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FULL DATA SHEET (PDF, 68kB) Download   E-Mail This product is a sealed plastic stick containing three DS1921G iButtons®. The iButtons are connected in parallel through metal plates that are spot-welded to the IO and GND contact, respectively. Two stranded wires protruding from the top end of the stick allow for a 1-Wire® reader/writer to make contact to the iButtons for setup and data retrieval. Electrically, the product is specified by the DS1921G data sheet, with the proper scaling (e.g., current ×3, capacitance ×3). The mechanical and thermal characteristics of the module are specified in this document.

Key Features		Applications/Uses
Three DS1921G networked to monitor temperate at the top, bottom and center of the stick Connects to 1-Wire reader/writer through colorcoded 18 AWG (1 mm Ø) stranded wires with ½ inch (1.3cm) stripped ends Electrically compatible to the DS1921G Thermochron iButton (3 in parallel) Sealed against liquid intrusion Module position information stored in DS1921G memory		Concrete Maturity Monitoring

Diagram

Typical Operating Circuit Typical Operating Characteristics

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