DN125-300 – large district water meter for reliable and accurate reading Kamstrup now offers high quality ultrasonic district meters with the option of two different dynamic range levels R250 and R630 (R630 is only available for Germany and China). The difference in dynamic range will be reflected in the pricelist.The 4200-series contain sizes from DN125-300 and is therefore the largest water meters in Kamstrup's product lineup. Based on more than 30 years of experience with ultrasonic metering, flowIQ® 4200 provides suitable measurement in commercial premises and industrial environments, with pinpoint measurement precision and reliability throughout its lifetime.The meter comes with built-in wired interface, which supports connection to the flowIQ® Gateway, which is also able to power supply the meter. The meter is watertight, IP68-approved, and suited for mounting in pump stations or wells. The pulse option feature is only available through the Gateway. The built-in wired interface can not be reprogrammed for pulse output. flowIQ® 4200 has four ultrasonic sensors and is powered by 2xD-cell batteries, which are replaceable.