The Badger Meter M4000 electromagnetic flowmeter provides non-intrusive flow measurement in almost any conductive fluid or slurry. Combining a flow detector and amplifier, M4000 flowmeters are versatile, user-friendly flow metering systems for a variety of industrial applications. It is FM approved for Class I, Div 1 hazardous locations, as well as CSA certified and CE and FCC compliant .

The flow detector—including flow tube, isolating liner, and measuring electrodes—is available in sizes from 1/4" (0.02 to 5 gpm) to 12" (45 to 13,444 gpm). Designed under strict quality standards, the detector has no parts in the flow stream resulting in no pressure loss. Accuracy is not affected by temperature, pressure, viscosity, density, or flow profile. With no moving parts, maintenance is practically eliminated. A wide selection of liner and electrode materials ensures maximum compatibility and minimum maintenance .

The amplifier features sophisticated, processor-based signal conversion with accuracies of ±0.25%. Programmable parameters include calibration factors, totalizer resets, unit of measure, analog and pulse output scaling, flow alarm functions, language selection, low-flow cutoff, noise dampening factor, and excitation frequency selection. Flow data and programmable parameters as well as diagnostic messages are displayed on the backlit 4-line x 16-character LCD, which also serves to guide users through the simple programming routines. The amplifier can be either meter or remote mounted .

Features include uni-directional or bi-directional flow, empty pipe detection, pulsed DC magnetic field for zero point stability, no pressure loss, and corrosion resistant liners for long life. Integral and remote signal converter options are available, with optional grounding rings or grounding electrode. Typical applications include water and wastewater, reclaimed water, chemical, pharmaceutical, and food and beverage industries .