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APPLICATIONS For continuous analysis of up to 0 10, 000 PPM carbon monoxide ( CO) in process gas streams using an electrochemical detector. FEATURES ⢠Best value continuous low-range CO analyzer ⢠Long life ( 1-3 years) electrochemical CO sensor ⢠Bright digital readout ⢠Fast response ( T90 - 6 to 8 seconds) ⢠Microprocessor control for push button calibration ⢠Easy-to-maintain modular layout ⢠Built in sample pump or pressure regulator ⢠Sensor mounted in temperature controlled heated box to improve accuracy ⢠4 - 20 mA outputs OPTIONS ⢠Hi/ Low gas, low flow, and diagnostic alarms available ⢠Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available ⢠Sample conditioning systems available for removal of moisture, acidic gas, and dust ⢠Cabinet purge system available for use in hazardous areas ⢠One-step ' cal-now' button with touch screen LCD display ⢠Full automatic calibration with touch screen LCD display ⢠Cold weather package for operation to -5° F ( -20° C) ⢠Cabinet coolers can be fitted to most models ⢠High temperature filters and probes CALIBRATION ⢠Nitrogen for zero. ⢠Analyzed CO calibration gas for span. DESCRIPTION The Nova 480 Series represent Nova' s best value in continuous low range CO process analysis. This analyzer utilizes a long-life electrochemical ' fuel cell' sensor for the detection of CO in process gases. The sensor produces a small millivoltage output which is directly proportional to the oxygen detected. The output is then amplified and displayed on a digital readout meter and recorder output. The 480 can be supplied with sampling pump or pressure regulator to suit most applications. MODELS There are seven types of mounting configurations available : ⢠480N4 - Wall mounted NEMA4 ( IP65) enclosure rating ⢠480N4X - Wall mounted corrosion-resistant NEMA4X ( IP65) enclosure rating ⢠480N12 - Wall mounted NEMA12 ( IP52) enclosure rating ⢠480PM - Panel mounted, slides open for easy access ⢠480RM - 19" ( 483mm) rack mounted, on sliding rails ⢠480N7MC: Wall mounted NEMA7 UL/ CSA ex-proof with non-intrusive magnetic calibration, Class 1 Div 1 Group BCD ⢠480PMN7: Wall mounted NEMA7 sensor housing with panel mounted control cabinet ( two separate enclosures) SPECIFICATIONS Method of Detection : Customer replaceable electrochemical ' fuel cell' CO sensor. Expected life 1 to 3 years depending on typical measurement concentrations. Ranges Available : Any range from 0-100 PPM to 0-10, 000 PPM C0 Resolution : 1 PPM CO Accuracy and Repeatability : ± 1% of full scale Drift : Less than 1% of full scale per month. Response Time ( T-90) : 6-8 seconds to 90% step change Ambient Temperature Range : 32-122° F ( 0-50° C) . Lower temperatures ( -5° F, -20° C) with Cold Weather Package. Linearity : ± 1% of full scale Size and Weight : Dimensions will vary depending on enclosure style and options required Power : 115VAC 60Hz ( 220VAC 50Hz available) Output Options : 4-20ma into 500 ohms non-isolated standard Isolated 4-20mA, RS232, RS485, MODBUS, Ethernet outputs optional Alarms : High and/ or low alarm contacts available, relay contacts SPDT 5A @ 220VAC rating. Low flow alarm optional
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