Product Introduction
Wuhan UHV Power Technology Co.,Ltd., is a professional manufacturer and supplier of high-voltage power testing equipment in China.This instrument using the original imported high-precision dew point sensor and the latest digital circuit control technology High-precision intelligent instrument for measuring trace moisture content in SF6 gases.The instrument adopts intelligent self-calibration technology, wide measurement range, fast response speed, high accuracy, good linearity, and dynamic display of measurement curve.
This dew point meter manufacturer is suitable for test the dew point values of SF6 gases, especially for air, nitrogen, inert gases and any dew point values that do not contain corrosive gases Used in electric power, petrochemical, metallurgy, environmental protection, scientific research institutes and other departments, with a very high cost performance. Measure the water content of SF6 gas and identify its arc extinguishing performance.
Особенности продукта
1. High stability: Under severe interference conditions, the measured data can be stable High stability: Under severe interference conditions, the measured data can be stable
2. High precision: Using imported high-performance dew point sensor and high-speed 12-bit Σ-ΔAD analog-to-digital converter, the highest resolution reaches 0.1℃, which fully meets the actual measurement requirements. The measurement results are accurate and reliable within the full range, with a wide measurement range, fast response speed, and stable and reliable measurement results
3. Intelligence: Self-calibration at power-on, the sensor probe can automatically calibrate the zero point, automatically eliminate the system error introduced by zero drift, and ensure the accuracy of measurement
4. Multiple protection: With oil filter device, it is not affected by dust particles and most chemical pollution, and can protect the sensor from oil pollution, which is very suitable for use in industrial environments
5. Fast and gas-saving: After entering the measurement state, the dew point value measurement time is 3~5min
6. Powerful functions: 4.3-inch true color touch LCD display, directly displaying dew point value (℃), micro-water value (ppm), date and time, and dynamically displaying dew point measurement curve. Save measurement data in real time, and can store up to 999 sets of measurement data
7. Data export: With USB transfer function, the historical data in the instrument can be directly transferred to the USB disk. Through the matching host computer software, the data can be imported, exported, printed, and other operations can be performed on the PC
8. Data printing: The dew point meter supplier comes with a micro printer, which can directly print out the current test results or historical record data
9. Easy to use: Adopting original imported self-locking connectors, easy to plug and unplug, safe and reliable, without air leakage. Sensitive touch sensitive buttons facilitate operation and improve work efficiency. Built in large capacity rechargeable lithium battery, small size, light weight, easy to carry
Product function
1. Dew Point and Moisture Measurement: It measures dew point values from -80℃ to +20℃ and moisture content from 0 to 19999 μL/L. The resolution is 0.1℃ for dew point and 1 μL/L for moisture content.
2. High Accuracy: The measurement accuracy is ±1.0℃ (for -60℃ to +20℃) and ±2.0℃ (for -80℃ to -60℃).
3. Fast Response: Response time is 63% in 5 seconds and 90% in 45 seconds (at +20℃, 0.1MPa), enabling quick and efficient testing.
4. Dynamic Curve Display: The dew point meter features a 4.3-inch true-color touch LCD that dynamically displays the dew point measurement curve, allowing users to monitor the measurement process in real time.
5. Data Management: It can store up to 999 sets of measurement data and features a USB transfer function for exporting historical data to a USB disk. A built-in micro printer allows direct printing of current test results or historical record data.
6. Automatic Calibration: The sensor probe automatically calibrates to zero at power-on, eliminating system errors introduced by zero drift and ensuring measurement accuracy.
7. Multiple Protection: It includes an oil filter device that protects the sensor from dust particles, oil pollution, and most chemical contamination, making it suitable for industrial environments.
Product Advantages
1. High Precision and Stability: The imported high-performance dew point sensor and high-speed 12-bit Σ-Δ AD converter ensure accurate and reliable measurements across the full range, with high stability even under severe interference conditions.
2. Fast and Gas-Saving: The dew point measurement time is only 3-5 minutes after entering the measurement state, saving both time and gas during testing.
3. Intelligent Self-Calibration: The automatic zero calibration at power-on eliminates system errors caused by zero drift, ensuring consistent measurement accuracy over time.
4. Comprehensive Data Management: The 999-set storage capacity, USB export, and built-in printer provide convenient documentation, traceability, and report generation.
5. User-Friendly Design: The 4.3-inch true-color touch LCD, sensitive touch buttons, and imported self-locking connectors (easy to plug and unplug without air leakage) make the instrument easy to use and improve work efficiency.
6. Portable and Field-Ready: The built-in large-capacity rechargeable lithium battery, compact size (250×150×300mm), and lightweight design (4.4kg) make it highly portable for field measurements.
Technique Parameters
| Диапазон измерения | Dew point value:-80℃~+20℃ |
| Moisture content:0~19999uL/L | |
| Accuracy of measurement | ±1.0℃(-60℃~+20℃) |
| ±2.0℃(-80℃~-60℃) | |
| Резолюция | Dew point value: 0.1℃ |
| Moisture content: 1uL/L | |
| Response time(+20℃,0.1mpa) | 63% need 5s, 90% need 45s(-80℃~+20℃) |
| 63% need 10s,90% need 240s(+20℃~-80℃) | |
| Sampling flow | 0,6 л/мин±20% |
| Диапазон давления | 0~1.0Mpa |
| The use of temperature | -20℃~+60℃ |
| Влажность окружающей среды | 0~100%RH |
| Время зарядки | 4 часа |
| The whole machine size | 250×150×300mm3 |
| The weight of The machine | 4.4kg |
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Main application scenarios
1. Power Utilities and Substations: Used for testing the dew point of SF6 gas in circuit breakers, GIS, and other SF6-insulated equipment to ensure the gas meets the required dryness specifications and maintains its arc-extinguishing performance.
2. SF6 Equipment Manufacturing: Used by manufacturers for quality control and factory acceptance testing of new SF6 equipment to verify gas dryness before delivery.
3. Petrochemical Industry: Used for measuring trace moisture in various gases and process streams where dry conditions are critical.
4. Metallurgy: Used in metallurgical processes where moisture control is essential for product quality and safety.
5. Environmental Protection: Used in environmental monitoring applications requiring accurate dew point measurement.
6. Scientific Research: Used in research institutions for studying gas properties and developing new measurement techniques.
FAQ about Dew Point Meter
Q:Why is it necessary to measure the dew point of SF6 gas?
A:Excessive moisture in SF6 gas can reduce insulation performance and may produce corrosive decomposition products under the action of an electric arc, affecting the operational safety of GIS, circuit breakers, and other equipment. Regular dew point testing can promptly detect abnormal humidity levels, reduce the risk of equipment failure, and extend the service life of the equipment.
Q:What are the advantages of the SF6 dew point tester?
A:Fast measurement speed and high efficiency.
High measurement accuracy and good repeatability.
Automatically calculates dew point and ppm values.
Simple operation, convenient for on-site use.
Comprehensive data storage and export functions.
Low gas consumption, environmentally friendly and energy-saving.
Suitable for various application scenarios such as power equipment maintenance, overhaul, and condition monitoring.
Q:How can the service life of the SF6 gas dew point tester be extended?
A:It is recommended to keep the sampling system clean and dry, and prevent liquid water, oil contamination, and particulate matter from entering the sensor. When the instrument is not in use for an extended period, it should be stored in a dry environment, and regular maintenance and calibration should be performed according to the manufacturer's recommendations. Proper use and maintenance not only extend the instrument's service life but also help maintain long-term measurement accuracy.
Q:Why Choose Our SF6 Dew Point Tester?
A:We have our own factory with over 10 years of production experience.Choosing the right SF6 dew point tester is essential for accurate gas quality assessment and reliable equipment maintenance. Our SF6 Dew Point Tester is designed to provide accurate, fast, stable, and convenient field testing for GIS, SF6 circuit breakers, transformers, and other gas-insulated electrical equipment.
Featuring intelligent operation and convenient data management functions, the UHV-620 helps improve testing efficiency while reducing the time and effort required for routine SF6 gas inspections. Its practical design makes it a valuable solution for power utilities, electrical equipment manufacturers, testing laboratories, and maintenance service providers. For more information about the UHV-620 SF6 Gas Dew Point Tester, including technical specifications, customization options, delivery time, and price, please contact us. Our professional team can provide the latest product information and a competitive price based on your required configuration and order quantity.

























