Product Introduction
The UHV-620 SF6 Dew Point Tester is an advanced instrument designed to measure the moisture content in SF6 gas. It utilizes a high-precision dew point sensor and digital circuit control technology for accurate and reliable measurements. The device features intelligent self-calibration, a wide measuring range, and a dynamic display of measurement curves. An automatic dryer is included to reduce measurement time.

Product Features
1. High Stability: Provides stable measurements within ±0.5℃ under severe conditions, ensuring long-term stability and repeatability.
2. High Precision: Equipped with a high-performance dew point sensor and a high-speed ADC, offering a resolution of 0.1℃.
3. Intellectualized: Features boot self-calibration and automatic zero calibration to eliminate systematic errors.
4. Multiple Protections: Includes oil filters and a dryer to protect the sensor from contamination and prolong its life.
5. Rapid Measurement: Dew point measurement time is 3-5 minutes, with longer times for initial use.
6. Powerful Functionality: Features a 4.7-inch color LCD display, real-time data saving, and storage for up to 100 data sets.
7. Communication: RS232 interface for PC connectivity.
8. Ease of Use: Features self-locking connectors, touch buttons, and a rechargeable lithium battery for portability.

Technical Parameters
- Measurement Range: Dew point value from -80℃ to +20℃; Micro water value from 0 to 19999 uL/L.
- Accuracy: ±0.5℃ for -60℃ to +20℃; ±1.0℃ for -80℃ to -60℃.
- Resolution: Dew point value 0.1℃; Micro water value 1 uL/L.
- Response Time: 63% in 5s and 90% in 45s for -60℃ to +20℃; 63% in 10s and 90% in 240s for +20℃ to -60℃.
- Sampling Flow Rate: 0.6L/min ±20%.
- Pressure Range: 0 to 1.0 Mpa.
- Temperature: -20℃ to +60℃.
- Humidity: 0 to 100% RH.
- Storage Temperature: -20℃ to +80℃.
- Charging Time: 4 hours.
- Dimensions: 250×150×300 mm.
- Weight: 3.5 kg.