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Products Description
Product Overview
What is a Dew Point Transmitter?
A dew point transmitter is a device used to measure thetemperature at which water vapor in a gas begins to condense—referredto as the dew point temperature. The dew point is an important parameter for assessingthe humidity of a gas. Dew point transmitters are widely used in industrial control systems, environmental monitoring, and gastreatment, ensuring that the humidity of production environments is effectively controlled to prevent damage to products due to excessive humidity.
Nexisense HG602-D Micro Dew Point Transmitter
The Nexisense HG602-D micro dew point transmitter isspecifically designed for dew point measurement in extremely dry environments. It provides fast, stable, and repeatable measurement performance, with features like anti-interference, corrosion resistance, and anti-condensation. It is particularly suitable for installation in confined industrial pipelines and is widely used in industries such as power generation, semiconductormanufacturing, lithium battery production, and electronic component manufacturing, which require high precision. The performance of this transmitter is comparable to high-end imported products, yet it offers better cost performance, surpassing some high-end models in terms of technical specifications.
Transmitter Principle
Dew Point Measurement Principle
The dew point transmitter's measurement principle is based on a humidity sensor that detects the relationship between the water vapormolecules in the gas and temperature changes. When gas passes through the sensor surface, the sensor measures the temperature and humidity changes, then processes this data to calculate the dew point temperature. The lower the dew point temperature, the lower the water vapor content inthe gas.
The Nexisense HG602-Ddew point transmitter uses advanced sensingtechnology combined with temperature and humidity sensorsto efficiently and accurately measure the dew point temperature of the gas, ensuring stable and reliable operation overtime.
Structural Overview
The Nexisense HG602-D micro dew point transmitter features a compact, well-organized design with high integration, making it suitable for installation in industrial pipelines or equipment with limited space. Its maincomponents include:
Humidity Sensor: Used to sense the water vapor content in the gas and measure thedew point temperature based on capacitance or resistance principles.
Heating Device: Prevents condensation on the probe to ensurethe sensor continues to function in humid environments, avoiding measurement errors caused by condensation.
Microprocessor Unit: Processes the sensor signals and converts theminto digital signals for output.
Output Interface: Supports RS485digital communication and analog output (0~5V / 0~10V / 4~20mA), facilitating connection to external controlsystems or data acquisition devices.
Shell and Connectors: Made of corrosion-resistant materials to withstand harsh operating conditions,ensuring long-term stable operation of the transmitter.
Measurement Method andApplications
Measurement Method
The Nexisense HG602-D dew point transmitter uses precise digital signal output to ensure highaccuracy and reliability of the measurement results. The operation process is as follows:
Gas passes through the sensorprobe: The water vapor in the gas enters the sensor probe and interacts with the surface of the sensor.
Humidity sensing and calculation: The sensor calculates the dew point temperature based onthe water vapor content and the current temperature of the gas.
Signal output: Themeasured dew point temperature is transmitted toexternal equipment via RS485 communication or analog output (0~5V / 0~10V / 4~20mA) for real-time monitoringand recording.
Application Areas
The Nexisense HG602-D micro dew point transmitter can be widely applied in the following industries:
Power Industry: Used for humidity monitoring of powerequipment to prevent damage from moisture.
Semiconductor Industry: Controls humidity in semiconductor production to ensure the quality of components.
Lithium Battery Production: Provides precise humidity monitoring for lithium battery manufacturing, ensuring product quality.
Electronic Component Manufacturing: Controls humidity for the stability and reliability of electronic components.
Environmental Monitoring: Used for real-time monitoring of environmental conditions to help control air quality.
Product Specifications
| Parameter | Specification |
|---|---|
| Dew Point Range | -60~60°C (Customizable based onenvironmental factors) |
| Dew Point Accuracy | ±2°C Td (For air or N2) |
| Output Interface | Supports RS485 and one analog output (0~5V/0~10V/4~20mA) |
| Pressure Resistance | 16 bar |
| Anti-Condensation | Built-in heating device to prevent probecondensation, ensuring measurement accuracy |
| Probe Operating Temperature | -40~80°C |
| Max Power Consumption | <0.1W |
| Supply Voltage | DC 10V~30V (Use 12V power supply for 4-20mA output) |
| Response Time | Approximately65 seconds (air speed 1m/s) |
| Factory Calibration | Fully calibrated; custom calibration available forspecial scenarios |
| Digital Output Resolution | Optional 0.01°C/0.1°Cor 0.01%RH/0.1%RH |
| Communication Baud Rate | 1200, 2400, 4800, 9600, 19200 bps (9600 bps by default) |
| Byte Format | 8 data bits, 1 stop bit, noparity |
Conclusion
The Nexisense HG602-D micro dew point transmitter, with its high precision, fast response, and stability, has become an essential tool for humidity control in manyindustries. It is not only suitable for dew point measurement in harsh environments but also provides excellent cost performance inboth performance and price, making it widely used in power generation, semiconductor, lithium battery, and electronic component industries. With itsanti-interference, corrosion resistance, and anti-condensation features, the HG602-D offers an efficient, reliable, and precise humidity monitoring solution, making it an ideal choice for achieving high-quality production and environmental control.
Choose the Nexisense HG602-D micro dew point transmitter to make your production process more precise and reliable, enhancing overall operationalefficiency.
