SF6 Gas Quality and Purity Analyzer | Testing Precautions?

SF6 Gas Quality and Purity Analyzer/Sulfur Hexafluoride Purity Tester - Testing Precautions and Features?

The following is a summary of the features and testing precautions for sulfur hexafluoride (SF6) purity testers:

Features and Testing Precautions of Sulfur Hexafluoride Purity Testers

I. Main Features

1. Fast and Accurate: Employs a high-performance thermal conductivity sensor or chromatographic technology, enabling rapid analysis of SF6 gas purity with high accuracy and short response time, effectively improving detection efficiency.

2. Intelligent and Convenient: Large LCD screen, menu-driven operation, automatic calculation and display of purity values, with data storage, query, and export functions, facilitating historical data traceability and analysis.

3. Integrated and Efficient: Built-in high-precision filter, flow meter, and regulating valve realize an integrated process for sample injection, detection, and venting. Some models can measure purity, humidity, and decomposition products, offering powerful functionality.

4. Stable and Reliable: The sensor has strong anti-interference capabilities and stable performance, effectively distinguishing SF6 from impurities such as air (nitrogen, oxygen), ensuring data accuracy in complex field environments.

II. Test Precautions

1. Safety Preparation: Operation must be carried out in a well-ventilated environment. Ensure the equipment is reliably grounded before testing. Operators should wear protective equipment and be positioned upwind to prevent the risk of leakage of potentially toxic decomposition products.

2. Standard Connection: Use a dedicated, clean sampling tube. Before connection, thoroughly purge the pipeline and instrument chamber with the SF6 gas being tested (at least 3 times) to remove interference from air, residual moisture, and oil, ensuring a leak-free gas path.

3. Process Control: Strictly adjust the gas pressure and flow rate according to the instrument requirements to maintain a stable flow rate. Observe data changes during the test, and record data only after the readings stabilize. Avoid drastic fluctuations that could affect the results.

4. Equipment Maintenance: After the test, purge the inside of the instrument with high-purity nitrogen or dry air to keep the sensor clean. Replace the filter cartridge regularly and calibrate the instrument according to procedures to ensure its long-term accuracy.

5. Data Recording and Application: Record the ambient temperature, pressure, purity values, etc., during the test in detail. If the purity is lower than the standard requirement (e.g., fresh gas ≥ 99.9%), purification or gas replacement is required to ensure the equipment's insulation and arc-extinguishing performance.

Correct use of this instrument is crucial for ensuring the safe and economical operation of SF6 electrical equipment.

MS-406 Sulfur Hexafluoride Purity Tester

1. Self-calibration: The sensor probe can automatically calibrate the zero point, automatically eliminating systematic errors introduced by zero point drift, ensuring the accuracy of each measurement.

2. Simple operation: Large touchscreen LCD screen, WYSIWYG simple operation.

3. Fast and gas-saving: After starting the measurement state, each purity measurement takes approximately 2 minutes.

4. Self-locking connector: Uses original imported self-locking connectors, safe, reliable, and leak-free.

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