Series 3520 Front View
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The Series 2520 and 3520 are light-weight, compact portable oxygen analyzers designed for industrial and commercial applications where accurate, spot oxygen measurements need to be made. The analyzers are powered from standard NICAD batteries that are mounted internally within the enclosure. Also included is an AC/DC adapter that when in use, allows the analyzer to be operated while the NICAD batteries are being recharged. Optional equipment includes a sample pump, pressure regulators, sample filters, and a 4-20 mADC recorder output.

The Series 2520 is a percent oxygen analyzer that can be ordered in single measuring ranges from 0-1% to 0-100%. For trace oxygen measurements, the Series 3520 is the product of choice with single measuring ranges from 0-50 parts per million to         0-10,000 parts per million.
Series 3520 Rear View with pressure regulator and flow meter.
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