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DS1923

Maxim Integrated
Part Number DS1923
Manufacturer Maxim Integrated
Description iButton Hygrochron Temperature/Humidity Logger
Published May 24, 2018
Detailed Description DS1923 iButton Hygrochron Temperature/Humidity Logger with 8KB Datalog Memory General Description The iButton® tempera...
Datasheet PDF File DS1923 PDF File

DS1923
DS1923

Overview
DS1923 iButton Hygrochron Temperature/Humidity Logger with 8KB Datalog Memory General Description The iButton® temperature/humidity logger (DS1923) is a rugged, self-sufficient system that measures temperature and/or humidity and records the result in a protected memory section.
The recording is done at a user-defined rate.
A total of 8192 8-bit readings or 4096 16-bit readings, taken at equidistant intervals ranging from 1s to 273hr, can be stored.
Additionally, 512 bytes of SRAM store application-specific information and 64 bytes store calibration data.
A mission to collect data can be programmed to begin immediately, after a user-defined delay, or after a temperature alarm.
Access to the memory and control functions can be password protected.
The DS1923 is configured and communicates with a host-computing device through the serial 1-Wire® protocol, which requires only a single data lead and a ground return.
Every DS1923 is factory lasered with a guaranteed unique 64-bit registration number that allows for absolute traceability.
The durable stainless-steel package is highly resistant to environmental hazards such as dirt, moisture, and shock.
Accessories permit the DS1923 to be mounted on almost any object, including containers, pallets, and bags.
Applications • Programmable Recording Start Delay After Elapsed Time or Upon a Temperature Alarm Trip Point • 512 Bytes of General-Purpose Memory Plus 64 Bytes of Calibration Memory • Two-Level Password Protection of All Memory and Configuration Registers • Individually Calibrated in a NIST-Traceable Chamber • Calibration Coefficients for Temperature and Humidity Factory Programmed Into Nonvolatile (NV) Memory • Rugged Construction Survives Harsh Environments • Hydrophobic Filter Protects Sensor Against Dust, Dirt, Contaminants, and Water Droplets/ Condensation with IP56 Enclosure Rating • CE, FCC, and UL913 Certifications • Simple Serial Port Interfaces to Most Microcontrollers for Rapid Data Transfer • Communicates ...


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