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APPLICATIONS Analysis of oxygen ( O2) , carbon monoxide ( CO) , and carbon dioxide ( CO2) . For checking the combustion efficiency, and burner & control performance of furnaces, heaters, and boilers. May be used in commercial, industrial, and residential settings. FEATURES ⢠Rugged design that is easy to operate ⢠Fast warm up and response ⢠CO2 actually measured by infrared detector, not calculated ⢠Dual CO range: 0-2000ppm & 0-2.00% ⢠Rapid reading recovery after CO ' overdose' ⢠Digital readout meters with backlight ⢠Modular design that is easy to maintain ⢠Rechargeable battery operation ⢠Built in sample pump, filter and flow meter ⢠Active condensate removal ⢠Weatherproof ( WP) cabinet with clear Lexan cover ⢠Stainless steel probe with sample hose OPTIONS ⢠Outputs of 0-1V or 4-20mA ( can be isolated) ⢠Stack temperature readout ( 375T) ⢠Special sampling probes ⢠Suitcase ( K) style cabinet available ⢠AC power only operation ⢠Gas alarms with LED ⢠Detachable/ portable data logger CALIBRATION ⢠Air for O2 span and CO/ CO2 zero ⢠Analyzed gas mixtures of CO2 and CO in nitrogen for span DESCRIPTION The Nova 375 Series Portable Flue Gas Analyzers have been designed for accuracy, reliability, ease of use and ease of service, providing a detailed analysis of flue gas composition. The sensors respond quickly to oxygen, CO2, and CO present in the flue gas sample. The O2 sensor life expectancy is between 3 and 4 years. The CO sensor life is 2-3 years under normal conditions of use. The O2 and CO sensors are customer-replaceable. The infra red CO2 sensor should not need to be replaced. In operation, a built in sample pump draws in the flue gas sample through the S.S. probe, 12 ft. ( 4 m) sample hose, condensate removal filter, secondary filter and flow meter and then on to the three sensors. The detected O2, CO2 and CO are displayed on digital meters which have a switchable backlight for use in dark areas. The Nova 375T version also indicates stack temperature for doing fuel efficiency calculations. The temperature sensor is built into the sampling probe. Efficiency charts for each fuel are provided. A rechargeable ' gel cell' battery provides enough power for about 16 hours of continuous operation and the analyzer can be used while it is being recharged. A red LED tells when to recharge and a green LED verifies that it is receiving recharging power. SPECIFICATIONS Method of Detection: Customer replaceable electrochemical oxygen and CO sensors. Solid state infra red detector for CO2. Ranges: 0-25.0% Oxygen 0-20.0% CO2 0-2000 PPM and 0-2.00% CO - Switch selectable 0-1800° F ( 0-1000° C) stack temperature ( Model 375T) Accuracy and Repeatability: Within ± 0.1% O2 and CO2; ± 10 PPM CO Drift: < 2% full scale per 8 hours of continuous operation Response Time ( T-90) : 10-15 seconds for O2; 20-30 seconds for CO and CO2 Ambient Temperature Range: 32° to 105° F ( 0-40° C) Linearity: ± 1.0% of full scale for each gas measured Size and Weight: WP style approx. 16" L x 4 1/ 2" H x 8" D @ 13 lbs ( 40.6 x 20.3 x 10.8 cm @ 5.6 kg) K style - approx. 18" L x 7" H x 12" D @ 15 lbs ( 45.7 x 30.5 x 17.8 cm @ 6.8 kg) Power: AC/ DC operation. 115VAC 60Hz for recharging ( other voltages available) Output Options: 4-20 mA or 0-1 VDC