What keeps Perkin-Elmer's Model 9 0 0 Gas Chromatograph so new and so far ahead?
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I; You probably know the reputation earned by Perkin-Elmer's Model 900 Gas C h r o m a t o g r a p h . It's generally regarded as the best and the
most business-like GC instrument in the w o r l d . It g o t that way b e cause the most e x p e r i e n c e d staff of GC development engineers in the business designed it without compromises, w i t h o u t cost cutting, with no easy ways out. What keeps t h e Model 900 at the top is that it changes to incorporate the newest in GC t e c h n o l ogy. Its appearance hasn't changed much. But inside and out our engineers constantly embody the latest and best features in the stateof-the-art. Recent major changes i n c l u d e such features as d i r e c t reading controls w h i c h require no conversion charts; the parametric amplifier (with the widest dynamic range in the business) now has a 10 volt output f o r computer c o m patibility; integrated circuits for electronic reliability; an advanced
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toroidal oven designed f o r close t h e r m a l c o u p l i n g of o v e n a n d c o l u m n ; solid state, all-electronic timers, and many more. Operationally you'll find the Model 900 as versatile as a GC can be, yet incredibly simple t o use. Controls are designed s o that analytical conditions can be reproduced exactly f o r runs w h i c h are days or weeks apart. A n d anyone can do it. Our new brochure describes what we have recently done to the Model 900 to give y o u quality where it c o u n t s . ..in your analytical results. For your copy write t o PerkinElmer Corporation, Instrument Division, 7 0 2 Main Avenue, Norwalk, Conn. 06852.
PERKIN-ELMER
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Circle No. 142 on Readers' Service Card
ANALYTICAL CHEMISTRY, VOL. 42, NO. 14, DECEMBER 1970
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