Description: 1. Overview: DS18B20 is a popular digital temperature sensor from Maxim Integrated, specifically designed for waterproof applications. Its probe is suitable for various environments including aquariums, pools, and industrial processes where temperature measurement in water is necessary. 2. Features: DS18B20 offers high accuracy with a typical error of ±0.5°C, measuring temperatures from -55°C to +125°C. It has a digital interface that communicates using the One-Wire bus (also known as Dallas 1-Wire), which allows easy integration and minimal wiring requirements. 3. Waterproof: The DS18B20 probe is fully encapsulated in stainless steel or ceramic material, ensuring complete protection against water ingression, making it ideal for immersion measurements. 4. Ease of Use: This sensor is simple to use and integrates easily with microcontrollers or systems supporting the One-Wire communication protocol. No external power source is required; temperature readings are transmitted via the da
| Specification | Details |
|---|---|
| Temperature Range | -55°C to 125°C |
| Accuracy | ±0.5°C (±1°C in extreme environments) |
| Resolution | 9-bit or 12-bit ( selectable by software) |
| Power Consumption | 2.5 mW typical 4.7 μA at sleep mode |
| Operating Voltage | 3.0V to 5.5V |
| Sensor Type | Digital thermistor |
| Waterproof Rating | IP68 (dust-proof and waterproof up to 20m) |
| Probe Length | 80mm |
| Probe Diameter | 4mm |
| Operating Conditions | -55°C to 125°C humidity: 0% to 100% |
| Storage Temperature | -40°C to 150°C |
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