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The Nova 310 Series Portable Flue Gas CO Analyzer utilizes a reliable, customer-replaceable electrochemical sensor which responds quickly to the CO present in the flue gas sample. Its life expectancy is between 3 and 4 years.

In operation, a built-in sample pump draws in the flue gas sample through the S.S. probe, 12ft sample house, condensate removal filter, secondary filter and flow meter then on to the CO detector. The detected CO is displayed on an LCD digital meter which has a switchable backlight for use in dark areas. A dual range switch allows either the 0-2000 PPM or the 0-4.00% range to be displayed.

A rechargeable battery provides enough power to the pump and electronics for about 20 hours of continuous operation. The analyzer can still be operated while it is being charged. A red LED light on the front panel indicates when to recharge. A green LED lights indicates when the charge is complete. The analyzer is supplied with a 12 ft. (4 m) sample hose and S.S. probe.
Unit of Measure


Method of Detection

N/A Customer replaceable electrochemical CO sensor

Ranges Available

N/A 0-2000 PPM and 0-4.00% CO - Switch selectable (other ranges available)


N/A 0.01% CO in % range 1 PPM in PPM range

Accuracy & Repeatability

N/A Better than 1% of full scale, based on a 0-2000 PPM range


N/A Less than 1% full scale per day

Response Time (T-90)

N/A 20-30 seconds

Ambient Temperature Range

N/A 0 to 50 ºC32 to 122 ºF


N/A Better than 1.0% of full scale

Size & Weight

N/A 11 1/2" L x 8" W x 7 1/4" H @ 8 lbs (29 x 20 x 18 cm @ 3.6 kg)


N/A AC/DC operation, 115 VAC 60 Hz for recharging (220 VAC 50 Hz available)

Output Options

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


N/A High or low CO alarm with LED (optional)

Analyzer Type

N/A CO Analyzer

Hazardous Area Rating Options

N/A General Purpose, Non-Hazardous



    For boiler or furnace flue gas analysis where a continuous oxygen analyzer already exists, but carbon monoxide (CO) must still be measured.



  • Rugged design that is easy to operate and maintain
  • Fast warm-up and response
  • Disposable, long life electrochemical CO sensor
  • Rechargeable battery operation
  • Use on flue gas from any fuel
  • Dual range: 0 - 2000 PPM & 0 - 4.00% CO
  • Built in sample pump, filter and flowmeter
  • Continuous condensate removal
  • Rapid reading recovery after CO 'overdose'
  • Stainless steel probe with sample hose



  • Recorder outputs of 0-1 V or 4-20 mA (can be isolated)
  • Stack temperature readout (310T)
  • Special sampling probes
  • Sample pre-cooler
  • Suitcase (K) style cabinet available
  • AC power only operation
  • CO alarm with LED
  • Detachable/ Portable data logger



  • Air for zero
  • Analyzed calibration gas mixture of PPM CO in nitrogen for span.

Unique 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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