Gas Trace Moisture Analyzer | Testing Precautions?

SF6 Gas Trace Moisture Analyzer/SF6 Gas Dew Point Meter - Testing Precautions and Features?

SF6 Gas Dew Point Meter Features and Testing Precautions

I. Main Features
1. Accurate Monitoring of Trace Moisture Content: By measuring the dew point temperature of SF6 gas, it directly converts the moisture content to volume fraction (ppm), a key indicator for judging gas dryness and assessing the internal insulation condition of electrical equipment.

2. Fast Response and Intelligent Operation: Utilizes a high-performance sensor with a short response time, directly displaying dew point and ppm values. It has data storage capabilities, and some models support automatic temperature compensation, improving detection efficiency.

3. Strong Field Applicability: The equipment is portable, equipped with quick connectors and a filter, suitable for rapid testing needs in substations, GIS equipment, and other on-site environments.

4. Ensuring Equipment Safety: Effectively monitors SF6 gas humidity, preventing insulation strength degradation or arc decomposition product generation due to excessive moisture content, ensuring the safe operation of high-voltage electrical equipment.

II. Testing Precautions
1. Safety Protection: Before testing, ensure the equipment is reliably grounded. Operators must wear protective equipment and be positioned upwind to prevent accidental SF6 gas leakage. 2. Gas Path Cleaning and Sealing: Dedicated clean pipelines must be used. Before connection, thoroughly purge the pipeline joints with high-purity nitrogen or the gas being measured to eliminate air and impurities, ensuring a good gas path seal and preventing external moisture ingress.

3. Controlling the Detection Flow Rate: Strictly adjust the gas flow rate according to the instrument requirements, maintaining a stable flow rate. Excessive or insufficient flow will affect measurement accuracy.

4. Temperature Equilibrium: Wait for the reading to stabilize during measurement, especially when the ambient temperature is low. Ensure the gas temperature is approximately the same as the instrument temperature to avoid false alarms due to condensation.

5. Regular Calibration and Maintenance: The instrument requires calibration after prolonged use. Keep the sensor clean and dry, and replace the filter regularly to ensure detection accuracy.

Proper operation is crucial for preventing equipment insulation failures.

The MS-405SF6 Gas Dew Point Meter, an SF₆ trace moisture analyzer, uses the DRYCAP® series sensor manufactured by Vaisala, Finland. Guided by Vaisala's professional engineers, and combined with STMicroelectronics' professional hardware chips and excellent software algorithms, this new generation of gas trace moisture analyzers was developed by our company.

The SF₆ trace moisture analyzer has a measurement range of -80℃ to +20℃, with a full-range accuracy better than ±2℃. Annual drift is ≤1℃. The instrument features a beautiful and rational design, and the materials used are of high quality. The overall design is a modular solution. Transportation and carrying options are compatible with our entire range of SF₆ gas analysis equipment.

This product is suitable for field use in any natural environment.

SF6 Trace Moisture Analyzer, SF6 Moisture Analyzer, SF6 Gas Dew Point Meter, SF6 Moisture Analyzer

SF6 Gas Dew Point Meter, Gas Trace Moisture Analyzer, SF6 Gas Dew Point Trace Moisture Analyzer