Fischer & Porter Company - Analytical Chemistry (ACS Publications)

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Lab-Crest® Low-Flow Rotameters The New Performance Leader... By All Standards

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Now you can get all the features and options that make a great low-flow rotameter, combined in one and the same instrument. Built by the industry's most experienced team of control engineers and glass craftsmen, the new Lab-Crest Low-Flow Rotameter features a unique precision valve that provides linear control throughout the range of flows . . . a new low-flow tube with Ve-inch float that operates reliably in industrial environments . . . plus all the time-tested features that have made Fischer & Porter rotameters the standard of comparison since the birth of the industry: Convenience. Quick-release metering tubes with Viton cup seals are easily interchanged without tools. Rangeability. Eight interchangeable tubes provide a choice of flow ranges from 50 c c / m i n to 148 SCFH (air). Accuracy. Instantaneous readings are repeatable within ± 1 / 4 % , a direct result of F&P's unsurpassed experience. Visibility. Ceramic scale with white background is easy to read, permanently fused into the borosilicate glass surface. Versatility. Choice of meter bodies with 3, 6 or 10-inch scale for in-line or panel-mounting . . . or with tripod mount. Controllability. Precision sixteen-turn valve with interchangeable stems and sleeves provides linear control at all flow rates, as well as positive shut-off; low-cost valve also available for less sensitive applications. Corrosion Resistance. Standard aluminum end fittings are also available with interchangeable brass or stainless steel inserts; stainless steel standard on models with precision valve. More than ever, it makes sense to call us for all your rotameter needs, whether you are looking for OEM quantities or just one of a kind. We have the right type and the right options to meet your requirements exactly. Call (215) 674-6000 and ask for Lab-Crest Scientific Division. Fischer & Porter Company, County Line Road, Warminster, Pa. 18974.

LAB-CREST SCIENTIFIC A D I V I S I O N OF F I S C H E R S P O R T E R

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732 A · ANALYTICAL CHEMISTRY, VOL. 49, NO. 8, JULY 1977