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DS1921Z - High-Resolution Thermochron iButton Devices

Download the DS1921Z datasheet PDF. This datasheet also covers the DS1921H variant, as both devices belong to the same high-resolution thermochron ibutton devices family and are provided as variant models within a single manufacturer datasheet.

Features

  • Digital thermometer measures temperature in 1/8°C increments with ±1°C accuracy.
  • Built-in real-time clock (RTC) and timer has accuracy of ±2 minutes per month from 0°C to +45°C.
  • Water resistant or waterproof if placed inside DS9107 iButton® capsule (Exceeds Water Resistant 3 ATM requirements).
  • Automatically wakes up and measures temperature at user-programmable intervals from 1 to 255 minutes.
  • Logs consecutive temperature measurements in 2KB of datalog memory.
  • Reco.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (DS1921H-MaximIntegrated.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
DS1921G Thermochron iButton Device
DS1921H High-Resolution Thermochron iButton Devices
DS1921L-F5X Thermochron iButton
DS1920 Temperature iButton
DS1922L iButton Temperature Loggers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
DS1921H/DS1921Z High-Resolution Thermochron iButton Devices SPECIAL FEATURES  Digital thermometer measures temperature in 1/8°C increments with ±1°C accuracy  Built-in real-time clock (RTC) and timer has accuracy of ±2 minutes per month from 0°C to +45°C  Water resistant or waterproof if placed inside DS9107 iButton® capsule (Exceeds Water Resistant 3 ATM requirements)  Automatically wakes up and measures temperature at user-programmable intervals from 1 to 255 minutes  Logs consecutive temperature measurements in 2KB of datalog memory  Records a long-term temperature histogram with 1/2°C resolution  Programmable temperature-high and temperature-low alarm trip points  Records up to 24 time stamps and durations when temperature leaves the range specified by the trip points  512 by
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