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DS1923-F5# Hygrochron Temperature and Humidity Data Logger

by Maxim Integrated Products


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We currently have 1583 in stock.

The DS1923-F5# is a high-resolution iButton® focused on applications that require humidity logging and containing a complete temperature and humidity logging system. This is a reliable, flexible, low-cost data logger with excellent battery life. The DS1923-F5# is great in applications such as food preparation and processing, transportation of sensitive goods, warehouse monitoring, and environmental studies.

The temperature range of this device is -20°C to +85°C with an accuracy range of ±0.5°C in the range of -10°C to +65°C after software correction. The humidity range is 0% to 100% relative humidity. The DS1923-F5# has a programmable resolution of 0.5°C for the 8 bit and 0.0625°C for the 11 bit. The device can read 8192 values at a logging rate of 1 second to 273 hours for the 8 bit, and the 11 bit can read 4096 values in with the same logging rate. Battery life information can be found on the DS1923-F5# data sheet.

The DS1923-F5# is calibrated against a NIST traceable source. A NIST traceable certificate for any DS1922T-F5# purchased from iButtonLink is available for download on the Maxim website. A sample certificate can be seen here. Please see the iButton® Data-Logger Calibration and NIST Certificate FAQs for more information.

If the Maxim Integrated certificate is not sufficient for your needs, iButtonLink also works with an NVLAP accredited lab to provide customized levels of calibration. A sample certificate can be seen here.

NOTE: Maxim Integrated Circuits reliability studies have shown that the device survives a minimum of 1000 cycles of condensation and drying, but this product is not guaranteed for extended use in condensing environments.

Thermochron models vary in the operating temperature range, the amount of memory available for storage, and the accuracy of the temperature reading. Please check out the table below for comparisons with other models, as well as our Thermochron and Hygrochron page for more information.

 

Thermochron and Hygrochron

COMPARISON CHART

Both measure and datalog temperature in various ranges and accuracy.

Hygrochrons measure humidity in addition to temperature.

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

DS1921H

+15°C to +46°C +/- 1°C 0.125°C 2048 1 to 255 min

DS1921Z

-5°C to +26°C +/- 1°C 0.125°C 2048 1 to 255 min

DS1922E

+15°C to +140°C

+/- 1.5°C:  110°C to +140°C
+/-7°C is typical from 15°C to 110°C

Programmable
0.5°C - 8bit / 0.0625°C - 11 bit

8192 - 8 bit or 4096 - 16 bit

1 sec to 273 hrs

DS1922L

-40°C to +85°C

+/- 0.5°C:  -10°C to +65°C
(with software correction)

Programmable
0.5°C - 8bit / 0.0625°C - 11 bit

8192 - 8 bit or 4096 - 16 bit

1 sec to 273 hrs

DS1922T

0°C to +125°C

+/- 0.5°C:  +20°C to +75°C
(with software correction)

Programmable
0.5°C - 8bit / 0.0625°C - 11 bit

8192 - 8 bit or 4096 - 16 bit

1 sec to 273 hrs

DS1923

Hygrochron

-20°C to +85°C

Includes 0 to 100% humidity logger

+/- 0.5°C:  -10°C to +65°C
(with software correction)

Programmable
0.5°C - 8bit / 0.0625°C - 11 bit

8192 - 8 bit or 4096 - 16 bit 1 sec to 273 hrs
NASA is using Thermochrons for the History of Winter program.  Take a look to see some serious Thermochron use!




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