Demo state Concept 9 · Synoptic — review control, not part of the product
MainsKeeper

Station chartWed 30 Sep 2026 · 15:22 local

Fictional demonstration data — not real equipment. Every station, device and reading on this page is invented for review.

Station chart

Not to scale / not a mapSelect a station for its full report.
Arrangement for reading · not geography · contours are decoration

Bulletins

Forecast vs observed

13:30 → 16:00

Solid bars are observed time on battery. Dashed bars are what the UPS itself estimates (a forecast, never added up across UPSs). Hollow bars arrived late; hatched spans have no records; brackets mark an uncertain time.

Station record · last 24 h

Yesterday 15:22 → today 15:22

Thin grey bar: in contact / on utility. Tall red bar: on battery. Hollow: late report. Hatched: No records. Dotted: recorded on the probe and still uploading.