The MV-102 model is a mass flow meter with a wide-angle display, wide flow ranges and a high amount of accuracy. Electric output is analog 0 to 5Vdc and interfaces include RS-232 with FLOWBUS and Modbus RTU-ASCII. This meter is virtually independent of pressure and temperature variations, as well as parallax error-free. In addition to counter and alarm functions, it comes with password protection that can be configured and ten pre-installed gases. The OLED display provides a clear indication of gas type, desired flow units, a bar graph/value of actual flow rate, etc. Free software tools are available with this digitally calibrated meter.