Electro-Sensors' FM-Approved Temperature Sensors

Electro-SensorsInc.'s FM-approved temperature sensors now include a built-in conduit adapterand grease-fitting (zerk) tap. TT420-LT (Liquid Tight)temperature sensors combine a sensor, signal conditioner and loop-powered4-20mA transmitter into a rugged and compact package. With the addition of anintegrated conduit fitting, the 1/2-inch TT420Z-LT and TT420S-LT models are nowcompatible with a wider variety of sensing applications. Plus, all modelsarrive ready to use, with no user calibration required.

AllTT420-LT models are compatible with standard 2-wire 4-20mA current loops andanalog inputs. Models vary only in their measurement probes and fittings, whichare optimized for applications including grain handling facility shaft bearing(TT420Z-LT) and belt rub-block (TT420S-LT) temperature measurement. All modelsfeature an integrated fitting for 1/2-inch flexible liquid-tight conduit andare FM approved as Dust Ignition-proof for use in Class II and III, Ev. 1 and2, Group E, F, G ratings, when installed using Class II-rated (1/2 inch)flexible liquid-tight conduit. The TT420Z-LT is compatible with 1/8-, 1/4- and1/2-inch NPT grease fitting zerk taps. The TT420S-LT additionally screws into abrass rub-block with a 3/8-16 tap and is available with the option of a lugmount adapter, supporting a wide variety of mounting possibilities.

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