Product Highlights 🔥 Precision & Versatility ±0.3% Accuracy: Ideal for HVAC, gas systems, and industrial applications requiring reliable pressure monitoring. 12 Units in 1: Switch between bar, PSI, inHg, and more—no manual calculations needed! 🔥 Smart Features for Professionals Dual-Port Design: Measure differential pressure (e.g., filter resistance, airflow balance) effortlessly. Data Logging: Track MAX/MIN/AVG values and save 9 readings—perfect for audits or troubleshooting. Backlit Screen: Read data clearly in dark environments like boiler rooms or underground pipelines. User-Friendly & Durable Auto Shutoff & Low Power: Saves battery life during long shifts. Lightweight & Portable: Fits in toolkits for on-site repairs or mobile inspections.