New helium log

Enter manual trailer readings; derived fields update instantly and are stored when you save.

Copy readings from the most recent log as a starting point.

Quick fill from registry

Manage list on Trailers. Fields stay editable.

Serial number *

Site name *

Suggestions from Sites; you can still type any name.

Date *

Purpose *

Trailer water volume (cu ft)

On new entries this comes from the trailer registry (quick fill above), or from "Duplicate previous entry"—not typed manually. Add trailers under Trailers.

Barometric pressure

Beginning tank temp (°F)

Beginning trailer pressure (psig)

Ending tank temp (°F)

Ending trailer pressure (psig)

Notes