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Αισθητήρας Θερμοκρασίας DS18B20 Αδιάβροχος

Temperature Sensor - Waterproof (DS18B20)

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11-00010420

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Description
Specifications

This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface. The DS18B20 provides 9 to 12-bit (configurable) temperature readings over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor.

NOTES

Usually a 4.7Kohm resistor is required to connect to a microcontroller.
Exactly the same sensor in technical characteristics as the DS18B20 housed in a metal housing.

Temperature measuring range -55...125°C (–67°F to +257°F)
Temperature measurement accuracy: ±0.5°C (–10°C to +85°C)
Working Voltage: 3.0V - 5.5V
Case TO92

Mounting THT
Probe is 7mm in diameter and roughly 26mm long.
Overall length (including wire) is 100cm.

Unique 1-Wire® interface requires only one port pin for communication
Each device has a unique 64-bit serial code stored in an onboard ROM
Multidrop capability simplifies distributed temperature sensing applications
Requires no external components
Thermometer resolution is user-selectable from 9 to 12 bits

Converts temperature to 12-bit digital word in 750ms (max.)
User-definable nonvolatile (NV) alarm settings
Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system