This precision 4-inch digital rotometer flow meter is an essential measuring range indicator instrument for accurate flow measurements in laboratory and industrial applications. The clear, easy-to-read circular dial face features detailed calibration markings for precise readings, while the durable black housing provides protection for the sensitive measurement mechanism. The instrument comes with a professional-grade metallic connector for secure installation. The well-designed scale allows for quick and accurate measurements across multiple ranges. This versatile flow meter combines reliability with precision, making it ideal for various fluid flow monitoring applications. The sturdy construction ensures consistent performance, while the compact size makes it convenient to install in space-constrained setups. The high-contrast white dial face against the black housing enables clear visibility of measurements even in challenging lighting conditions.