The DN4000 Thermal Mass Flow Meter is a high-precision instrument designed for accurate gas flow rate measurement in large-diameter piping. By utilizing advanced thermal diffusion principles, it provides a reliable solution for complex industrial gas environments.

• True mass flow measurement - No temperature and pressure compensation required for gas flow measurement
• Wide range ratio - Measures gas flow rates from 120Nm/s down to 0.1Nm/s, suitable for gas leak detection
• Excellent vibration resistance - No moving parts or pressure sensing components, ensuring long service life
• Easy installation and maintenance - Non-stop production installation possible with special customization
• Digital design - Complete digital circuit measurement for accuracy and easy maintenance
• RS-485 communication - Enables factory automation and system integration

This High-Accuracy Thermal Mass Flow Sensor is optimized for a wide range of gases and industrial scenarios:

• Industrial Gases: Precise measurement of Oxygen (O₂), Nitrogen (N₂), Hydrogen (H₂), Chlorine (Cl₂), and multi-component gases
• Energy & Fuel: Natural Gas, Liquefied Gas, Flare Gas, Blast Furnace Gas, and Coke Oven Gas measurement
• Power Plants: Primary and secondary air flow measurements of blast furnaces
• Mining & Safety: Downhole ventilation and exhaust system flow measurement in mining environments
• Environmental & Utilities: Flue Gas monitoring and Compressed Air measurement