the rent-versus-buy gap for a job site.

Estimate the maximum identical LED fixtures per breaker using startup inrush, pulse duration, normal current, and breaker data.

Compare Type A, Type B, and Type C LED tube upfront cost, electricity cost, payback, and lifetime cost for your fixtures.

Calculate projector throw distance, required throw ratio, or image width. Check whether a projector’s published zoom range fits your setup.

Estimate sports-lighting installation cost, energy per event, annual operating cost, and LED retrofit payback from your schedule and utility rate.

Calculate projector screen brightness in foot-lamberts and nits, or find the lumens needed for your screen and target brightness.

Calculate LLF from loss factors or light readings, plus total light lost, maintained light, and starting light needed.

Estimate outdoor light pole spacing, pole count, lumens per pole, and rough foot-candles for a first-pass layout.