1. flow meter 2.two parameters 3.strong ability to ... , high reliability, and the media can be flow meter matching the quality or volume of measurement, also communicate ... 1A (matching DC24Vcommon relay) (c) big-screen output: synchronous pulse output (d) communications interfaces: RS485 serial port (Another allocation ... ,999 4, the value range: 1-999999 5, pulse equivalent: 0.00001 to 9.99999 6, density: ...