Application OF DS18B20 SENSOR
The sensor provides temperature readings from -55°C to +125°C, with an accuracy of ±0.5°C in the -10°C to +85°C range. Its digital output eliminates the need for external analog-to-digital conversion, making it ideal for microcontroller-based applications, such as Arduino, Raspberry Pi, ESP32, and other IoT development platforms.
🌍 Applications of DS18B20 Sensor
1. 🏭 Industrial Automation
Used in industrial control systems, the DS18B20 sensor provides precise temperature monitoring for machinery, equipment, and process control, improving reliability and operational safety.
2. 🧪 Scientific and Laboratory Equipment
Perfect for lab instruments requiring stable and accurate temperature tracking in incubators, water baths, or test chambers.
3. 🌿 Smart Agriculture
Supports temperature monitoring in greenhouses, soil sensing, livestock management, and environmental control systems, enhancing productivity and sustainability.
4. 🏠 Smart Home and HVAC Systems
Integrated into smart thermostats, heating systems, air conditioners, and home IoT devices for efficient and automated temperature regulation.
5. 💧 Liquid and Environmental Monitoring
With waterproof options, it’s widely used for water tank monitoring, aquarium systems, weather stations, and environmental sensing applications.
⚙️ Key Features
Wide temperature range: -55°C to +125°C
High accuracy: ±0.5°C (typical)
1-Wire interface — supports multiple sensors on a single line
Digital signal output, noise-resistant
Low power consumption, ideal for battery-powered or remote IoT devices
Available in waterproof probe type and TO-92 package
DS18B20 Sensor Product Introduction
The DS18B20 sensor is a high-precision digital temperature sensor designed for accurate and stable temperature measurement in a wide range of environments. Using 1-Wire digital communication, it allows multiple sensors to operate on a single data line, simplifying installation and reducing wiring costs.
DS18B20 Temperature Sensor for Industrial Equipment & Refrigeration Systems
DS18B20 Temperature Sensor for Industrial Equipment & Refrigeration Systems
The DS18B20 sensor is a low-cost, high-reliability digital 1-Wire temperature probe providing accurate readings from -55°C to +125°C. With waterproof stainless-steel probe options and addressable 1-Wire topology, the DS18B20 sensor is widely used in food processing, cold chain logistics, refrigerated trucks, industrial refrigeration and IoT monitoring systems.
Request Fast Quotation
(Replace the image src above with your DS18B20 waterproof probe photo.)
Why Choose the DS18B20 Sensor
The DS18B20 sensor stands out for simplicity of integration and robustness in harsh environments. Its addressable 1-Wire bus allows multiple sensors on a single data line, while waterproof probe options make the DS18B20 sensor suitable for immersion, refrigerated environments and outdoor installations.
- Waterproof stainless-steel probe options for liquid immersion and outdoor use
- Digital 1-Wire output — multiple DS18B20 sensors on a shared data line
- High accuracy (±0.5°C typical) and adjustable resolution (9–12 bit)
- Wide operating voltage (3.0V–5.5V) — compatible with Arduino, ESP32, Raspberry Pi
- Low cost, easy deployment for cold chain and HACCP monitoring
Applications — Food, Cold Chain & Refrigeration
The DS18B20 sensor is widely used where precise temperature data and logging are required. Typical application areas include:
- Food processing: HACCP monitoring, processing line temperature validation, oven and cooler checks.
- Cold chain logistics: Reefer container monitoring, refrigerated truck datalogging, transit temperature alarms.
- Refrigeration & HVAC: Evaporator/condenser temperature monitoring, remote sensor nodes for optimization.
- Pharma & medical cold storage: Vaccine refrigerators, lab freezers and storage cabinets.
- Industrial tanks & liquids: Chemical and resin storage temperature monitoring with waterproof probes.
- Smart agriculture: Greenhouse and soil temperature sensing integrated to IoT platforms.
- Outdoor IoT networks: Weather stations and remote environmental monitoring (waterproof probes).
DS18B20 Sensor Technical Specifications
Temperature Range
-55°C ~ +125°C
Accuracy
±0.5°C (-10°C to +85°C)
Output Type
Digital 1-Wire (addressable)
Operating Voltage
3.0V to 5.5V
Resolution
9-bit to 12-bit adjustable
Probe Options
Epoxy-sealed / Stainless steel waterproof probe (various lengths)
Note: Use a 4.7kΩ pull-up resistor between DATA and VCC for standard 1-Wire installations. For long runs, consider bus topology and shielding.
DS18B20 Sensor Wiring Diagram (Standard)
RED -----> VCC (3.3V / 5V)
YELLOW-----> DATA (1-Wire)
BLACK -----> GND
Data pin requires a pull-up resistor (4.7kΩ) to VCC. Multiple DS18B20 sensors can share the same DATA line (each with a unique address).
Tip: For deployments inside refrigerated trucks, route sensor cable away from compressors and use shielded cable for long runs.
Related
Browse our product family: Temperature Sensors category — (NTC thermistors, PT100 RTDs, thermocouples and probe variants will be added here).
Request Quotation or Technical Support
Tell us quantity, probe type (epoxy / stainless), cable length and deployment environment (food / cold chain / refrigeration). Typical response within 12 hours.
Amy | +86 18883188154 | amy-easewise@tzheater.com
Hanna | +86 17351636811 | hanna-easewise@tzheater.com
Phone & WhatsApp available 09:00–18:00 (Beijing Time). For urgent technical support include environment details and sample logs if possible.
FAQ about DS18B20 Sensor
Q1: Is DS18B20 sensor suitable for food processing environments?
A: Yes — use the stainless-steel waterproof probe and food-grade cable; follow HACCP cleaning & IP rating requirements.
Q2: Can multiple DS18B20 sensors share one data pin?
A: Yes — DS18B20 uses 1-Wire and supports many sensors on a single DATA line via unique addresses.
Q3: What pull-up resistor is recommended?
A: Use a 4.7kΩ pull-up resistor between DATA and VCC; for long cables consider reducing resistor value or using bus repeaters.
Q4: Can DS18B20 be used in refrigerated trucks?
A: Yes — waterproof probe variants are suitable for reefer monitoring and in-transit datalogging.
Q5: What is the power requirement?
A: DS18B20 supports 3.0V–5.5V — works with 3.3V or 5V MCU systems (ESP32, Arduino, Raspberry Pi).
Q6: How often can it sample temperature?
A: Conversion time depends on resolution; 12-bit conversion is ~750ms — reduce resolution for faster sampling.
Q7: Is there a waterproof immersion option?
A: Yes — epoxy-sealed and stainless-steel probes are available for immersion and tank monitoring.
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DS18B20 Temperature Sensor for Industrial Equipment & Refrigeration Systems
The DS18B20 sensor is a low-cost, high-reliability digital 1-Wire temperature probe providing accurate readings from -55°C to +125°C. With waterproof stainless-steel probe options and addressable 1-Wire topology, the DS18B20 sensor is widely used in food processing, cold chain logistics, refrigerated trucks, industrial refrigeration and IoT monitoring systems.
Request Fast Quotation
(Replace the image src above with your DS18B20 waterproof probe photo.)
Why Choose the DS18B20 Sensor
The DS18B20 sensor stands out for simplicity of integration and robustness in harsh environments. Its addressable 1-Wire bus allows multiple sensors on a single data line, while waterproof probe options make the DS18B20 sensor suitable for immersion, refrigerated environments and outdoor installations.
- Waterproof stainless-steel probe options for liquid immersion and outdoor use
- Digital 1-Wire output — multiple DS18B20 sensors on a shared data line
- High accuracy (±0.5°C typical) and adjustable resolution (9–12 bit)
- Wide operating voltage (3.0V–5.5V) — compatible with Arduino, ESP32, Raspberry Pi
- Low cost, easy deployment for cold chain and HACCP monitoring
Applications — Food, Cold Chain & Refrigeration
The DS18B20 sensor is widely used where precise temperature data and logging are required. Typical application areas include:
- Food processing: HACCP monitoring, processing line temperature validation, oven and cooler checks.
- Cold chain logistics: Reefer container monitoring, refrigerated truck datalogging, transit temperature alarms.
- Refrigeration & HVAC: Evaporator/condenser temperature monitoring, remote sensor nodes for optimization.
- Pharma & medical cold storage: Vaccine refrigerators, lab freezers and storage cabinets.
- Industrial tanks & liquids: Chemical and resin storage temperature monitoring with waterproof probes.
- Smart agriculture: Greenhouse and soil temperature sensing integrated to IoT platforms.
- Outdoor IoT networks: Weather stations and remote environmental monitoring (waterproof probes).
DS18B20 Sensor Technical Specifications
| Temperature Range | -55°C ~ +125°C |
| Accuracy | ±0.5°C (-10°C to +85°C) |
| Output Type | Digital 1-Wire (addressable) |
| Operating Voltage | 3.0V to 5.5V |
| Resolution | 9-bit to 12-bit adjustable |
| Probe Options | Epoxy-sealed / Stainless steel waterproof probe (various lengths) |
Note: Use a 4.7kΩ pull-up resistor between DATA and VCC for standard 1-Wire installations. For long runs, consider bus topology and shielding.
DS18B20 Sensor Wiring Diagram (Standard)
RED -----> VCC (3.3V / 5V)
YELLOW-----> DATA (1-Wire)
BLACK -----> GND
Data pin requires a pull-up resistor (4.7kΩ) to VCC. Multiple DS18B20 sensors can share the same DATA line (each with a unique address).
Tip: For deployments inside refrigerated trucks, route sensor cable away from compressors and use shielded cable for long runs.
Related
Browse our product family: Temperature Sensors category — (NTC thermistors, PT100 RTDs, thermocouples and probe variants will be added here).
Request Quotation or Technical Support
Tell us quantity, probe type (epoxy / stainless), cable length and deployment environment (food / cold chain / refrigeration). Typical response within 12 hours.
Amy | +86 18883188154 | amy-easewise@tzheater.com
Hanna | +86 17351636811 | hanna-easewise@tzheater.com
Phone & WhatsApp available 09:00–18:00 (Beijing Time). For urgent technical support include environment details and sample logs if possible.
FAQ about DS18B20 Sensor
Q1: Is DS18B20 sensor suitable for food processing environments?
A: Yes — use the stainless-steel waterproof probe and food-grade cable; follow HACCP cleaning & IP rating requirements.
Q2: Can multiple DS18B20 sensors share one data pin?
A: Yes — DS18B20 uses 1-Wire and supports many sensors on a single DATA line via unique addresses.
Q3: What pull-up resistor is recommended?
A: Use a 4.7kΩ pull-up resistor between DATA and VCC; for long cables consider reducing resistor value or using bus repeaters.
Q4: Can DS18B20 be used in refrigerated trucks?
A: Yes — waterproof probe variants are suitable for reefer monitoring and in-transit datalogging.
Q5: What is the power requirement?
A: DS18B20 supports 3.0V–5.5V — works with 3.3V or 5V MCU systems (ESP32, Arduino, Raspberry Pi).
Q6: How often can it sample temperature?
A: Conversion time depends on resolution; 12-bit conversion is ~750ms — reduce resolution for faster sampling.
Q7: Is there a waterproof immersion option?
A: Yes — epoxy-sealed and stainless-steel probes are available for immersion and tank monitoring.