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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

Click to expand full 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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