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DS1923-F5 Temperature/humidity logger
[hc00034]

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Price	£46.14	£43.83	£41.53	£39.22	£36.91
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Description

The DS1923 temperature/humidity logger iButton® 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 273hrs can be stored. In addition to this, there are 512 bytes of SRAM for storing application-specific information and 64 bytes for calibration data. A mission to collect data can be programmed to begin immediately, or 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.

Key Features

Digital Hygrometer Measures Humidity with 8-Bit (0.6%RH) or 12-Bit (0.04%RH) Resolution
Operating Range: -20 to +85°C; 0 to 100%RH
Automatically Wakes Up, Measures Temperature and/or Humidity and Stores Values in 8kB of Datalog Memory in 8- or 16-Bit Format
Digital Thermometer Measures Temperature with 8-Bit (0.5°C) or 11-Bit (0.0625°C) Resolution
Temperature Accuracy Better than ±0.5°C from -10°C to +65°C with Software Correction
Built-in Humidity Sensor for Simultaneous Temperature and Humidity Logging
Capacitive Polymer Humidity-Sensing Element
Hydrophobic Filter Protects Sensor Against Dust, Dirt, Water, and Contaminants
Sampling Rate from 1s up to 273hrs
Programmable Recording Start Delay After Elapsed Time or Upon a Temperature Alarm Trip Point
Programmable High and Low Trip Points for Temperature and Humidity Alarms
Quick Access to Alarmed Devices Through 1-Wire Conditional Search Function
512 Bytes of General-Purpose Memory Plus 64 Bytes of Calibration Memory
Two-Level Password Protection of All Memory and Configuration Registers
Communicates to Host with a Single Digital Signal at Up to 15.4kbps at Standard Speed or Up to 125kbps in Overdrive Mode Using 1-Wire Protocol
Individually Calibrated in a NIST-Traceable Chamber
Calibration Coefficients for Temperature and Humidity Factory Programmed into Nonvolatile (NV) Memory

This product was added to our catalog on Monday 06 August, 2007.

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