This Teledyne analytical instrument is a reliable and accurate way to measure the percentage of oxygen in gas samples. The model 3290, also known as the TED 200 T7, comes equipped with a digital LCD display for easy readings. It has been well-maintained and is in excellent working condition.

The brand, Teledyne, is known for its high-quality analytical instruments, and this model lives up to that reputation. It is perfect for use in industries such as manufacturing, laboratory analysis, and research. Don't miss out on the opportunity to add this trustworthy instrument to your collection.

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