Catalog excerpts
Level transmitters Series LE Float level transmitter for liquids Simple construction Top mounted, or side mounted by means of external chamber Watertight and safe installation Excellent chemical resistance Measuring range: 150 mm … 6 m Resolution: 10 mm Connections: - EN 1092-1 flange. Other flange standards on request (ANSI, JIS,...) - Threaded connections BSP or NPT Materials: EN 1.4404 (AISI 316L), PVC, PP, PVDF, PTFE Level transmitter: - 4-20 mA analog output for safe or hazardous area (Ex ia IIC T4 or T6 protection, ATEX certified). HART, PROFIBUS, FIEL
Open the catalog to page 1Working principle By means of float with magnetic field and reed chain. A reed switches / resistance chain is mounted inside a guide tube. The changes in liquid level modify the float position in this guide tube, so that it activates the reed switches providing an output signal of variation of resistance, which can be later converted into an analog output of voltage or current. - PTFE, PVDF: Ambient temperature: - EN 1.4404 (AISI 316L): - PTFE, PVDF: Working pressure: - EN 1.4404 (AISI 316L) and PVC / PP / PTFE with AISI 316L inside: PN16 - PVC / PP / PTFE: PN10 Others on request...
Open the catalog to page 2Level transmitters Series LE Float types Floats models LE Type 1 Material Housings Plastic Series LE flanged connection Series LE threaded connection Materials Nº Polycarbonate / Aluminium Guide tube Float stop
Open the catalog to page 3The different housings can be used with all models of level transmitters. Drawings are shown only for dimensional data. Standard connections are shown. Others on request.
Open the catalog to page 4Level transmitters Series LE Transmitters Transmitter composed of a resistive sensor based on a reed and resistances chain, mounted on a printed circuit placed inside a guide tube. Variations in level inside the tank move the float, which by means of magnetic coupling changes the value of the resistance of the resistive sensor in correspondence to the measured liquid level. These variations of resistance are processed by an electronic converter in order to obtain a 0 ... 4-20 mA current output proportional to liquid level. Wiring diagram for 4-wire system level transmitter without galvanic...
Open the catalog to page 5R-CT-LE Rev. 1 english version PRESENCE IN MORE THAN 50 COUNTRIES ALL OVER THE WORLD Tecfluid S.A. Narcís Monturiol 33 08960 Sant Just Desvern Barcelona Tel: +34 93 372 45 11 Fax: +34 93 473 44 49 tecfluid@tecfluid.com www.tecfluid.com Quality Management System ISO 9001 certified by Pressure Equipment Directive 97/23/CE certified by ATEX European Directive 94/9/CE certified by HART® is a registered trademark of HART Communication Foundation The technical data described in this specification sheet is subject to modification without notification if the technical innovations in the...
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