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Specifications
Temperature Range:
-55℃~+125℃
Mfr. Part #:
642
Key Attributes
Model Number:
642
Product Description
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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