The KAL-K thermal flow switch and KAL-A thermal flow sensor utilize Kobold's revolutionary, temperature compensating electronics. These compact, one-piece units provide reliable readings unaffected by temperature or physical characteristics of a wide variety of process liquids. This breakthrough is made possible through the use of state-of-the-art microprocessor technology. The microprocessor can be field calibrated to the users' liquid properties and operating range in a simple, five minute set-up procedure. This intelligence, coupled with a "no moving parts" design, make the KAL a superior performer in virtually all applications.
The KAL-K incorporates an 8 segment bar-graph LED flow trend indicator and one flow alarm setpoint. The setpoint is fully configurable as NPN, PNP, normally-open or normally-closed.
The KAL-A applies the KAL's advanced microprocessor based technology to the problem of rate detection. It incorporates a 4-20 mA, flow rate proportional output, the same 8-segment LED display found in the KAL-K, and an optional PNP setpoint alarm relay.
Based on the calorimetric principle, the KAL-K can continuously monitor the flow of both viscous and non-viscous media. Unlike other designs, the KAL is unique in its use of a single element to both heat the probe tip and measure its temperature. This integrated heating-measuring approach allows the probe to be machined into a single, continuous, protrusion-free surface. The absence of protrusions prevents contaminant from building up on the probe tip.
The KAL-A uses the calorimetric principle to continuously monitor the flow of low viscosity water-based media. Flow rate is transmitted via a 4-20 mA output while an optional PNP switch provides an alarm function. The transmission capability of the KAL-A is made possible by the high degree of temperature stability provided by its "intelligent" microprocessor based design. This digital approach also enables the use of a single RTD element to both heat the probe tip and measure it's temperature. Integrating the heating-measuring functions allows the probe to be machined into a single, continuous protrusion-free surface. The absence of protrusions prevents contaminant from building up on the probe tip.
This product can be used in the following applications:
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