PureAire 99040 Oxygen Deficiency Monitor, 0-30%

The PureAire Oxygen 0-30% Deficiency Monitor, model number 99040, is perfect for facilities that use inert gases such as nitrogen, CO2, helium, and argon among others. The monitor is well suited for use in confined spaces, cryogenic facilities, and freezers. The monitor will remain accurate at temperatures as low as -40C. PureAire's durable, non-depleting, long-life zirconium oxide sensor will last for 10+ years in a normal environment without needing to be replaced.

Features:

• Long life 10 + years average sensor life
• Two, user-adjustable, alarm relay setpoints are available or alarm defaults are set to 19.5% and 18.0%
• No Scheduled Maintenance Required
• Built-in 90db audible alarm
• Digital Display
• 4-20mA Analog Output (Active)
• Operates in Freezers at - 40 ºC
• No Drift due to Thunderstorms or barometric pressure changes
• Wall mounting brackets
• UL, CUL, and CE Approvals

Long-Lasting O2 Zirconium Sensor

The PureAire Oxygen Deficiency Depletion Monitor features a long-lasting zirconium oxide sensor that provides accurate readings for 10+ years with no scheduled maintenance.

PureAire's O₂ Deficiency Monitor is suitable for a wide range of uses. From bar and restaurant beverage stations, to tire repair centers, food processing plants, and hospitals, Oxygen Monitors ensure that nitrogen and CO₂ gas are safely used and that any leaks are detected before human safety is jeopardized.  Our zirconium O₂ sensor performs reliably in temperatures ranging from -40 to 60° Celsius, so it's ideal for environments including freezers, cryogenic facilities, and frozen food manufacturing plants. The low-maintenance and long-lasting sensor provides continuous monitoring in applications in which inert nitrogen gas and CO₂ gas are stored.  Once set up, the O₂ zirconium sensor will operate continuously. So long as everything is operating properly, the Monitor stays silent, but if oxygen levels fall to the OSHA action level, defined as 19.5%, the Monitor's built-in horn will sound, alerting employees to danger.