Flowmeters 1pcs Industry Digital Fuel Flowmeter Pulse 4-20mA RS485 Output Thread Connection High-Precision Digital Measurement with Clear Instant Readout:Equipped with advanced sensing technology Wide Compatibility for Diverse Media & Pipe Sizes:This series of flow meters accommodates a broad range of applications, from liquid =to gas media measurement. Flexible Installation & User-Friendly Operation:Designed for multiple installation options including clamp-on, wall-mounted, modular, inline, and handheld portable styles to fit different site conditions.