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Temperature Sensors
  • Digital temperature sensor rj12 ds18b20
  • Digital temperature sensor rj12 ds18b20
  • Digital temperature sensor rj12 ds18b20
  • Digital temperature sensor rj12 ds18b20
  • Digital temperature sensor rj12 ds18b20
  • Digital temperature sensor rj12 ds18b20
Digital temperature sensor rj12 ds18b20

Digital temperature sensor rj12 ds18b20

$2.35-$10.00/ Piece|10 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 2000 pieces）
Customized packaging（Min.Order: 2000 pieces）
Graphic customization（Min.Order: 2000 pieces）
View product details

Digital temperature sensor rj12 ds18b20

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Precision Temperature Measurement: The DS18B20 sensor delivers accurate temperature readings with ±0.5°C precision, ideal for monitoring environments requiring reliable data.
  • Digital Output & 1-Wire Interface: Provides precise digital signals via a 1-wire communication protocol, simplifying integration into microcontroller systems like Arduino or Raspberry Pi.

Key features

  • 1. Robust Semiconductor Core for Extreme Environments

    • With a precision-engineered semiconductor sensor, the DS18B20 maintains accurate temperature readings across a wide range of -55°C to +125°C, outperforming standard analog sensors in harsh industrial or outdoor settings*.

  • 2. Simplified 1-Wire Digital Interface

    • With the 1-Wire protocol, connect and manage multiple sensors on a single data line, reducing wiring complexity by up to 70% compared to traditional analog systems*.

  • 3. High-Precision Digital Output

    • With ±0.5°C accuracy at 25°C, achieve 50% higher precision than conventional analog sensors, ensuring reliable data for critical applications like industrial monitoring or lab research*.

  • 4. Versatile Scenario Adaptability

    • Designed for both home automation (e.g., smart thermostats) and industrial use (e.g., equipment monitoring), this sensor seamlessly adapts to environments ranging from residential to extreme industrial conditions*.

  • 5. Compliance with Industry Standards

    • Built to meet global safety and quality standards (e.g., RoHS compliance), ensuring reliability for professional and consumer applications*

Product details

Digital temperature sensor rj12 ds18b20

The DS18B20 digital temperature sensor with an RJ12 connector combines precision, durability, and modularity for reliable temperature monitoring in diverse environments. Its coiled design ensures space efficiency, while the rugged plastic housing and RJ12 interface enable easy integration into industrial, HVAC, or IoT systems.

Technical specifications

FeatureSpecificationBenefit
Temperature Range-55°C to +125°COperates in extreme environments
ResolutionProgrammable 9-12 bits (0.5°C to 0.0625°C)High precision for critical applications
Communication1-Wire digital interfaceSimplifies single-pin microcontroller connections
Accuracy±0.5°C (0°C to +70°C)Ensures reliable data for calibration
Connector TypeRJ12 modular connectorQuick plug-and-play installation
MaterialDurable polyethylene cable housingResists abrasion and environmental stress

Customization guide

Adjustable parameters:

  • Cable length (cut-to-fit for space-constrained setups)
  • Connector type (RJ12 to alternative interfaces via adapters)
  • Resolution settings (optimize power vs. precision trade-offs)

Get inspired

The DS18B20’s coiled design and modular RJ12 connector make it ideal for retrofitting legacy systems or embedding in IoT networks. With its wide temperature range and 1-Wire protocol, it’s a versatile choice for smart thermostats, industrial machinery, or environmental monitoring stations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Temperature Range-55°C to +125°C-55°C to +125°C-55°C to +150°C*
Accuracy±0.5°C±0.3°C±0.2°C
Waterproof RatingIP20IP67IP68
Operating Voltage3.0V to 5.5V3.0V to 5.5V2.5V to 5.5V
Connector LockStandard snap-fitScrew-lockMagnetic + screw-lock

Supplier's note

  1. Technical Breakthroughs:

    • The 1-Wire interface reduces wiring complexity by enabling daisy-chaining of multiple sensors on a single bus.
    • ±0.5°C accuracy (vs. ±3°C in older analog sensors) ensures reliable data for precision applications.
    • -55°C to +125°C range outperforms standard sensors limited to 0°C–100°C, expanding use cases like cold storage monitoring.

  2. Optimal Version Selection:

    • Base Model: Ideal for home automation or basic IoT projects where cost and simplicity are priorities.
    • Advanced Model: Suitable for industrial HVAC systems needing IP67 waterproofing and improved accuracy.
    • Pro Model: Best for extreme environments (e.g., automotive, aerospace) requiring IP68 sealing and low-voltage operation.

With the Pro Model’s expanded temperature range, you can monitor industrial ovens or cryogenic storage units without recalibration. Pair its magnetic connector with ruggedized enclosures to ensure secure connections in vibration-prone settings.

Frequently asked questions

  • Which digital temperature sensor is best for industrial automation systems?

  • How do I clean and maintain the DS18B20 sensor for longevity?

  • What materials make the DS18B20 sensor durable for harsh conditions?

  • Can the RJ12 cable of the DS18B20 be customized for my project?

  • Is the DS18B20 FDA-approved for food processing temperature monitoring?

  • Why choose the DS18B20 over analog sensors for precision applications?

  • How does the DS18B20 handle extreme temperature fluctuations?

  • What applications use the DS18B20 digital temperature sensor?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Thermocouple (Industry Standard)Industrial furnaces, automotive enginesAnalog output, temp range: -200°C to 1350°C (ASTM E230), accuracy ±2.2°C (IEC 60584)Rugged, withstands extreme temperatures, no power required for sensingRequires cold junction compensation, analog signal prone to noise
RTD (Industry Standard)HVAC systems, laboratory equipmentPlatinum resistance, range: -200°C to 850°C (DIN EN 60751), accuracy ±0.15°CHigh precision, long-term stability, no driftExpensive, slower response time (5-10 seconds), complex calibration
Analog Sensor (Industry Standard)Consumer electronics, appliancesAnalog output, range: -55°C to 150°C (IEC 60751), accuracy ±1°CLow cost, simple interfaceLimited accuracy, no digital features, requires analog-to-digital conversion
Our Base Model (DS18B20)Home automation, IoT devicesDigital output (1-Wire), range: -55°C to 125°C (ISO 17025), accuracy ±0.5°C ▲0.35°CEasy integration, low power consumption, parasitic power optionNarrower range than thermocouples, requires digital interface
Our Advanced ModelIndustrial monitoring, precision toolsDigital output, range: -100°C to 200°C (▲75°C over Base), accuracy ±0.2°C ▲0.3°CEnhanced precision, wider temperature range, faster response (0.75s)Higher cost, complex setup for extreme environments
Competitor Digital Sensor (DS1820)Basic industrial controlDigital output, range: -55°C to 125°C, accuracy ±0.5°CComparable to Base model, widely adoptedNo tiered upgrades, lacks advanced features like wider range or faster response

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