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 → 4–20 mA · NE43 · HARTLoop Scaler
Convert mA, volts, % and engineering units, including raw PLC counts and square-root flow. Also checks DCS scaling against the transmitter range, trip points and loop voltage.
Open →
Coming
Loop tuning notes
PID forms, tuning rules and a quick reference for common loops.