NRC OxySpy Oxygen Analyzer is an ergonomically designed oxygen analyzer, which was specially developed for "Technical Diving". The OxySpy meets the highest quality requirements, offers great convenience and high reliability in gas analysis. The unique design of OxySpy makes it the perfect analyzer for oxygen analysis when filling gas cylinders or for checking the O2-Share of scuba tanks by Nitrox or Trimix divers. With the unique one-button operation, the analyzer can be calibrated, the measured value frozen and the Maximum Depth (MOD) displayed in m or ft. Operation with just one button suitable for left- and right-handers Measurement in both flow directions splashproof calibration gas detection Calibration at the push of a buttonFreezethe display value Setting the pO2 max (1.21.8 bar) MOD for the current O2% and pO2 max Shutdown automatically battery warning Warning for depleted O2 sensor Oxygen sensor easily replaceable replaceable lithium battery Battery life min. 3 years Se