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Specifications
Temperature Range:
-55℃~+125℃
Mfr. Part #:
381
Key Attributes
Model Number:
381
Product Description
Product Overview
This is a pre-wired and waterproofed version of the DS18B20 digital temperature sensor. It is ideal for measuring temperatures in remote locations or wet environments. The sensor offers digital accuracy, eliminating signal degradation over long distances, and provides up to 12 bits of precision. It is compatible with 3.0-5.0V systems and can be connected to a single microcontroller pin, with multiple sensors addressable via their unique 64-bit IDs. A 4.7k ohm pullup resistor is included for setup.
Product Attributes
- Waterproof
- Pre-wired
- Includes 4.7k ohm pullup resistor
Technical Specifications
| Specification | Details |
|---|---|
| Product ID | 381 |
| Sensor Model | DS18B20 |
| Cable Jacket Material | PVC |
| Recommended Max Cable Temperature | 100C |
| Usable Temperature Range (Sensor) | -55 to 125C (-67F to +257F) |
| Resolution | 9 to 12 bit selectable |
| Interface | 1-Wire |
| 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 |
| Cable Length | 36" / 91cm |
| Cable Diameter | 4mm |
| Stainless Steel Tube Dimensions | 6mm diameter by 30mm long |
| Wiring (4-wire sensor) | Red to 3-5V, Black to ground, White to data, Copper to shielding |
| Wiring (3-wire sensor) | Red to 3-5V, Blue/Black to ground, Yellow/White to data |
2504101957_Adafruit-Industries-381_C17606607.pdf
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