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2400 Philmont Ave. PO Box 662 Huntingdon Valley, PA 19006 U.S.A. Phone: (215) 938-4400 Fax: (215) 947-7464 Email: techin@etigauges.com

ETI offers custom-designed filaments or completed assemblies. Filaments are fabricated from tungsten, rhenium or iridium. Coatings with thoria or yttria are also available. These coatings are designed to offer the advantages of a burn-out resistant base metal and a low-work function coating which enhances the operation of the filament in a variety of operating conditions.   Configurations Available Filaments are available in two basic forms, ribbon or wire. In addition, they may be further described as to form, namely straight, hairpin, "V" shape, spiral or special. Finally, filaments are made up with either plain ends or with platinum tabs for ease of welding. Complete welded and packaged assemblies can be provided on a custom holder.   Standard Sizes Ribbon- available in .002" thick x .027" wide in any length up to 3.00" long. Other widths and lengths can be supplied on special order. Wire- available in .005", .008" and .010" diameter in any length and configuration. Special diameters are available on special order. However, there are limits as to the diameters that certain metals can be drawn.   Ordering Information In ordering, please supply sketch or drawing of configuration required. Ribbon filaments should specify thickness, width, length of "active area", configuration (whether straight, hairpin, etc.), whether tabs are required and overall length. Wire filaments should specify wire diameter, configuration, and length of "active area". On spiral designs, show radius I.D. of spiral, turns per inch, number of turns, length of spiral, length of "pigtails" and overall length.   About the Company | ETI Gauges: Principles of Operation | Ionization Gauges | Special ETI Gauges | OEM and Custom Designs Configurations of Standard Gauges | Earlier Model Gauges | Replacement Filament Assemblies | ETI Custom Filaments | ETI Stems | | Contact ETI | Return Home | ©1999 ETI