Half Inch NPT Portable Digital Thermal Mass Flow Meter For Compressed Air Nitrogen Oxygen And Other Inert Gases, Measures 0 To 250 Liters Per Minute With Pro Grade High Resolution LCD Display And RS485 Modbus

Portable 1/2in NPT Thermal Mass Gas Flow Meter
✔️ 0-250 L/min, 1/2 in NPT, RS485; Pack: 1 unit, battery or AC

This handheld flow meter uses a thermal mass sensor to deliver precise gas flow data from 0 to 250 L/min, suitable for compressed air, nitrogen, oxygen, CO2 and other inert gases. It is commonly used in labs, maintenance shops, and industrial environments for audits, process monitoring, and remote-site checks.

✅ 0-250 L/min range for air, nitrogen, oxygen, CO2, and inert gases
✅ High resolution 0.01 L/min instantaneous, 0.001 m³ total
✅ 1/2 in NPT port (12.7 mm) with 180° rotatable LCD
✅ RS485 Modbus data logging and keypad configuration
✅ Dual power: 4x AA batteries or AC adapter for portability
✅ Over-range alarm and safety features

💡 What is a common use case for a portable gas flow meter in industry?

This handy device helps verify gas flow and logs measurements for audits. - On-site verification of gas flow in lines and equipment - RS485 Modbus data logging and remote monitoring - Lab and field service use on production floors - Compact, battery-powered for portable checks