Description
All iButtons from iButtonlink come with our Basic ExactLog Software License, free of charge!
About the DS1921H-F5# iButton
Our DS1921H-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 the temperature in their working environment. Applications for this iButton include tracking and regulating human or animal temperatures, and processes such as painting and curing.
The DS1921H-F5# iButton has a temperature range of 15°C to +46°C, with an accuracy of ±1°C. The resolution of this device is 0.125°C. It can also read up to 2048 values at a logging rate of 1 minute to 255 minutes. Battery life information can be found on the DS1921H-F5# data sheet.
To be used as a Thermochron, the DS1921H-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 iButton models, as well as our Thermochron and Hygrochron page for more information
Calibration
This product does not come pre-calibrated. If you would like to calibrate this product and get the most out of your iButtons, we suggest adding our 3-Point Accredited Temperature Calibration. When you choose our calibrated iButtons, they will become part of a chain of traceability back to the National Institute of Standards and Technology. What does this mean for you?
- Proven accuracy
- Calibrated to industry leading .02°C Uncertainty
- Verified equipment quality
- Compliance with medical standards
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Thermochron and Hygrochron COMPARISON CHART Both measure and datalog temperature in various ranges and accuracy. Hygrochrons measure humidity in addition to temperature. |
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Model |
Temperature Range | Accuracy | Resolution | Values / Readings | Logging Rate |
| -40°C to +85°C |
+/- 1°C: -30°C to +70°C |
0.5°C | 2048 | 1 to 255 min | |
| +15°C to +46°C | +/- 1°C | 0.125°C | 2048 | 1 to 255 min | |
| -5°C to +26°C | +/- 1°C | 0.125°C | 2048 | 1 to 255 min | |
| +15°C to +140°C |
+/- 1.5°C: 110°C to +140°C |
Programmable |
8192 - 8 bit or 4096 - 16 bit |
1 sec to 273 hrs | |
| -40°C to +85°C |
+/- 0.5°C: -10°C to +65°C |
Programmable |
8192 - 8 bit or 4096 - 16 bit |
1 sec to 273 hrs | |
| 0°C to +125°C |
+/- 0.5°C: +20°C to +75°C |
Programmable |
8192 - 8 bit or 4096 - 16 bit |
1 sec to 273 hrs | |
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Hygrochron |
-20°C to +85°C Includes 0 to 100% humidity logger |
+/- 0.5°C: -10°C to +65°C |
Programmable |
8192 - 8 bit or 4096 - 16 bit | 1 sec to 273 hrs |
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