Specialty Process Controllers Information
Specialty industrial process controllers are devices used to control one or more variables or processes related to a specialized application. They are designed for use in specialized applications requiring unique specifications or features. For example, a concrete controller might be designed to control flow, level, and media temperature. Because concrete (the media being controlled) experiences changes in its physical and chemical properties as it cures, the controller may be designed with special features to accommodate these changes.
For detailed information about specialty controller specifications, please see the Temperature Controller Selection Guide.
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Batch controllers maintain the correct size of a discrete batch of process material, such as the volume of a liquid. They are often interfaced with sensors such as load cells, or with volumetric flow meters.
Humidity controllers monitor and maintain proper humidity levels in environmental test applications, food storage areas, and electronic equipment rooms.
Level controllers monitor, regulate, and control liquid or solid levels in a process.
pH and ORP controllers monitor and can control the pH (acidity or alkalinity) and/or the ORP (oxidation reduction potential) of liquids involved in a testing or process application.
Pressure controllers accept input from pressure sensors, transmitters, gauges, and other devices and subsequently control adjustment to the pressure to maintain or achieve the desired pressure level.
Universal Process Controllers
Universal process controllers constitute a broad area of control devices that may be employed in the monitoring and control of many different process variables, including temperature, pressure, flow and other values.
Web controllers maintain control functionality over processes with web or sheet rollers. Control functionality includes maintaining tension of the web, centering on the track, and material feed rates.