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Datalogger iButton DS1922E
Product Description
iButton Datalogger DS1922E : 15 to 140 C
Description:
The DS1922E temperature logger iButton is a rugged, self-sufficient system that measures temperature and records the result in a protected memory section. The recording is done at a user-defined rate. A total of 8192 8-bit readings or 4096 16-bit readings, taken at equidistant intervals ranging from 1s to 273hr, can be stored. Additionally, 576 bytes of SRAM store application-specific information. A mission to collect data can be programmed to begin immediately, after a user-defined delay, or after a temperature alarm. Access to the memory and control functions can be password protected. The DS1922E is configured and communicates with a host-computing device through the serial 1-Wire® protocol, which requires only a single data lead and a ground return. Every DS1922E is factory lasered with a guaranteed unique 64-bit registration number that allows for absolute traceability. The durable stainless-steel package is highly resistant to environmental hazards such as dirt, moisture, and shock.
Specifications:
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iButton Size
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F5 – 5mm
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Operating Temperature
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+15°C to +140°C
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Temperature Accuracy
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± 1.5°C: +110°C to +140°C (±7°C typical: +15°C to +110°C)
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Temperature Resolution
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Programmable: 0.0625°C to 0.5°C
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Storage Temperature
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+15°C to +140°C Storage or operation above +50°C significantly reduces battery life. (Note 21 on DS1922E Spec Sheet)
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Log Memory Size
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8K Bits
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Memory Type
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NV SRAM
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Logging Rate
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Programmable: 1 sec to 273 hrs
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General Purpose Memory
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512 Bytes Read/Write
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Logging Capacity
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4096 – 8192 Readings, Depending on Resolution
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Alarm Support
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High/Low Temperature Alarms
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Shelf life with battery installed
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10+ years
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Family Code
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0x41
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Unique ID
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Yes – Factory Set 64 Bit Serial #
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| Country | U.S.A. |
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