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Thermochron Chart

Thermochrons / Hygrochron

The Thermochron family of iButtons are temperature data loggers which record and store time, temperature, and optional humidity for later analysis. The iButton's embedded computer chip integrates a globally unique address, a thermometer, a thermal history log, an alarm event log, and additional memory to store user data, such as location data or a shipping manifest. Thermochrons are recyclable, and under normal conditions, will log data for up to 10 years or 1 million temperature measurements

 The following table is a comparison of the available Thermochron models:

 

Model Temperature Range Accuracy Resolution Values/Readings Logging Rate
DS1921G -40°C to +85°C   ± 1°C: -30°C to +70°C
± 1.3°C outside this range
0.5°C 2048 1 to 255 min
DS1921Z -5°C to +26°C ± 1°C 0.125°C 2048 1 to 255 min
DS1922L -40°C to +85°C ± 0.5°C: -10°C to +65°C 0.5°C - 8 bit /
0.0625°C - 11 bit
8192 - 8 bit /
4096 - 16 bit
1 sec to 273 hrs
DS1923
Hygrochron
-20°C to +85°C
0 to 100% RH
± 0.5°C: -10°C to +65°C 0.5°C - 8 bit /
0.0625°C - 11 bit
8192 - 8 bit /
4096 - 16 bit
1 sec to 273 hrs

 

Scientific Research Projects - iButtons can be discretely located in the environment for monitoring the temperature of ecosystems.

  • Because of their low-cost, it is possible to have multiple loggers spread throughout an area.
  • Because of their small size, loggers can be attached to places previously impossible.

Monitoring Thermally Sensitive Products - iButtons easily attach to containers of frozen or fresh foods, blood products, and chemicals or drug reagents, recording time and temperature during transport and storage. By logging the thermal experience of temperature-sensitive material, you can pinpoint responsibility for spoilage and take corrective action.

iButtons

iButton Connectivity Kit

CODE: SK-IB

Dallas Hygrochron Temperature & Humidity iButton - DS1923-F5

CODE: DS1923-F5

Dallas Thermochron iButton -40C thru +85C - DS1921G-F5

CODE: DS1921G-F5

Price: $155.00

Price: $138.00

Price: $72.00

Dallas Thermochron iButton -40C thru +85C - DS1922L-F5

CODE: DS1922L-F5

Dallas Thermochron iButton -5C thru +26C - DS1921Z-F5

CODE: DS1921Z-F5

Dallas 4kb Memory iButton - DS1993L- F5

CODE: DS1993L-F5

Price: $105.80

Price: $52.50

Price: $39.00

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