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All Categories > By Primary Gas to be Measured > Methane Analyzers (CH4) > Continuous Methane Analyzers for Hazardous Locations (Continuous CH4 Analyzers) > Continuous Process Methane Gas Analyzer by Infrared Detector - 470 Series > Item # Model 470RMN7  


Item # Model 470RMN7, Model 470RMN7, Methane Analyzer, ex-proof sensor housing with rack mount control cabinet (two separate enclosures)

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.

For clean process measurements, percent-level HC's as CH4 gas. 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 Class 1 Division 1 Groups BCD Explosion-proof sensor cabinet with 19" rack mount control cabinet (two separate cabinets)





Specifications  · Applications  · Features  · Options  · Calibration  · Unique Applications

Specifications

Method of Detection
Single cell NDIR with no moving parts

Ranges Available
0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% HCs as CH4

Resolution
0.1% CH4 on % versions

Accuracy & Repeatability
1% of full scale

Drift
Less than 2% of full scale per month

Response Time (T-90)
Less than 15 seconds

Ambient Temperature Range
40 to 104°F (4 to 40°C)

Linearity
±1% of full scale

Size & Weight
EX-PROOF: 61H x 33W x 31H cm (24"H x 13"W x 12"D)
RACK MOUNT: 22H x 48W x 47D cm (8.7"H x 19"W x 16"D)

Power
115 VAC, 60 Hz
220 VAC, 50 Hz

Output Options
4-20mA into 500 ohms non-isolated standard
Isolated 4-20mA, RS232, RS485 serial outputs

Alarms
High and/or Low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating
Low flow alarm

Analyzer Type
Methane Analyzer (HC's as CH4)

Hazardous Area Rating Options
Control Cabinet - General Purpose, Non-Hazardous
Detector Cabinet - NEMA7 Class 1 Division 1 Groups BCD


Applications
Light-duty analyzers for applications or environments that are less intensive. For continuous analysis of Hydrocarbons (as CH4) in process gas streams using an infrared detector.


Features
  • Detector is temperature-controlled or compensated for
    improved analytical stability
  • High ranges available (up to 100.0%)
  • Low ranges available (to 1.00%)
  • Touch-screen display for gas readings
  • Built-in sample pump or pressure regulator
  • Non-isolated 4-20mA analog recorder output
  • Detector is reliable and non-depleting
  • Fast response (T90 - less than 15 seconds)


Options
  • Hi/Low gas and low flow alarms available
  • Serial output & data-logging available


Calibration
  • Easily zero checked on ambient air or nitrogen (N2)
  • Span using a known CH4 in nitrogen calibration gas.


Unique Applications
The 470 Series analyzers are designed for detection of CH4 in non-corrosive gas streams. Also, the presence of higher order hydrocarbons will make the CH4 reading erroneously high. Detector response varies with each HC in the sample gas. Consult Nova for these applications. All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.



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