TT420
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Reliable Products Trustworthy People Temperature Sensors Features • 2-wire, loop-powered 4-20 mA analog output • Attachment probe, sensor, 2-wire 4-20 mA signal conditioner, and cable in one • Compatible with PLCs, meters, and data acquisition systems • No user calibration: works right out of the box • UL Listed, Intrinsically Safe (IS) • Class I, Div I (C, D) Class II, Div I (E, F, G) TT420 temperature sensors combine a sensor, signal conditioner and 2-wire looppowered 4-20 mA transmitter into a rugged and compact package. All models are compatible with standard 2-wire 4-20 mA current loops and analog inputs and are identical with the exception of the measurement probes and fittings. • Bucket Elevators • TT420Z* - 1/4 in stainless steel probe often used with thermowells and compression fitting mount (tanks, piping, bearing grease fittings) (6" Probe shown below) 2.00 * Available with or without compression fitting adapters TT420Z (with NPTF Zerk Fitting) • TT420S - 1/4-28 threaded stud - screws into any 1/4-28 tap • TT420F - flat surface mount mounts onto any flat surface with a #10 machine screw (included) 6111 BLUE CIRCLE DRIVE

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ELECTRO SENSORS TT420 Specifications Reliable Products Trustworthy People Ordering (standard cable length is 10' unless otherwise noted) Intrinsically Safe Barrier Option Model Accessories Accessory Customization If one of standard products does not meet your specifications, please do not hesitate to call one of our applications specialists. Many of our products can be customized to fit specific needs. Additional Information See the TT420 Temperature Sensor Installation and Operating Manual for complete details and specifications.

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