Zener Barriers/Galvanic Isolators work with IS transmitters.
November 9, 2006 -
Meeting ATEX IS requirements for hazardous locations, intrinsically safe, shunt-diode barrier Models MTL7706/7787 restrict amount of energy allowed to pass into hazardous areas to prevent ignition of flammable atmospheres. Offering alternative to shunt-diode safety barriers, Models MTL5041/5045 pass signals from transducer in hazardous area to source in safe area, eliminating need for high-integrity earth ground.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Dwyer Instruments, Inc.
Hwy. 212 at 12
Michigan City, IN, 46361
USA
NEW! Series MTL Intrinsically Safe Zener Barriers & Galvanic Isolators!
Dwyer Instruments, Inc., the preferred source for your complete range of practical and affordable instrumentation, is announcing the release of its NEW INTRINSICALLY SAFE ZENER BARRIERS & GALVANIC ISOLATORS, for use with IS transmitters.
Compatible with Dwyer Instruments Series 637, 638, 639 and 608 I.S. pressure transmitters, as well as Series 2200 I/P transducers, these new barriers meet ATEX IS requirements for hazardous locations. MTL7706/7787 ($165 and $100, respectively) shunt-diode barriers restrict the amount of energy allowed to pass into hazardous areas, to prevent ignition of flammable atmospheres. Alternative to using a shunt-diode type safety barrier, the MTL5041/5045 ($250 and $220, respectively) passes signals from a transducer in the hazardous area to the source in the safe area, eliminating need for a high-integrity earth ground.
To order a free catalog or for more information, contact Dwyer Instruments, Inc., P.O. Box 373, Michigan City, Ind., 46361. Telephone: (800) 872-9141 or (219) 879-8000; Fax: (219) 872-9057; Internet address: dwyer-inst.com; E-mail: lit@dwyer-inst.com.
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