Canada
270 Sherman Avenue N.
Hamilton, ON L8L 6N5
Phone: (905) 545 2003• Fax: (905) 545 4248 |
United States
1925 Pine Avenue
Niagara Falls, NY 14301
Phone: (716) 285-0418 • Fax: (716) 282-2937 |
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Email: sales@nova-gas.com or websales@nova-gas.com
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Item # 501 Series, Continuous Multi-Gas Ambient Air Analyzer
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The Nova 501 Series Multi-gas Ambient Air Alarm analyzers are designed for the continuous monitoring and alarm of up to four gases in any combination including: O2 deficiency, CO2, SO2, NO, NO2, H2, CO, CL2, NH3, H2S, % RH, and temperature of ambient air.
A built in pump draws in the sample for analysis. A 1/4" plastic tube may be attached to the analyzer to sample a different area, if desired. Alarms are provided for all gases. An audible 'Sonalert' will sound if any reading goes into alarm and an indicator light beside each digital meter shows which gas is in alarm. A reset button is provided to silence the alert.
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Method of Detection
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O2, CO, SO2, NO, NO2, H2, CL2, NH3 and H2S by electrochemical sensor, % RH by dielectric ceramic sensor, CO2 by infrared sensor
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Ranges Available
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0-100 PPM NO
0-100% RH
0-20 PPM H2S
0-20 PPM NH3
0-20.0 PPM CL2
0-20.0 PPM NO2
0-200 PPM CO
0-200 PPM H2
0-25.0% O2
0-50°C Temp.
0-50.0 PPM SO2
0-5000 PPM CO2
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Resolution
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0.1% on % gas, 1 PPM on PPM gas
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Accuracy & Repeatability
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±2% of full scale
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Drift
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2% per month
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Response Time (T-90)
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Varies with individual sensor but generally under 2 minutes for full reading
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Ambient Temperature Range
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4 to 40 ºC
40 to 105 ºF
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Linearity
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±2% of full scale or 1 PPM, whichever is greater
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Size & Weight
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Dimensions and weight will vary based on the number of gases and sample conditioning system
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Power
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115 VAC, 60 Hz for recharging
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, MODBUS, ethernet
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Alarms
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One low O2 alarm and one high alarm for all other gases. Separate relay contacts for each gas with 5A rating. Separate indicator lights. Common 'Sonalert' audible alarm with reset button. Field-adjustable set points.
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Unique Applications
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Warm up time is approximately two minutes however NO and NH3 may take up to 2 hours for full stability. The operating humidity range for this series of analyzers is 0-90% RH non-condensing. 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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Primary Gas to be Measured
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Ammonia (NH3)
Carbon Dioxide (CO2)
Carbon Monoxide (CO)
Chlorine (Cl2)
Hydrogen Fluoride (HF)
Hydrogen Sulfide (H2S)
Nitrogent Dioxide (NO2)
NO
Oxygen (O2)
Sulfur Dioxide (SO2)
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Models & Configuration Guidelines
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Standard system comes with NEMA 12 enclosure, built-in sampling pump, flow meter, pre-filter, liquid block.
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Gases Measured
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0) NH3 - 0-20 PPM
1) O2 - 0-25.0%
2) CO - 0-200 PPM
3) CO2 - 0-5000 PPM
4) LEL Combustibles (not avail. for 5287 Series)
5) H2S - 0-20 PPM
6) SO2 - 0-50 PPM
7) NO - 0-100 PPM
8) NO2 - 0-20 PPM
9) Cl2 - 0-20 PPM
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Industry Type
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Indoor Air Quality
Personnel Safety
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