Project HM—002 / complete

Portable Field Monitor

A sunlight-readable instrument for logging temperature and air quality away from mains power.

electronicsenclosuresensors

Built for glare and dust

The monitor records ambient temperature, humidity, and particulate levels to a removable card. A hooded monochrome display remains legible in full sun, while three oversized controls work with gloves.

The enclosure is a two-part print with a replaceable gasket. No cloud account or radio link is required; the data remains on the instrument until the card is removed.