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APPLICATIONS For checking carbon dioxide ( CO2) content in mushroom growing rooms, incubators, natural gas, controlled atmosphere storage rooms, welding gas mixtures, and other process applications. FEATURES ⢠Rugged design that is easy to operate ⢠Fast warm-up and response ⢠Solid state infrared detector ⢠Digital readout meter with backlight ⢠Modular layout that is easy to maintain ⢠Rechargeable battery operation ⢠Built-in sample pump, filter, and flowmeter ⢠Weatherproof ( WP) cabinet with clear Lexan cover OPTIONS ⢠Recorder outputs of 0-1V or 4-20mA ⢠Sample pre-cooler for hot samples ⢠Condensate removal for wet applications ⢠Suitcase ( K) style cabinet available ⢠AC power only operation ⢠CO2 alarm with LED ⢠Detachable/ portable datalogger CALIBRATION ⢠Air for zero ( except low range models which have a CO2 scrubber for zeroing) . ⢠Analyzed CO2 cal gas for span. DESCRIPTION The Nova 302A Series Portable Gas Analyzers have been designed for accuracy, reliability, and ease of use and service. The 302A uses a solid state infra red detector which reponds quickly to CO2 present in the gas sample. In operation, a built-in sample pump draws in the gas sample through the sample hose, condensate removal filter, secondary filter and flow meter then on to the infrared CO2 detector. The detected CO2 is displayed on an LCD digital meter which has a switchable backlight for use in dark areas. A rechargeable battery provides enough power for about 8 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. The recharger is included. SPECIFICATIONS Method of Detection: Microprocessor based infrared detector for CO2 Ranges Available: 0-3000, 0-5000, or 0-10, 000 PPM; 0-2% , 0-5% , 0-10% , 0-20% , 0-50% or 0-100% CO2 Resolution: 0.1 % CO2 on % versions; 10 PPM on PPM versions Accuracy and Repeatability: Within ± 2% full scale Drift: Less than 1% full scale per 8 hours of continuous operation Response Time ( T-90) : 30 - 40 seconds Ambient Temperature Range: 40° to 120° F ( 4° to 49° C) Linearity: Better than 1.0% of full scale Size and Weight: WP style - approx. 11½ " L x 8" W x 7¼ " H @ 8 lbs ( 29 x 20 x 18 cm @ 3.6 kg) K style - approx. 14" L x 10½ " W x 6" H @ 12 lbs ( 36 x 27 x 15 cm @ 5.5 kg) Power: AC/ DC operation. 115VAC 60Hz for recharging ( other voltages available) Output Options: 4-20 mA or 0-1 VDC Alarms: High or low CO2 alarms with LED ( optional)
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