You've never had it so easy Van Waters & Rogers/Will Scientific brings you the only oxygen analyzers that use convenient, low cost replacement 0 2 cartridges with built-in membranes and electrolytes that you replace in seconds. In addition to ending messy recharge procedures, IBC polarographic Oxygen Analyzers offer many other unprecedented ease and convenience features: • Unique, built-in calibration reference that takes only seconds. • Dual sensor models for differential oxygen measurement. • Unconditionally safe—no external power sources, no possibility of ground loops. • Complete portability for lab or field use—up to 12 months of continuous use with 4 " D " cells (and a built-in battery tester). • Plus built-in temperature compensation, all solid-state circuitry, two scale ranges on each instrument: 0-25% and 0-100% oxygen. Ask your Van Waters & Rogers/Will Scientific representative to give you the full story of the IBC Oxygen Analyzers with the incredible time-saving replacement 0 2 cartridges.
VAN WATERS & ROGERS WILL SCIENTIFIC
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Circle No. 188 on Readers' Service Card
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ANALYTICAL CHEMISTRY, VOL. 43, NO. 1, JANUARY 1971
