High Accuracy Portable Multi-Gas Dew Point Meter Runlai B300 Micro Water Tester Trace Water Analyzer Metal Construction Customizable Detector Highlights at a glance High Accuracy: Ensures precise measurements within ±2℃ for reliable gas dew point analysis. Wide Measuring Range: -100.0 ~ 0.0℃ / -80.0 ~ +20.0°C / -60.0 ~ +60.0°C covers various operational needs. Responsive Design: T90≤5min response time ensures quick readings for efficient use. Portable and Durable: Lightweight