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DS1921Z-F5# Thermochron High Res -5 to 26°C

by Maxim Integrated Products


Quantity

We currently have 405 in stock.

Our DS1921Z-F5# is a low-cost, reliable iButton® with a wide temperature range and long battery life. Fit for moderately long logging rates, this simple sensor is perfect for any business looking to track and regulate temperature in their working environment. Applications for this iButton include tracking and regulating fresh produce, medical drugs and supplies, or any other perishable item that needs to be refrigerated.

The DS1921Z-F5# has a temperature range of -5°C to +26°C, with an accuracy of ±1°C. The resolution of this device is 0.125°C. It can read up to 2048 values at a logging rate of 1 minute to 115 minutes.  Battery life information can be found on the DS1921Z-F5# data sheet.

To be used as a Thermochron, the DS1921Z-F5# is an excellent choice in precision and price. 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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