Description Overview GAOTek Digital 4 mA to 20 mA Flow Sensor is a wide flow range digital rs485 insertion type thermal mass gas air flow meter sensor. This product utilizes the principle of heat exchange to measure fluid -flow. This meter employs a method of constant temperature difference to accurately measure gas mass flow, and it has the advantages of small size, the high degree of digitization, easy installation, accurate measurement, etc. Features Measure gas mass flow without temperature and pressure compensation Large measuring range ratio No pressure loss With corrosion resistant sensor Insertion type sensor Configuring with RS485 or HART interface Technical Specifications Size DN0,049 ft to 6,56 ft (DN15 mm to 2000 mm) Medium Various gases Display LCD Medium Temperature -40 ℉ to 428 ℉ (-40 ℃ to 220 ℃) Flow Range 0.1 Nm per s to 120 Nm per s Output Signal Pulse or 4 mA to 20mA or RS485 or HART Power Supply 220 V 24 V dual power supply Material SS304, 316 L (probe) Protection Class IP65 Accuracy 1.0%, 1.5% Nominal Pressure 1.0 MPa to 4.0 MPa
