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EE771 In-Line Thermal Mass Flow Meter

An inline thermal mass flowmeter for DN15 to DN50 (1/2″ to 2″) pipes and up to 16 bar (232 psi). The ball valve permits fast installation and removal with only a brief interruption of the flow measurement.


EE771 In-Line Thermal Mass Flow Meter

The EE771 is a thermal mass flow meter for compressed air and gases. Irrespective of pressure and temperature, the EE771 flow meter registers mass flow, volumetric flow or standard flow.

Key Features:

  • Measurement ball valve for rapid installation and removal with only a short flow interruption
  • Remote, interchangeable probe for easy mounting
  • Pipe diameter DN15 – DN50 (1/2″ – 2″) P
  • Pressure range up to 16 bar (232 psi) PN16
  • Wide measuring range up to 200 Nm/s (39370 SFPM)
  • Bus interface for MODBUS RTU or M-BUS

EE771 In-Line Thermal Mass Flow Meter

The flow meter can measure the consumption of compressed air, nitrogen, oxygen, CO2, argon or other non-corrosive gases. The measurement ball valve permits easy installation and removal with only a short interruption of the flow.

EE771 flow meter employs the well proven E+E hot-film sensor element with high immunity to contamination, which leads to outstanding long-term stability and accuracy even under harsh operating conditions.

With wide measuring range from 0.5 to 200 Nm/s (100...39370 SFPM) (1:400) and fast response time, one and the same flow meter model can be employed throughout the entire gas supply system. It records accurately even the smallest flow which represents an essential prerequisite for calculating consumption costs or for finding leaks.

Every E+E flow meter undergoes a precise factory calibration procedure at a pressure of 7 bar (102 psi), the corresponding calibration certificate is included in the standard scope of supply.

The EE771 flow meter is available with an additional MODBUS RTU or M-BUS (Meter-Bus) interface.