deadbandlab.com
Deadband Lab
Free tools for instrumentation, controls and automation work. They run in your browser, work offline and install on your phone.
Tools
ANSI/ISA-5.1-2024
P&ID Symbol Finder
What changed in the 2024 edition, 278 instrument symbols, a tag-letter decoder, definitions and a symbol drill.
Open →
Coming
4–20 mA scaling
Convert between mA, percent and engineering units, including square-root flow.
Coming
Loop tuning notes
PID forms, tuning rules and a quick reference for common loops.