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Temperature Transmitters Offer Sensor Calibration and Backup Redundancy

Mon, 09/15/2008 - 9:36am

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ABB TTH300Operating in 2 Platinum 100 resistance thermometers with 3-wire connections, ABB Instrumentation’s TTH300 head-mounted and TTF300 field-mounted HART temperature transmitters offer sensor calibration and backup redundancy. The components make sensor adjustments based on 1- or 2-point calibration and linearization via the Callendar van Dusen equation with sensor monitoring consisting of wire-break, short circuit, out-of range signal and corrosion. The devices include a 4 mA to 20 mA output using signal-incorporating HART protocol communications fieldbus technology and inputs for resistance thermometers and thermocouples, resistance-type transmitters and millivolt voltage transmitters. The transmitters offer measuring accuracy of ±0.1 K for Pt resistance thermometers along with long-term stability of ± 0.05% per year.

ABB Instrumentation
215-674-6580, www.abb.us

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