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Item # Model 481N4N7, Model 481N4N7, Carbon Monoxide Analyzer (infrared), ex-proof sensor housing with NEMA4 wall-mount control cabinet (two separate enclosures)
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The Nova FLEXI-NOVA Series Platform has been designed for continuous gas measurements in applications and environments that are less intensive. Lab work, research, clean processes, pre-treated / pre-cleaned produced gases, and others, may benefit from the FLEXI-NOVA series.
Depending on application, some light-duty sample conditioning features may be available. For clean process measurements of percent-level CO gas by infrared detector.
All sensors / detectors are temperature-controlled or temperature-compensated for maximum analytical stability. Easy calibration using touch-screen controls. Serial Output Package allows connection & data-logging to personal computers via a choice of USB / RS-232 / RS-485.
Cabinets: Wall Mounted NEMA7 UL/CSA Class1 Div1 Explosion-proof sensor cabinet, with NEMA4 wall-mount control cabinet (two separate cabinets)
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Method of Detection
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Single cell NDIR with no moving parts
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Ranges Available
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High ranges - any from 0-40 to 0-100% CO
Standard ranges - 0-1.00, 2.00, 5.00, 10, 30% CO
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Resolution
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0.1% on most % ranges
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Accuracy & Repeatability
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±1-3% of full scale, depending on measurement range and application
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Drift
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Usually 2% of full scale per month or less, depending on range and application
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Response Time (T-90)
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Usually 20-30 seconds to 90% step change, depending on range and application
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Ambient Temperature Range
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40 to 104°F (4 to 40°C)
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Linearity
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Usually ±1.5% of full scale, depending on range and application
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Size & Weight
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EX-PROOF: 61H x 33W x 31H cm (24"H x 13"W x 12"D)
NEMA 4: 51H x 41W x 26D cm (20"H x 16"W x 10"D)
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Power
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115 VAC, 60 Hz
220 VAC, 50 Hz
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Output Options
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4-20 mA into 500 ohms non-isolated standard
Isolated 4-20 mA, RS232, RS485, serial outputs
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Alarms
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High and/or Low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating
Low flow alarm
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Analyzer Type
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CO analyzer (IR)
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Hazardous Area Rating Options
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Control Cabinet - General Purpose, Non-Hazardous
Detector Cabinet - NEMA7 Class 1 Division 1 Groups BCD
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Light-duty analyzers for applications or environments that are less intensive. For continuous analysis of percent levels of carbon monoxide (CO) in process gas streams using an infrared detector.
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- Detector is temperature-controlled or compensated for improved analytical stability
- Standard ranges, any between 0-30% CO
- High ranges available (up to 100%)
- Touch-screen display for gas readings
- Built-in sample pump or pressure regulator
- Non-isolated 4-20mA analog recorder output
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- Hi/Low gas and low flow alarms available
- Serial output & data-logging available
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- Easily Zero-checked on ambient air
- Span using bottled CO gas in N2
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The FlexiNova 481 Series analyzers are designed for detection of CO in non-corrosive gas streams. All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova at 1-800-295-3771. In many cases, we are able to build an analyzer specific to your needs.
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