The Key-Wound Temperature Recorder writes data on 8in (203mm) circular paper charts and features selectable 24 hour or 7-day operation. No power source or batteries required. Includes one hundred 7-day charts and felt-tip pen. This liquid sensor model is supplied with 5ft (1.5m) cable. Case is heavy aluminum with gasket seals. The recorder uses felt-tip pens.
Dimensions: 10.5x14.5x5in (267x368x127mm), WxHxD.