Өнім Introduction:
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 instrument 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.
Technique Parameters:
| Өлшеу диапазоны | Dew point value:-80℃~+20℃ |
| Moisture content:0~19999uL/L | |
| Accuracy of measurement | ±1.0℃(-60℃~+20℃) |
| ±2.0℃(-80℃~-60℃) | |
| шешімі | 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 | 0,6л/мин±20% |
| Қысым диапазоны | 0～1.0Mpa |
| The use of temperature | -20℃~+60℃ |
| Қоршаған ортаның ылғалдылығы | 0～100%RH |
| Зарядтау уақыты | 4 сағат |
| The whole machine size | 250×150×300mm3 |
| The weight of The machine | 4.4kg |
Өнімнің ерекшеліктері:
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 instrument 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
Main application scenarios:
1. Power system:
Handover test, preventive test, and fault diagnosis of SF6 electrical equipment (GIS combination devices, circuit breakers, transformers, bushings, etc.).
Monitor the moisture content in SF6 gas to prevent insulation performance degradation caused by excessive moisture, corrosion of equipment by arc decomposition products, and freezing at low temperatures, ensuring the safe operation of the power grid.
Acceptance of SF6 new gas, monitoring of filling process, and treatment of recovered gas.
2. Other fields:
Semiconductor manufacturing: Moisture monitoring of high-purity process gases such as nitrogen, argon, and hydrogen.
Chemical production: moisture control of reaction gases, protective gases, carrier gases, etc.
Compressed air system: detects dew point in compressed air to prevent pipeline corrosion, instrument failure, and product moisture.
Lithium battery production: Dew point monitoring of inert gases (such as argon) in drying rooms and glove boxes.
Pharmaceutical industry: moisture control for special gases and packaging environments.
Research: Various experiments that require precise control or measurement of gas humidity.
FAQ about Dew Point Meter
Why is it necessary to measure the dew point of SF6 gas?
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.
What are the advantages of the SF6 dew point tester?
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.
How can the service life of the SF6 gas dew point tester be extended?
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.
