I2C Temperature Humidity Sensor Probe
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Find Best I2C Temperature Humidity Sensor Probe

HENGKO is one of the best suppliers of I2C Temperature Humidity Sensor Probes. Our probes, designed for precision and durability, offer reliable and accurate measurements of both temperature and humidity.

Ideal for various applications, HENGKO’s sensors are highly sought after in industries where environmental monitoring is critical. 

I2C Temperature and Humidity Sensor with Different Design Probe

Versatile I2C Temperature and Humidity Sensors: A Range of Customizable Probes for Every Need.

I2C Temperature and Humidity Sensor with Different Design Probe, like dual navigation, single navigation, Hex screw, knurled waterproof, heat shrink tube, double knurled, silver edge knurled, small hexagonal navigation and six-star probe

Replacement L-Type Probe

Replacement L-Type Design, I2C Humidity Probe for Temperature and Humidity Transmitter

I2C Long Probe Temperature Humidity Integrated Transmitter Option

I2C Long Probe Temperature Humidity Integrated Transmitter is a sophisticated sensing solution designed to deliver precise and reliable measurements of temperature and humidity. This integrated device features a long probe, making it ideal for reaching into narrow or hard-to-access areas while maintaining accuracy and stability in readings.

Let us tell you why you should choose a dew point transmitter from HENGKO

Why Choose Us

HENGKO, a proficient supplier of industrial sensor solutions, stands out with its unique designs and exceptional performance. The range of I2C temperature and humidity sensors and transmitters are extensively utilized across various industries. 

Application included sectors like food and beverage, pharmaceuticals, manufacturing, and environmental monitoring. HENGKO’s products are highly valued for their accuracy, durability, and adaptability, catering to the diverse and demanding needs of these industries.

01

customize

 You can fully customize unique probe design, I2C, I2C signal line, Output, OEM Your Brand etc

02

competitive price

Factory Sales, You will get much lower and competitive price due to our extremely cost-effective control.

03

upgrading products

You will always meet the ever-changing market needs with our keep-upgrading products.

04

marketing support

You will get strong marketing support to help you sell products successfully, material supports include: high resolution product images, cool 3d-effect videos, and a LOT more.

Garnering trust from over 100 globally recognized brands and organizations across various sectors.

OEM YOUR I2C Humidity Sensor

Customize Your Unique I2C Sensor Probe for New Temperature and Humidity Sensors or Transmitters with HENGKO Expert OEM Services.

All About I2C Temperature and Humidity Sensor

What is a I2C Output ? Why Use I2C ?

I2C Output Explained: A Two-Wire Wonder for Connecting Devices

Imagine a bustling city street, but instead of cars and pedestrians, data zips back and forth between buildings. That’s the essence of I2C, a simple yet powerful communication protocol that lets devices talk to each other using just two wires!

What is an I2C Output?

An I2C output is essentially the “loudspeaker” of an I2C device. It’s the channel through which it sends data, like sensor readings, control signals, or even entire blocks of information, to other devices on the same I2C bus. Think of it as the data highway exit where information flows out.

Here’s a breakdown of the I2C output:

  • Physical connection: It typically consists of two wires: Serial Data Line (SDA) and Serial Clock Line (SCL).
  • Typical I2C BUS Connection
  • Data format: Information is sent serially, meaning one bit at a time.
  • Communication direction: While outputs are primarily for sending data, some devices offer bi-directional I2C, allowing them to also receive data on the same lines.
 

Why Use I2C? 

I2C offers several advantages that make it a popular choice for inter-device communication, especially in embedded systems and robotics:

  • Simplicity: Only two wires are needed, reducing wiring complexity and board space. This is a major perk compared to other interfaces like SPI, which often require four or more wires.
  • Flexibility: Multiple devices can share the same I2C bus, allowing for efficient communication between several sensors, actuators, and controllers.
  • Scalability: The protocol can be easily scaled to accommodate different system sizes and complexities.
  • Low power consumption: I2C operates at low voltages and currents, making it ideal for battery-powered applications.
  • Wide range of devices: Numerous I2C-compatible devices are available, from temperature sensors and ADCs to displays and EEPROMs.
 

Here are some specific examples of where you might encounter I2C outputs:

  • Connecting temperature and humidity sensors in a weather station
  • Controlling LEDs and motors in a robot
  • Reading data from a real-time clock chip
  • Communicating with a touchscreen display
 

Overall, I2C outputs provide a versatile and efficient way to connect various devices within a system, making them a cornerstone of modern electronics design.

Anyway, I hope these explanation clarifies the concept of I2C outputs and their role in device communication.

If you have any further questions, feel free to ask!

 

Main Features of I2C Temperature and Humidity Sensor and Transmitter

As Following are some main features of I2C Temperature and Humidity Sensor :

Communication:

  • I2C Interface: Uses just two wires (SDA and SCL) for communication, simplifying wiring and reducing board space.
  • Digital Output: Provides readings in digital format, simplifying integration with microcontrollers and computers.

Performance:

  • Accurate Measurements: Delivers reliable temperature and humidity readings with high accuracy (±0.5°C for temperature, ±3%RH for humidity is common).
  • Fast Response Time: Quickly detects changes in temperature and humidity, enabling real-time monitoring and control.

Versatility:

  • Wide Operating Range: Functions effectively within a broad range of temperatures and humidity levels, making them suitable for diverse environments.
  • Compact Design: Often small and lightweight, allowing for easy integration into tight spaces.

Additional Features:

  • Low Power Consumption: Operates efficiently, making them ideal for battery-powered applications.
  • User-Configurable: Some models offer programmable features like alarm triggers and calibration settings.
  • Environmental Protection: May include features like waterproof enclosures for harsh environments.

Benefits:

  • Simplified Integration: Easy to connect and wire into existing systems using I2C protocol.
  • Reliable Data: Accurate and fast response times provide high-quality data for monitoring and control applications.
  • Versatility: Adaptable to various environments and applications.
  • Cost-Effective: Two-wire interface reduces complexity and often leads to lower overall system costs.

Applications:

  • HVAC systems: Monitor climate conditions for efficient heating and cooling.
  • Agricultural environments: Track temperature and humidity for optimal crop growth.
  • Data centers: Maintain proper temperature and humidity levels for equipment protection.
  • Weather stations: Gather environmental data for weather forecasting.
  • Industrial processes: Monitor and control temperature and humidity in manufacturing and production.

 

These are just some of the main features and benefits of I2C temperature and humidity sensor and transmitters.

Their ease of use, reliable performance, and versatility make them valuable tools for a wide range of applications.

 

Types of I2C Temperature and Humidity Sensor ?

There are several types of I2C temperature and humidity sensors and transmitters, each with its own strengths and weaknesses. Here are some of the most common:

1. Capacitive:

  • Principle: This type uses changes in capacitance between two electrodes caused by variations in humidity to measure humidity. Temperature is often measured with an integrated NTC thermistor.
  • Features: High accuracy, good long-term stability, suitable for wide humidity ranges.
  • Examples: Sensirion SHT2x/3x/4x series, Bosch BME280/680.
    Image of I2C capacitive temperature and humidity sensor
 

2. Resistive:

  • Principle: This type uses a polymer material whose resistance changes with humidity. Temperature is often measured with an integrated NTC thermistor.
  • Features: Lower cost than capacitive sensors, but less accurate and with shorter lifespans.
  • Examples: Honeywell HIH-3610, TE Connectivity HS1101.
    Image of I2C resistive temperature and humidity sensor
 

3. Thermal:

  • Principle: This type uses the change in thermal conductivity of air with humidity to measure humidity. Temperature is often measured with an integrated platinum resistance thermometer (PRT).
  • Features: High accuracy for temperature, often less accurate for humidity, suitable for high-temperature applications.
  • Examples: Texas Instruments TMP117, Sensirion SHTW2.
    Image of I2C thermal temperature and humidity sensor
 

4. Optical:

  • Principle: This type uses infrared light absorption by water vapor to measure humidity. Temperature is often measured with an integrated thermistor or diode.
  • Features: Good accuracy for both temperature and humidity, suitable for long-distance measurements, but more expensive than other types.
  • Examples: Texas Instruments OPT3001, TE Connectivity HS1000.
    Image of I2C optical temperature and humidity sensor
 

5. Combined Temperature and Humidity Sensor:

  • Principle: These sensors combine both temperature and humidity sensing elements into a single package.
  • Features: Compact size, cost-effective, easier to integrate into designs.
  • Examples: Sensirion SHT2x/3x/4x series, Bosch BME280/680.
 

The best type of I2C temperature and humidity sensor or transmitter for you will depend on your specific needs, such as:

  • Accuracy: How precise do your measurements need to be?
  • Range: What range of temperatures and humidity levels do you need to measure?
  • Cost: How much are you willing to spend?
  • Size and power consumption: Does the sensor need to be small and low-power?
  • Environment: Will the sensor be used in a harsh environment?
 

By considering these factors, you can choose the right type of I2C temperature and humidity sensor or transmitter for your project.

 

How to Choose I2C Temperature and Humidity Sensor or Transmitter ?

Selecting the perfect I2C temperature and humidity sensor or transmitter can be a bit tricky with so many options available. But fear not, here’s a guide to help you navigate the jungle of sensors and land on the one that’s just right for your project:

1. Know Your Needs:

  • Accuracy: How precise do your measurements need to be? ±0.5°C for temperature and ±3%RH for humidity are common, but some applications might require higher or lower.
  • Range: What range of temperatures and humidity levels will you be measuring? Standard sensors cover common indoor/outdoor ranges, but consider extremes your environment might face.
  • Response Time: Do you need fast, real-time data, or can you get away with slower updates? Faster response times are crucial for things like control systems.
  • Power Consumption: Are you working with battery-powered systems? Choose sensors with low power consumption to maximize battery life.
  • Size and Budget: What size constraints do you have? How much are you willing to spend?
 

2. Consider the Sensor Type:

  • Capacitive: High accuracy, good stability, wide range, but pricier. Examples: Sensirion SHT2x/3x/4x series, Bosch BME280/680.
  • Resistive: Lower cost, but less accurate and shorter lifespan. Examples: Honeywell HIH-3610, TE Connectivity HS1101.
  • Thermal: High accuracy for temperature, less for humidity, good for high temperatures. Examples: Texas Instruments TMP117, Sensirion SHTW2.
  • Optical: High accuracy for both, long-distance measurement, but expensive. Examples: Texas Instruments OPT3001, TE Connectivity HS1000.
  • Combined: Compact, cost-effective, easy to integrate. Examples: Sensirion SHT2x/3x/4x series, Bosch BME280/680.
 

3. Additional Features:

  • Environmental protection: Waterproofing for harsh environments.
  • User programmability: Configurable alarms, calibration settings.
  • Additional outputs: Some offer pressure or other environmental measurements.
 

4. Check Compatibility:

  • Ensure the sensor’s I2C address and communication protocol match your system.
  • Consider software libraries and driver availability for easy integration.
 

5. Research and Compare:

  • Read reviews and specifications of different sensors that meet your needs.
  • Compare prices and features to find the best value for your project.
 

Tip: Start with popular and reliable brands like Sensirion, Bosch, Texas Instruments, TE Connectivity for initial exploration.

But, choosing the right I2C temperature and humidity sensor is about balancing your specific requirements with the capabilities and limitations of each type. By carefully considering your needs and researching available options, you’ll be able to find the perfect sensor for your project.

4-20ma, I2C and RS485 Which one is the best output for temperature and humidity sensor or transmitter ?

There’s no one-size-fits-all answer to that, as the “best” output for your temperature and humidity sensor or transmitter depends on several factors specific to your application.

So please check some pros and Cons for those 3 kind of output. 

1. 4-20 mA:

  • Pros:
    • Simple and reliable: Well-established standard in industrial automation, making it compatible with existing equipment.
    • Long-distance transmission: Signal can travel hundreds of meters without significant degradation.
    • Noise immunity: Resistant to electrical interference in noisy industrial environments.
    • Power supply over the loop: Sensor can be powered directly from the receiving device, simplifying wiring.
      Image of 420 mA sensor
  • Cons:
    • Limited data: Only transmits one value (usually temperature or humidity) at a time.
    • Lower resolution: Less precise than digital options like I2C and RS485.
    • Requires specific hardware: Need dedicated input channels on the receiving device.

2. I2C:

  • Pros:
    • Simple wiring: Requires only two wires (SDA and SCL), reducing clutter and simplifying installation.
    • Digital communication: Transmits both temperature and humidity data digitally, allowing for higher resolution and accuracy.
    • Multiple sensors: Can daisy-chain multiple sensors on the same bus, reducing wiring complexity.
    • Low power consumption: Suitable for battery-powered applications.
      Image of I2C sensor
  • Cons:
    • Shorter range: Limited to a few meters due to signal attenuation.
    • Less robust: More susceptible to electrical noise than 4-20 mA.
    • Requires software interface: Need software libraries or drivers to interpret data on the receiving device.
 

3. RS485:

  • Pros:
    • Long-distance communication: Can reach up to kilometers with proper cabling and repeaters.
    • Multi-drop network: Connect multiple sensors to a single bus, reducing wiring costs.
    • Higher data rate: Can transmit both temperature and humidity data faster than I2C.
    • Flexible addressing: Allows individual addressing of each sensor on the network.
      Image of RS485 sensor
  • Cons:
    • More complex setup: Requires termination resistors and proper cable selection.
    • Higher cost: Transceiver chips and cabling can be more expensive than other options.
    • Higher power consumption: Not ideal for battery-powered applications.
 

So, which one should you choose?

Here’s a quick guide based on common use cases:

  • Industrial environments with long cable runs: Choose 4-20 mA for its reliability and compatibility with existing infrastructure.
  • Battery-powered applications with multiple sensors: I2C is a good choice for its low power consumption and simplified wiring.
  • Applications requiring high data rates and longer distances: RS485 is ideal for its speed and multi-point communication capabilities.

So, the best output for your temperature and humidity sensor depends on your specific needs and priorities. Consider factors like cable length, data resolution, power consumption, budget, and existing infrastructure to make the most informed decision.

Comparing Outputs for Temperature and Humidity Sensors/Transmitters:

Feature4-20 mAI2CRS485
Data formatAnalogDigitalDigital
Number of wires2  ( we have 4 wires ) 2  ( we have 4 wires ) 2 (plus optional ground)           ( we have 4 wires ) 
Transmission distanceUp to hundreds of metersUp to several metersUp to several kilometers
Noise immunityHighModerateLow
Accuracy/ResolutionModerateHighHigh
Multiple sensorsNo (requires dedicated channels)Yes (daisy-chaining)Yes (multi-drop network)
Power consumptionLowLowModerate
ComplexityLow (existing standard)Moderate (software interface)High (termination resistors, cabling)
CostModerateLowHigh
Ideal for:Industrial environments, long cable runsBattery-powered applications, multiple sensorsHigh data rates, long distances

Frequently Asked Questions

some questions about Dew Point and Transmitter and Sensor you and people like to know

A high dew point means that the air can hold a lot of moisture before it becomes saturated and condensation occurs. In general, a dew point above 60°F (15°C) is considered high. High dew points can make the air feel humid and uncomfortable, especially on a hot day.

An I2C temperature and humidity sensor or transmitter is a device that measures both temperature and humidity levels, and then transmits those values digitally to another device using the I2C communication protocol. Here’s a breakdown of its key aspects:

1. Sensors:

  • It contains both a temperature sensor and a humidity sensor, often integrated into a single package for compactness.
  • Common temperature sensor types include NTC thermistors and PT100s, while humidity sensors can be capacitive, resistive, or thermal.

2. I2C Communication:

  • This two-wire interface simplifies wiring and integrates easily with microcontrollers and computers.
  • It transmits data digitally, offering higher accuracy and resolution compared to analog outputs like 4-20 mA.
  • Multiple I2C sensors can share the same bus, reducing wiring complexity for multi-sensor setups.

3. Output:

  • Typically, the sensor provides digital readings for both temperature and humidity through the I2C interface.
  • Some models may offer additional features like alarm triggers, calibration settings, or even other environmental measurements.

4. Applications:

  • I2C temperature and humidity sensors are versatile and commonly used in various applications, including:
    • HVAC systems for climate control monitoring.
    • Agricultural environments for optimizing crop growth conditions.
    • Data centers for maintaining proper equipment temperature and humidity.
    • Weather stations for gathering environmental data.
    • Industrial processes for temperature and humidity control.

5. Benefits:

  • Simplicity: Easy to integrate with existing systems due to I2C protocol.
  • Accuracy and Resolution: Provides reliable and high-precision data for both temperature and humidity.
  • Versatility: Adaptable to diverse environments and applications.
  • Compactness: Often small and lightweight, making them suitable for tight spaces.
 

Overall, I2C temperature and humidity sensors or transmitters offer a convenient and efficient way to monitor environmental conditions in various applications. And because ease of use, reliable performance, and versatility make them valuable tools for a wide range of projects.

The I2C protocol, pronounced as “eye-squared-C,” is a simple yet powerful serial communication interface used to connect low-speed peripheral devices to microcontrollers and processors. Let’s break it down:

Key features:

  • Serial communication: Data is transferred one bit at a time over two wires – a Serial Data Line (SDA) and a Serial Clock Line (SCL).
  • Master-slave architecture: One device acts as the “master” controlling the communication, while other devices are “slaves” that respond to the master’s requests.
  • Multi-drop interface: Multiple slave devices can share the same I2C bus, reducing wiring complexity.
  • Simple hardware: Requires only two wires and minimal additional circuitry, making it cost-effective and easy to implement.
  • Open-source protocol: Freely available specifications allow any manufacturer to create I2C-compatible devices.

Benefits:

  • Simplicity: Requires less wiring and complex circuitry compared to other interfaces like SPI.
  • Flexibility: Multiple devices can share the same bus, simplifying communication in complex systems.
  • Scalability: Easy to add or remove devices from the bus as needed.
  • Low power consumption: Ideal for battery-powered applications.
  • Wide range of devices: Numerous I2C-compatible sensors, actuators, memory chips, and other peripherals are available.

Applications:

  • Embedded systems: Connecting sensors, displays, buttons, and other peripherals to microcontrollers.
  • Mobile devices: Communicating with internal sensors and peripherals.
  • Industrial automation: Connecting instruments, controllers, and actuators in factory environments.
  • Consumer electronics: Controlling buttons, LEDs, and other components in devices like TVs and cameras.

I2C is a versatile and user-friendly communication protocol that simplifies connecting various devices within a system. Its simplicity, flexibility, and low power consumption make it a popular choice for a wide range of applications.

Absolutely, HENGKO is fully capable of customizing probes according to your specific design or monitoring requirements, especially metal probes for temperature and humidity sensors suited for extremely harsh environments.

So If your project requires such specialized solutions, don’t hesitate to contact HENGKO today.

Need Help ?

Contact HENGKO Today for Any Questions for Temperature and Humidity Sensor, Transmitter and Solution

+(86) 0755-28502380

sales@hengkometer.com

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