DS1921G iButton® Thermochron® [DS1921G-F5] : techbits

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DS1921G iButton® Thermochron®

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A$46.95
(inc GST)

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Model: DS1921G-F5

Ship Weight: 5 g

Availability: In Stock

The DS1921G "Thermochron" iButton is a rugged, self-sufficient temperature data-logger that has an internal 3-volt Lithium battery, RAM, ROM, Real-Time-Clock (RTC), temperature sensor and a unique and unalterable laser-etched address.

The device measures temperature and records the result in a protected memory section. The recording is done at a user-defined rate, both as a direct storage of temperature values as well as in the form of a histogram.

Up to 2048 temperature values taken at equidistant intervals ranging from 1 to 255 minutes can be stored. The histogram provides 63 data bins with a resolution of 2.0°C.

If the temperature leaves a user-programmable range, the DS1921G will also record when this happened, for how long the temperature stayed outside the permitted range,and if the temperature was too high or too low.

When logging is complete, data is downloaded to a PC via a 1-Wire™ interface using an iButton probe and 1-Wire to USB or COM port adapter.

Rugged 16mm stainless-steel can
Measures temperature in 0.5°C increments
Temperature range -40°C to +85°C
Accuracy ±1°C from -30°C to +70°C
Accuracy ±1.3C from -40°C to +85°C
RTC accuracy of ±2 minutes per month
User-programmable intervals from 1 to 255 minutes
Logs up to 2048 consecutive temperature measurements
Programmable high and low alarm trip points
Records up to 24 time stamps and durations for alarm trip points

Thermochron, iButton, and 1-Wire are registered trademarks of Dallas Semiconductor.

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