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Temperature measurement

By Chemical Engineering |

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HART-compatible transmitter eases temperature monitoring

United Electric Controls

United Electric Controls

Industrial sensors monitor temperature or pressure abnormalities by comparing the process conditions with pre-programmed setpoints in a PLC or DCS controller. The HART-compatible One Series 1XTXSW transmitter line (photo) is said to be the first to integrate 4–20-mA output and two solid-state programmable relays (compatible with HART 7) for monitoring temperature or pressure in safety, alarm and emergency-shutdown applications. Typical electromechanical switches are blind and cannot alert workers that something is amiss with the device, says the company. With this device, however, users deploying a HART communications networks can add switches to the field assets used in their predictive-maintenance strategy and reduce routine inspections and unplanned shutdowns. Combining HART and smart diagnostics in one device, workers can manage all of their instrumentation assets, including switches, using a centralized asset-management solution. A large, back-lit display provides process values and setpoint programming. The One Series 1XTXSW hybrid transmitter switch effectively replaces a gage, switch and transmitter, requiring only one connection to the process. This helps to improve reliability while reducing lifecycle costs, and allows for health and switch-status notifications at about half the cost of a traditional process-control transmitter, says the manufacturer. The new One Series iX line has worldwide hazardous location approvals for Class I, Divisions 1 and 2 (Zones 0, 1 and 2). — United Electric Controls, Watertown, Mass.

www.ueonline.com

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