The Model O2T oxygen monitor is designed for transfillers to verify the strength and identity of medical grade USP oxygen. This unit meets the FDA requirements under 21CFR211 for this application. The analyzer measures oxygen/nitrogen mixtures near 100% with an accuracy of 0.1% and features an electronic flow meter and touch panel controls for calibration. A calibration kit accessory is available comprising certified cal gases, regulators, and flow control accessories.