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For continuous analysis of Methane (CH4) in process gas streams using an infrared detector. Percent and PPM levels available as Models 470 & 470L respectively.
Unit of Measure
N7MC generic

Continuous Process Analyzer for Methane by Infrared Detector, Wall Mounted NEMA7 UL/CSA Explosion-proof with Non-intrusive Magnetic Calibration, Class 1 Div 1 Group BCD

RMN7 generic

Continuous Process Analyzer for Methane by Infrared Detector, ex-proof sensor housing with rack mount control cabinet (two separate enclosures)

N4 purge generic

Continuous Process Methane Gas Analyzer by Infrared Detector - 470 Series; NEMA 4 cabinet with Hazardous Area Purge System
Method of Detection N/A Single cell NDIR with no moving parts
Ranges Available N/A 470 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% CH4 470L - 0-500, 0-1000, 0-3000, 0-5000, PPM CH4
Resolution N/A 0.1% CH4 on % versions, 1 PPM CH4 on PPM versions
Accuracy & Repeatability N/A 1% of full scale
Drift N/A Less than 2% of full scale per month
Response Time (T-90) N/A Less than 15 seconds
Ambient Temperature Range N/A 40 to 122°F (5 to 50°C), Lower temperatures (-5°F, -20°C) available with Cold Weather Package
Linearity N/A ±1% of full scale
Size & Weight N/A Physical data will vary depending on enclosure style and options required
Power N/A 115 VAC, 60 Hz 220 VAC, 50 Hz
Output Options N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, MODBUS, Ethernet outputs
Alarms N/A High and/or low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating Low flow alarm
Options N/A Cabinet coolers can be fitted to most models Cabinet purge system available for use in hazardous areas Cold weather package for operation to -5°F (-20°C) Full automatic calibration with touch screen LCD display Hi/Low gas, low flow, and diagnostic alarms available High temperature filters and probes Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available One-step 'cal-now' button with touch screen LCD display Sample conditioning systems available for removal of moisture, acidic gas, and dust Sensors mounted in temperature controlled heated box to improve accuracy
Analyzer Type N/A Continuous Online, Single Gas
Hazardous Area Rating Options N/A Class 1, Div 1, Grp A-D Hazardous Area Rating N/A Class 1, Div 1, Grp A-D Hazardous Area Rating N/A Class 1, Div 2 Hazardous Area Rating
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