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      Wdsen Electronic Technology Co., Ltd

      iButton Temperature Loggers

      iButton Hygrochron Temperature/Humidity Logger

      DS1922T iButton Temperature Loggers with 8KB Data-Log Memory

      DS1922T iButton Temperature Loggers with 8KB Data-Log Memory


      The iButton? temperature loggers (DS1922L/T) are rugged, self-sufficient systems that measure temperature and record 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 DS1922L/T 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 DS1922L/T 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 DS1922L/T to be mounted on almost any object, including containers, pallets, and bags.

      Key Features

      • High Accuracy, Full-Featured Digital Temperature Logger Simplifies Temperature Data Collection and Dissemination of Electronic Temperature Record
        • Temperature Accuracy of ±0.5°C from -10°C to +65°C (DS1922L), ±0.5°C from +20°C to +75°C (DS1922T), with Software Corrections
        • Measures Temperature with 8-Bit (0.5°C) or 11-Bit (0.0625°C) Resolution
        • Operating Temperature Range: DS1922L: -40°C to +85°C; DS1922T: 0°C to +125°C
        • Automatically Wakes Up, Measures Temperature, and Stores Values in 8kB of Data-Log Memory in 8- or 16-Bit Format
        • Sampling Rate from 1s Up to 273hr
        • Programmable High and Low Trip Points for Temperature Alarms
        • 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
        • Complies to Standard EN12830
      • Rugged Construction Survives Harsh Environments
        • Water Resistant Enclosure (IP56) or Waterproof if Placed Inside DS9107 iButton Capsule (Exceeds Water Resistant 3 ATM Requirements)
        • CE, FCC, and UL913 Certifications
      • Simple Serial Port Interfaces to Most Microcontrollers for Rapid Data Transfer
        • Communicates to Host with a Single Digital Signal Up to 15.4kbps at Standard Speed or Up to 125kbps in Overdrive Mode Using 1-Wire Protocol
        • Quick Access to Alarmed Devices Through 1-Wire Conditional Search Function


      • High-Temperature Logging (Process Monitoring, Industrial Temperature Monitoring)
      • Temperature Logging in Cold Chain, Food Safety, Bio Science, and Pharmaceutical and Medical Product

      DS1921G Thermochron iButton Device

      DS1921H High-Resolution Thermochron iButton Devices

      DS1921Z High-Resolution Thermochron iButton Devices

      DS1922E iButton High-Temperature Logger with 8KB Data-Log Memory

      DS1922L iButton Temperature Loggers with 8KB Data-Log Memory

      DS1922T iButton Temperature Loggers with 8KB Data-Log Memory

      DS1923 iButton Hygrochron Temperature/Humidity Logger with 8KB Data-Log Memory

      DS1925 iButton High-Density Temperature Logger with 122KB Data-Log Memory

      DS9097U-S09 Universal 1-Wire COM Port Adapter

      DS1402D-DR8 1-Wire Network Cables

      DS1922T iButton Temperature Loggers with 8KB Data-Log Memory