DS18B20 Waterproof Digital Temperature Sensor is a high-precision temperature sensor designed for a wide range of applications, including industrial automation, home appliances, environmental monitoring, and DIY electronics. Its waterproof stainless steel probe design ensures durability and reliable performance even in wet or humid environments, making it a versatile choice for both professional and hobbyist projects.
Equipped with the popular 1-Wire digital interface, the DS18B20 provides accurate temperature readings while simplifying wiring and connectivity. Compatible with microcontrollers like Arduino, Raspberry Pi, ESP8266, and ESP32, this sensor allows seamless integration into any digital system for real-time temperature monitoring and control.
Key Features of DS18B20 Waterproof Digital Temperature Sensor
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High Accuracy and Precision
Provides precise temperature measurements with an accuracy of ±0.5°C over a wide range of -10°C to +85°C, and a total operating range of -55°C to +125°C. -
Waterproof Design
Encased in a stainless steel probe with silicone-sealed cable, ensuring protection against water, moisture, and environmental contaminants. -
Digital 1-Wire Interface
Uses a single data line (plus GND and VCC) for communication, reducing wiring complexity and allowing multiple sensors to be connected to the same microcontroller pin. -
Wide Temperature Range
Perfect for applications that require measurements in both extreme heat and cold environments, from -55°C to +125°C. -
High Reliability and Stability
Stable readings over time due to precision sensing elements and robust waterproof construction. -
Versatile Compatibility
Works with Arduino, Raspberry Pi, ESP8266, ESP32, STM32, and other microcontroller platforms with libraries readily available. -
Compact and Durable
Small probe diameter allows insertion in tight spaces, while the stainless steel construction ensures longevity even in harsh environments. -
Multiple Sensor Support
The 1-Wire protocol enables multiple DS18B20 sensors to be connected on a single bus, simplifying monitoring of multiple points simultaneously.
Technical Specifications – DS18B20 Waterproof Temperature Sensor
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Sensor Type: Digital Temperature Sensor
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Model: DS18B20
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Waterproof Probe: Stainless steel tube
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Probe Diameter: ~6 mm (standard)
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Probe Length: Typically 25–50 mm (varies by manufacturer)
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Cable Length: Typically 1 meter (customizable)
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Operating Temperature: -55°C to +125°C
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Measurement Range: -10°C to +85°C (±0.5°C accuracy)
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Resolution: Programmable from 9-bit to 12-bit (0.5°C to 0.0625°C)
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Interface: 1-Wire digital
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Supply Voltage: 3.0–5.5V DC
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Response Time: Fast response for real-time monitoring
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Operating Humidity: 0–100% RH (waterproof design ensures durability)
Applications of DS18B20 Waterproof Digital Temperature Sensor
The DS18B20 Waterproof Digital Temperature Sensor is widely used in various sectors due to its accuracy, durability, and ease of integration:
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Industrial Automation
Monitor temperature in machinery, motors, HVAC systems, and industrial tanks with high reliability. -
Home Automation & IoT
Perfect for smart home systems, including climate control, thermostats, and weather stations. -
Environmental Monitoring
Ideal for monitoring water tanks, aquariums, soil, and outdoor temperature in all weather conditions. -
3D Printing & CNC Machines
Ensures precise temperature control in extruders, heated beds, and industrial processes. -
Food & Beverage Industry
Track temperatures in refrigerators, freezers, and storage tanks safely and reliably. -
DIY Electronics & Education
Widely used in Arduino, Raspberry Pi, and microcontroller projects for learning and prototyping. -
Medical & Laboratory Equipment
Suitable for temperature monitoring in laboratory experiments, incubation devices, and refrigeration units.
Why Choose DS18B20 Waterproof Digital Temperature Sensor?
The DS18B20 Waterproof Digital Temperature Sensor combines high accuracy, robust construction, and easy integration into a compact and durable package. Its waterproof stainless steel probe ensures long-term reliability in wet or harsh conditions, while the digital 1-Wire interface allows for simple wiring and multiple sensor deployment. Ideal for professional, industrial, or hobbyist applications, this sensor is a reliable solution for temperature measurement and monitoring projects of any scale.
Upgrade your system with the DS18B20 Waterproof Digital Temperature Sensor and enjoy precise, durable, and hassle-free temperature monitoring in every project.
Package Includes:
1 x DS18B20 Waterproof Digital Temperature Sensor
FAQ
1. Where can we buy this DS18B20 Waterproof Digital Temperature Sensor?
This product is available online https://aiiottech.in/product/ds18b20-waterproof-digital-temperature-sensor/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this DS18B20 Waterproof Digital Temperature Sensor after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
Video Link: DS18B20 Water Proof Temperature Sensor




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