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Digital Temperature Sensor DS18B20 with 12 Bit Resolution and Waterproof Design Adafruit Industries 642

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Digital Temperature Sensor DS18B20 with 12 Bit Resolution and Waterproof Design Adafruit Industries 642

Temperature Range : -55℃~+125℃

Description : -55℃~+125℃ Thermocouples, Temperature Probes RoHS

Mfr. Part # : 642

Model Number : 642

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Product Overview

This is a pre-wired and waterproofed DS18B20 digital temperature sensor featuring a PTFE wire cable, ideal for measurements in wet conditions or at remote locations. Its digital signal ensures no degradation over long distances. The sensor offers precision (0.5C over much of the range) and up to 12-bit resolution. It is compatible with microcontrollers using a single digital pin and supports multiple sensors on the same pin, each with a unique 64-bit ID. Usable with 3.0-5.0V systems. A 4.7k resistor is included for pull-up configuration.

Product Attributes

Brand: Adafruit
Origin: Engineered in NYC
Cable Material: PTFE wire
Probe Material: Stainless steel #316

Technical Specifications

Specification	Details
Product ID	642
Sensor Model	DS18B20
Cable Length	Approx. 3 ft / 90cm
Probe Dimensions	6mm diameter by ~30mm long (size may vary)
Wire Colors	Orange Stripe (3-5V), White (Ground), Blue Stripe (Data)
Usable Temperature Range (Sensor)	-55 to 125C (-67F to +257F)
Selectable Resolution	9 to 12 bit
Interface	1-Wire (requires one digital pin)
Unique ID	64-bit burned into chip
Accuracy	0.5C from -10C to +85C
Alarm System	Temperature-limit alarm
Query Time	Less than 750ms
Operating Voltage	3.0V to 5.5V (power/data)
Included Accessory	4.7k resistor (pull-up)

2504101957_Adafruit-Industries-642_C17487561.pdf

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