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Precision Monitoring for Optimal Industrial Performance and Environmental Control
Understand your key factors for selecting the ideal temperature and humidity transmitter for precise industrial environmental monitoring across diverse applications.
Key Industrial Conditions to Consider:
Choosing the right temperature and humidity transmitter for these unique industrial conditions ensures reliable, accurate monitoring tailored to each application’s demands.
HENGKO offers comprehensive solutions for monitoring temperature and humidity across a wide range of industrial conditions. Whether you’re dealing with high temperatures, high humidity, corrosive environments, or challenging conditions like dust, pressure, or remote locations, HENGKO provides reliable, high-precision monitoring systems tailored to your needs.
Our advanced solutions help you maintain optimal working environments, protect equipment, and ensure the quality and consistency of your products, supporting seamless operation in even the most demanding industries.
HENGKO supply kinds of temperature and humidity sensor, transmitter to help you monitor the data of your environment and you can easy to adjust your solution based on the temperature, humidity, dew point etc
HENGKO provides a wide array of temperature and humidity sensors for applications including industrial processes, HVAC systems, data centers, and more. These sensors offer precise and reliable readings, vital for optimal conditions in various settings like food storage, pharmaceuticals, agriculture, healthcare, and wine cellars. They are crucial for climate control, product preservation, and environmental monitoring in diverse industries.
So many kinds of environment applications need to use temperature and humidity sensor and transmitter, how to choose ? What data you should care ? Check as following Guildline.
| Measurement Range: | 0 to 100% RH |
| Typical Accuracy (0 to +40°C): | A: 0 to 90% RH: ±3% RH B: 90 to 100% RH: ±5% RH |
| Typical Accuracy (-40 to 0°C and +40 to +60°C): | A: 0 to 90% RH: ±5% RH B: 90 to 100% RH: ±7% RH |
Relative Humidity Range refers to the spectrum of humidity levels that a particular environment or space can experience, expressed as a percentage. In more technical terms:
Definition: Relative humidity (RH) is the ratio of the current absolute humidity to the highest possible absolute humidity at a given temperature. This ratio is usually expressed as a percentage. It essentially indicates how close the air is to being saturated with water vapor.
Range: The relative humidity range is the span between the lowest and highest humidity levels that can occur in a given setting. For instance, in a desert, the RH range might be from very low (e.g., 10%) to moderately high (e.g., 50%), whereas in a rainforest, the range might be much higher, from around 60% to near saturation at 100%.
Significance: The range of relative humidity in an environment is important because it affects various aspects such as comfort, health, the stability of materials and buildings, and the effectiveness of various processes and equipment. For example, too low RH can cause dryness and discomfort, while too high RH can lead to mold growth and deterioration of materials.
Understanding the relative humidity range is crucial in numerous fields, including meteorology, HVAC (heating, ventilation, and air conditioning), indoor air quality management, and many industrial processes.
When selecting a temperature and humidity sensor or transmitter, it’s crucial to consider the relative humidity range. This parameter measures the amount of water vapor present in the air relative to the maximum it can hold at a given temperature. The importance of this range lies in its impact on various factors:
Accuracy and Reliability: Different sensors perform optimally within specific humidity ranges. Choosing a sensor that aligns with your environment’s typical humidity levels ensures accurate and reliable readings.
Material and Product Integrity: In environments where humidity-sensitive materials or products are stored, such as pharmaceuticals or electronics, maintaining proper humidity levels is vital. The right sensor helps in monitoring and controlling these levels to prevent damage.
Health and Comfort: In residential and office spaces, incorrect humidity levels can lead to discomfort, health issues, and reduced air quality. A suitable sensor can help maintain a comfortable and healthy indoor environment.
Energy Efficiency: Proper humidity control can lead to more efficient heating and cooling systems, reducing energy consumption and costs.
Therefore, understanding and selecting a sensor or transmitter with the appropriate relative humidity range is fundamental for optimal performance, safety, and efficiency in various applications.
| Measurement Range: | -40°C to +60°C |
| Accuracy over temperature range (-40 to +60 °C): | ±0.6°C |
The term “Temperature Range” refers to the span between the minimum and maximum temperatures that an environment, substance, or device can experience or tolerate. This concept is important in various contexts:
Environmental Conditions: In climatology or meteorology, the temperature range describes the variation in ambient temperatures in a specific location over a given period. For example, a region might have a temperature range from -10°C in winter to 30°C in summer.
Material and Product Specifications: For materials or products, the temperature range indicates the limits within which they can maintain their integrity or functionality. For instance, electronic components might be rated to operate effectively between -20°C and 85°C.
Laboratory and Industrial Settings: In scientific and industrial environments, controlling and understanding the temperature range is crucial for conducting experiments or processes with precision. Equipment like ovens, freezers, and reactors often have specified temperature ranges for their operation.
Comfort and Health: In terms of human comfort and health, the temperature range refers to the span of temperatures that are considered comfortable or safe for living and working conditions. This concept is essential in the design and operation of heating, ventilation, and air conditioning (HVAC) systems.
Overall, the temperature range is a critical factor in various fields, impacting everything from daily weather forecasts to the design and operation of sophisticated technological systems. Understanding and managing temperature ranges is essential for ensuring safety, efficiency, and effectiveness in these diverse applications.
Caring about the Temperature Range is important for several reasons:
Health and Safety: Extreme temperatures, either too high or too low, can pose health risks. Heat can lead to heat stroke or dehydration, while cold temperatures can cause hypothermia or frostbite. Understanding and respecting the temperature range is vital for maintaining safe environments, especially in sensitive settings like hospitals, schools, and care homes.
Comfort: In homes and workplaces, the temperature range directly affects comfort levels. Proper management of this range ensures a comfortable living and working environment, which can improve mood, productivity, and overall well-being.
Preservation of Materials and Products: Many materials and products have specific temperature requirements for storage and use. For example, food items, pharmaceuticals, and electronic components all require controlled temperatures to maintain their quality and functionality. Ignoring the temperature range can lead to spoilage, reduced effectiveness, or damage.
Energy Efficiency: Efficiently managing the temperature range in buildings can significantly reduce energy consumption and costs. Overheating or overcooling spaces not only wastes energy but also strains HVAC systems, leading to higher maintenance costs and environmental impact.
Process Control in Industry: In industrial settings, maintaining the correct temperature range is crucial for the quality and consistency of products. Many manufacturing processes depend on precise temperature control to ensure that chemical reactions or physical changes occur as expected.
Agriculture and Gardening: Plants and crops have specific temperature needs. Understanding the temperature range is essential for planting, harvesting, and protecting plants from frost or heat damage.
Climate and Weather Awareness: On a broader scale, awareness of temperature ranges is essential for understanding climate patterns and preparing for weather-related events, which can be critical for outdoor activities, agriculture, and disaster preparedness.
In summary, caring about the temperature range is fundamental across various aspects of daily life, from personal health and comfort to the efficiency and success of industrial processes.
| Measurement Range: | -40°C to +60°C |
| Typical Accuracy (0 to +40°C): | ±2 °C (when dew point depression < 15 °C) |
| Typical Accuracy (-40 to 0°C and +40 to +60°C): | ±3 °C (when dew point depression < 10 °C) |
Dew point is a term used in meteorology to describe the temperature at which air becomes saturated with moisture and dew begins to form.
It’s a measure of atmospheric moisture. When the air temperature drops to the dew point, the air can no longer hold all of its water vapor, and some of the water vapor must condense into liquid water.
This process is what leads to the formation of dew on the ground, on grass, and on other surfaces in the morning or evening.
Key points about dew point include:
Indicator of Moisture Content: The dew point is a direct indicator of the moisture content in the air. Higher dew points indicate more moisture in the air, while lower dew points indicate drier air.
Temperature Relationship: The dew point can never be higher than the air temperature, since it is defined as the temperature to which air must be cooled for saturation (condensation) to occur.
Comfort Levels: In terms of human comfort, a higher dew point means the air feels more humid, as there is more moisture in the air. Dew points above 60 degrees Fahrenheit (15.5 degrees Celsius) often make people feel uncomfortable, while those under 60 degrees are usually comfortable for most people.
Weather Prediction: Dew point is also used in weather forecasting. A sudden change in the dew point can signal an upcoming change in the weather.
Dew Formation: On clear nights, the ground can cool down, lowering the temperature of the air close to the ground to the dew point, leading to the formation of dew.
Understanding the dew point is crucial for various applications, including meteorology, agriculture, and HVAC systems, as it helps in predicting weather patterns and managing moisture levels in different environments.
Caring about the dew point when choosing a temperature and humidity sensor or transmitter is essential for several reasons, especially in applications where precise environmental control is crucial. Here are some key points explaining why the dew point is an important factor:
Accurate Environmental Control: Dew point provides a more comprehensive understanding of the air’s moisture content than relative humidity alone. This is crucial in environments where precise control of temperature and humidity is needed, such as in laboratories, data centers, or manufacturing processes.
Preventing Condensation: Monitoring the dew point helps in preventing condensation. In many industrial and electronic environments, condensation can lead to corrosion, mold growth, or equipment failure. Knowing the dew point allows for preventive measures to be taken before these issues arise.
Enhanced Comfort and Health: In buildings and HVAC systems, understanding the dew point can help maintain a comfortable and healthy indoor environment. It’s essential in avoiding conditions that are either too dry or too humid, which can affect human comfort and health.
Product Quality Control: In industries like food processing, pharmaceuticals, and textiles, the dew point is crucial for maintaining the right moisture levels to ensure product quality and longevity.
Energy Efficiency: By monitoring and controlling the dew point, HVAC systems can operate more efficiently. This can lead to significant energy savings, as systems can be adjusted to avoid over-dehumidifying or over-heating.
Preventing Damage in Sensitive Environments: Museums, archives, and art galleries need to maintain specific humidity levels to preserve artifacts and artworks. Monitoring the dew point helps in maintaining these levels accurately.
Improved Process Control: In industries where humidity levels can affect manufacturing processes, like in painting or coating applications, monitoring the dew point is essential for ensuring the quality and consistency of the final product.
When choosing a temperature and humidity sensor or transmitter, considering a model that also provides dew point measurements can add significant value and functionality, enabling more precise control over environmental conditions. This is especially important in applications where the balance of temperature and humidity is critical to the process or product’s success.
Monitoring dew point involves measuring both the air temperature and the humidity to determine the temperature at which dew will form. This can be accomplished using various methods and instruments. Here’s a general guide on how to set up and use a dew point monitor:
Select a Dew Point Monitor: Choose a reliable dew point monitor or hygrometer that suits your needs. There are many types available, from basic models for home use to advanced units for industrial applications. Make sure it can measure both temperature and humidity.
Placement of the Sensor: Position the sensor in an appropriate location. Avoid direct sunlight, drafts, moisture sources, and heat sources, as these can affect the accuracy of the readings. For outdoor monitoring, place the sensor in a shaded, well-ventilated area.
Calibration: Ensure that the dew point monitor is properly calibrated according to the manufacturer’s instructions. This is important for accurate readings.
Continuous Monitoring: Most modern dew point monitors will continuously measure and update the temperature and humidity readings. Keep the monitor running to track changes over time.
Data Logging: If your monitor has data logging capabilities, use this feature to record temperature and humidity over time. This data can be valuable for analyzing trends and patterns.
Alerts and Thresholds: Some advanced monitors allow you to set alerts for when the dew point reaches a certain level. This can be particularly useful in environments where moisture levels need to be strictly controlled, like in museums, data centers, or greenhouses.
Maintenance: Regularly check and maintain the dew point monitor. Clean the sensor as recommended by the manufacturer and replace batteries or perform other maintenance tasks as needed.
Interpreting Data: Learn to interpret the data correctly. Understanding what the dew point, relative humidity, and temperature readings indicate about the atmospheric conditions is crucial for effective monitoring.
Integration with Other Systems: In some cases, you might want to integrate your dew point monitor with other systems, such as HVAC or environmental control systems, for automated management of air quality and moisture levels.
By following these steps, you can effectively monitor the dew point and manage the related environmental conditions. Whether for personal comfort, industrial applications, or specialized environments, dew point monitoring plays a crucial role in maintaining the desired atmospheric conditions.
The “normal” accuracy for humidity and temperature sensors can vary depending on the type of sensor and its intended application. However, I can provide some general guidelines:
Humidity Accuracy:
Temperature Accuracy:
It’s important to note that the accuracy can also depend on the range of measurement. For example, a sensor might have different accuracy at different points within its operational range. Additionally, factors like sensor calibration, environmental conditions, and sensor drift over time can also affect accuracy.
When selecting a sensor, it’s essential to consider the specific requirements of your application and choose a sensor whose accuracy aligns with those needs. For most household or office environments, general-purpose sensors are usually sufficient. In contrast, industrial, scientific, or critical applications might require high-precision sensors with more stringent accuracy specifications.
Caring about the accuracy of humidity and temperature sensors when selecting these devices is crucial for several reasons, particularly in applications where precise environmental conditions are critical. Here’s why accuracy matters:
Quality and Reliability of Data: Accurate sensors provide reliable data, which is essential for making informed decisions. Inaccurate data can lead to incorrect conclusions and actions, potentially causing harm or inefficiency.
Process Control: In industrial and manufacturing processes, precise control of temperature and humidity is often necessary to ensure the quality of the product. For example, in pharmaceutical manufacturing, even slight deviations can affect the efficacy of a drug.
Environmental Control: In environments like museums, laboratories, or data centers, maintaining specific climate conditions is essential to protect sensitive materials or equipment. Accurate sensors ensure that these conditions are maintained consistently.
Energy Efficiency: In building management and HVAC systems, accurate sensors enable more efficient control of heating and cooling systems, leading to energy savings and reduced operational costs.
Health and Comfort: In residential and commercial buildings, maintaining appropriate humidity and temperature levels is important for occupant comfort and health. Too much or too little humidity can exacerbate health issues like allergies and respiratory problems.
Regulatory Compliance: Certain industries are subject to regulations that mandate specific environmental conditions. Accurate sensors are necessary to ensure compliance with these regulations.
Safety: In some environments, such as chemical plants or areas with sensitive electronics, precise control of temperature and humidity is crucial for safety reasons to prevent hazardous conditions.
Long-Term Monitoring and Research: Accurate long-term data is vital for research and environmental monitoring. Inaccurate sensors can lead to false trends and misinformed research outcomes.
Given these points, when choosing temperature and humidity sensors and transmitters, it’s essential to consider the required accuracy level based on the specific application’s needs. Investing in high-accuracy sensors can be more cost-effective in the long run, considering the potential costs of inaccurate data in critical applications.
| Temperature Accuracy (0°C – 60°C / 32°F – 140°F) | ±0.3°C / ±0.5°F typical ±0.5°C / ±0.9°F maximum |
| Temperature Accuracy (Full Range) | ±0.7°C / ±1.3°F typical 1.2°C / ±2.2°F max |
| Humidity Accuracy (@ 25°C / 77°F, from 20% – 80% RH ) | ±3% typical ±4.5% maximum |
| Humidity Accuracy (@ 25°C / 77°F, from 0% – 100% RH ) | ±4.5% typical ±7.5% maximum |
| Accuracy Notes | 95% of sensors fall within the “typical” range. Sensors outside the “maximum” range are not qualified for sale. |
| Operating Voltage: | 5 to 28 VDC |
| Power Requirements: | 56mW |
| Settling time at power up: | 150ms |
| Start-up time at operating voltage: | <14 V: 1 s; >14 V: 4 s |
| Outputs: | 0 to 2.5 VDC (equals 0% to 100% RH and -40°C to +60°C) |
Temperature and humidity sensors and transmitters can come with various types of inputs and outputs, each suited for different applications and systems. Here’s an overview:
Analog Sensors:
Digital Sensors:
Analog Outputs:
Digital Outputs:
Signal Transmitters:
The choice of input and output types depends on several factors:
Understanding these options is crucial for selecting the right temperature and humidity sensor and transmitter for your specific needs, whether it’s for industrial automation, environmental monitoring, HVAC control, or other applications.
HENGKO offers:
Porous Metal Probes:
POM (Polyoxymethylene) and PP (Polypropylene) Probes:
These probes are designed for accurate and reliable humidity measurements in a range of settings.
Humidity sensor or transmitter probes can also be categorized based on the materials used in their construction. The choice of material affects the probe’s durability, responsiveness, and suitability for different environments. Here are the main types based on materials:
Polymer-based Probes:
Ceramic-based Probes:
Metal Oxide Probes:
Lithium Chloride (LiCl) Probes:
Silicon-based Probes:
Glass-based Probes:
Stainless Steel Probes:
PTFE (Teflon) Coated Probes:
Selecting the appropriate material for a humidity sensor or transmitter probe depends on several factors, including the specific environmental conditions (like presence of chemicals, dust, or extreme temperatures), required accuracy and response time, and the overall robustness needed for the application. It’s important to match the probe material to the demands of the environment in which it will be used to ensure accurate and reliable humidity measurement.
Caring about the type of humidity probe used in a sensor or transmitter is important for several reasons, as it directly impacts the accuracy, reliability, and suitability of the humidity measurements for specific applications. Here’s why you should pay attention to the choice of humidity probe:
Accuracy and Precision: Different probes have varying levels of accuracy and precision. For applications where precise humidity control is critical, such as in laboratories or pharmaceutical manufacturing, a high-accuracy probe is essential.
Environmental Suitability: Probes are affected differently by environmental conditions like temperature extremes, chemical exposure, and dust or dirt. Choosing a probe that can withstand the specific conditions of your application is crucial for reliable measurements.
Response Time: The speed at which a probe reacts to changes in humidity can vary. In environments where humidity levels change rapidly, a probe with a fast response time is necessary.
Durability and Maintenance: Some probes are more durable and require less maintenance, which is important in harsh industrial environments or where regular maintenance is not feasible.
Measurement Range: Different probes have different operational ranges for humidity measurement. Ensuring the probe can accurately measure the full range of humidity levels expected in your application is important.
Cost-effectiveness: The cost of probes varies based on their material and technology. It’s important to balance the need for accuracy and durability with budget constraints.
Interference and Contamination Resistance: Probes can be sensitive to contaminants or interference from other environmental factors. Selecting a probe that is resistant to these factors is important for consistent and reliable measurements.
Compatibility with Existing Systems: The probe must be compatible with the existing measurement and control systems, both in terms of physical installation and signal output.
Compliance with Standards and Regulations: In certain industries, there are specific standards and regulations regarding humidity measurement. The chosen probe must comply with these requirements.
Longevity and Calibration Needs: Consider the lifespan of the probe and how often it will need to be calibrated. Some probes might require more frequent calibration, which can increase maintenance time and costs.
In summary, the choice of humidity probe has a significant impact on the performance and suitability of humidity sensing or transmitting devices. Understanding the specific needs of your application and the capabilities of different types of probes is key to ensuring accurate, reliable, and cost-effective humidity measurement.
HENGKO offers a diverse range of signal cables for humidity sensors and transmitters, tailored to meet specific environmental and operational needs. Their collection includes:
These cables, made from quality materials, are engineered to enhance the reliability and accuracy of humidity sensing and transmitting devices in various challenging conditions.
Signal cables for temperature and humidity sensors and transmitters are designed with various features to meet specific requirements like anti-interference, high precision, high-temperature resistance, UV protection, and more. Here are the main types of signal cables categorized by these specialized features:
Anti-Interference (Shielded) Cables:
High Precision Cables:
High-Temperature Resistant Cables:
UV Resistant Cables:
Chemical Resistant Cables:
Waterproof and Moisture-Resistant Cables:
Flexible Cables:
Low Noise Cables:
Armored Cables:
Fire-Resistant Cables:
Selecting the right type of signal cable for temperature and humidity sensors and transmitters depends on the specific challenges and requirements of the application. Factors like the operating environment, required precision, exposure to elements, and mechanical stresses all play a role in determining the most suitable cable type.
When selecting temperature and humidity sensors and transmitters, paying attention to the types of signal cables is crucial for several reasons. The choice of cable can significantly impact the overall performance, reliability, and suitability of the sensor system in a given application. Here’s why the type of signal cable matters:
Signal Integrity and Accuracy: Different cable materials and designs offer varying levels of protection against signal interference. In environments with high electromagnetic interference (EMI), shielded or low-noise cables are essential to maintain signal accuracy and prevent data corruption.
Environmental Suitability: Cables must withstand the specific environmental conditions where they will be used. For example, in outdoor or industrial settings, cables may need to be UV resistant, waterproof, chemical resistant, or fire-resistant. Using the wrong type of cable in these environments can lead to rapid deterioration and failure.
Temperature Resistance: In applications involving extreme temperatures, it’s important to choose cables that can withstand these conditions without degrading. High-temperature resistant cables are essential in industrial processes that generate heat, like furnaces or engine compartments.
Durability and Longevity: The durability of a cable affects the longevity and maintenance requirements of the sensor system. Armored or robust cables may be necessary in settings where physical damage is a risk, such as in heavy machinery areas.
Safety Considerations: In certain environments, the safety implications of using the correct cable type are significant. For instance, fire-resistant cables are crucial in building safety and industrial applications to reduce fire hazards.
Flexibility and Installation: The physical properties of a cable, like its flexibility, can impact the ease of installation and its performance in applications where movement is involved. Flexible cables are important for sensors that are frequently repositioned or attached to moving parts.
Compatibility with Systems: Ensuring that the cable is compatible with both the sensor/transmitter and the receiving equipment (like data loggers or control systems) is vital for seamless integration and operation.
Compliance with Standards and Regulations: In certain industries, regulatory standards dictate the type of cable that must be used for safety, quality, or environmental reasons. Using the correct cable ensures compliance with these regulations.
Cost-Effectiveness: While higher-quality cables may have a higher upfront cost, they can be more cost-effective in the long run due to reduced maintenance needs, longer lifespan, and better performance.
In summary, the type of signal cable used with temperature and humidity sensors and transmitters plays a key role in ensuring that the system operates effectively, reliably, and safely in its intended application. It’s not just about the sensor’s accuracy, but also about maintaining that accuracy over time under specific operating conditions.
HENGKO provides a versatile range of temperature and humidity transmitters and sensors, available both with and without display options:
With Display:
Without Display:
This selection caters to different user preferences and application requirements, ensuring flexibility and convenience in various environmental monitoring scenarios.
Choosing between temperature and humidity sensors and transmitters with or without a display depends on several factors related to the specific application, monitoring needs, and user preferences. Here are key considerations to help you make an informed decision:
Real-Time Monitoring: If you need to frequently check the current temperature and humidity readings at the sensor location, a display is very useful.
Ease of Access: In applications where the sensor is easily accessible, a display allows for quick, on-the-spot readings without the need for additional equipment or remote access.
User-Friendly: For users who prefer a straightforward, visual representation of data without the need to connect to a computer or mobile device.
Setup and Calibration: Displays can simplify the setup and calibration process by providing immediate feedback directly on the device.
Standalone Applications: Ideal for applications where the sensor is not connected to a larger monitoring system or network.
Cost-Effectiveness: Sensors without displays are often more affordable, making them a good choice for budget-conscious projects or large-scale deployments.
Size and Aesthetics: No-display units are typically smaller and less obtrusive, which can be important in certain architectural or aesthetic contexts.
Environmental Conditions: In harsh environments, the absence of a display can sometimes increase durability and lifespan, as there are fewer sensitive components.
Remote Monitoring: For systems that are centrally monitored or connected to a network, a display on the sensor may be redundant.
Data Logging and Analysis: If the data is primarily used for logging and later analysis, real-time display might not be necessary.
So choice between sensors with or without a display should be based on the specific needs of your application, the intended use of the data, and the operational context in which the sensor will be used.
Our sensors are built to last, with rugged construction and high-quality components.
Our sensors are calibrated to the highest standards to ensure the most accurate readings possible.
We offer a wide range of sensor, transmitter and meter models to choose from, so you can find the perfect one for your specific needs.
Our sensors are designed to withstand even the most challenging environments.
Our transmitter are easy to install and use, even in complex industrial settings.
we specialize in delivering top-notch industrial temperature and humidity sensor solutions that are not only reliable and precise, but also affordably priced. Our products are meticulously designed and manufactured to meet the highest standards of quality, ensuring they deliver accurate readings and perform exceptionally well in even the most challenging industrial environments.
HENGKO is a global leader in industrial sensor solutions, with a reputation for unique design and excellent performance. Our temperature and humidity transmitter and sensor are used in a wide range of industries, including food and beverage, pharmaceutical, manufacturing, and environmental monitoring.
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HENGKO is a prominent supplier of temperature and humidity monitoring solutions for various industries, specializing in manufacturing advanced temperature and humidity transmitters and sensors.
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