The Kobold DVZ series vortex flow meter is the perfect solution for applications where reliability and low cost are desired.
The Kobold DVZ series vortex flow meter senses the flowrate of low viscosity liquids using the vortex shedding principle. A small obstruction called a bluff body is placed in the flowpath. As fluid flows across the bluff body, a small low-pressure area called a vortices is created just behind the bluff body. The position of the vortices alternates to either side of the bluff body in a uniform pattern. The frequency of the vortices shift is directly proportional to flowrate. This shift in the vortices is detected by a very sensitive pressure sensor and processed as a flowrate signal.
The Kobold DVZ series vortex flow meter has no moving parts and thus is very reliable. The Kobold DVZ series vortex flow meter is available with a Ryton body and a choice of either nickel plated brass or 316 stainless steel fittings. The bluff body is available in either ryton or ceramic, which has excellent long term wear characteristics. The available outputs are frequency, 4-20 mA, adjustable relay, and compact electronics with digital flowrate display, 4-20 mA output and adjustable transistor switch options.
This product can be used in the following applications:
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