DS9108

Concrete Temperature Monitor


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Description

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.
DS9108: Typical Operating Circuit DS9108: Typical Operating Circuit Enlarge+

Key Features

  • 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

Applications/Uses

  • Concrete Maturity Monitoring
Request Reliability Report for: DS9108 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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