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The Nova 362 Series are portable analyzers that can provide a detailed analysis of flue gas composition. They have been designed to be accurate, reliable, and easy to use and maintain. Model 362 has customer-replaceable sensors, which respond quickly to the O2, CO, and NOx present in the flue gas sample. The sensor life expectancy is between 3-4 years.

In operation, a built in sample pump draws in the flue gas sample through the S.S. probe, 12 ft. sample hose, condensate removal filter, secondary filter, flow meter, and then on to the three sensors. The detected O2, CO, and NO are displayed on separate LCD digital meters, which have a switchable backlight for use in dark areas. The analyzer can be operated for long periods unattended.

The Nova 362 can also optionally indicate net stack temperature for doing fuel efficiency calculations (362T). The temperature sensor is built into the sampling probe. Efficiency charts for each fuel are provided.

A rechargeable 'gel cell' battery provides enough power for about 16 hours of continuous operation and the analyzer can be used while it is being recharged. A red LED indicates when to recharge and a green LED verifies that it is receiving recharging power. The battery recharger is included with the analyzer. The rugged dust-tight and water resistant case is ideal for use in harsh environments.
Unit of Measure


N/A Customer replaceable electrochemical O2, CO and NO sensor


N/A 0-200 to 0-2000 PPM NOx (as NO); 0-1800°F (0-1000°C) net stack temperature (362T) 0-25.0% O2; 0-2000 PPM to 0-4.00% CO (switch selectable)


N/A 0.1% O2; 1 PPM on CO and NOx


N/A <1% of O2; ± 10 PPM CO; ± 3 PPM NOx


N/A ±2% of full scale per 8 hours of continuous operation


N/A 10-12 seconds for O2; 20-30 seconds for CO and NOx


N/A 0 to 40 ºC32 to 105 ºF


N/A ±1% of full scale of each gas measured


N/A K Style: 10 1/2" W x 14" L x 6" H @ 13 lbs (27 x 35 x 15 cm @ 6 kg) WP Style: 18" W x 12" L x 5 1/4" H @ 13 lbs (45 x 30 x 13 cm @ 6 kg)


N/A AC/DC Operation, 115 VAC 60 Hz for recharging (Other voltages available.)


N/A 4-20 mA or 0-1 VDC


N/A 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.


N/A Carbon Monoxide (CO) Oxides of Nitrogen (NOx) Oxygen (O2)


N/A Flue Gas or Emissions


    Analysis of oxygen (O2), carbon monoxide (CO), and oxides of nitrogen (NOx as NO). For checking combustion efficiency, air infiltration, NOx emissions, and burner & control performance of furnaces, heaters, and boilers. May be used in commercial, industrial and residential applications.


  • Long life electrochemical sensors for each gas
  • Rugged design that is easy to operate and maintain
  • Fast warm-up and response
  • Digital readout meter with backlight
  • Rechargeable battery operation
  • Built in sample pump, filter, flow meter, and continuous condensate removal
  • Weatherproof (WP) cabinet with clear Lexan cover
  • Stainless steel probe with sample hose
  • For use on any fuel
  • Dual CO range: 0-2000 PPM and 0-4.00% CO
  • Rapid CO & NOx reading recovery on 'overdose'
  • Pays for itself in months through fuel savings


  • Recorder outputs of 0-1 V or 4-20 mA
  • Stack temperature readout (362T)
  • Special sampling probes
  • Sample pre-cooler
  • Suitcase (K) style cabinet available
  • AC power only operation
  • NOx as NO and NO2
  • Detachable/portable data logger


  • Air for O2 span, CO zero and NOx zero
  • Analyzed mixture of CO and NO in nitrogen for CO and NO span, and O2 zero

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