New Call-to-action
The Nova Model 7200-1-2 flue gas analyzer is specifically designed for use on flue gases from combustion processes burning gaseous fuels.

Sample Gas is drawn into the analyzer from the sampling probe, then pumped through a condensate removal system. Any condensate formed collects and is purged as it reaches a limit. Next, the dried sample gas is filtered again and then flows through a PTFE liquid block, calibration gas valves, pressure regulator, flow meter then on to the gas detector.

The 7200-1-2 analyzer features an electrochemical sensor, paramagnetic sensor or zirconia sensor for detecting % levels of O2, an electrochemical sensor for detecting PPM levels of CO and NDIR infrared detector for detecting % levels of CO.  A digital readout and an output is provided for each gas. The 7200-1-2 analyzer is multi-sample point capable (consult Nova).
Unit of Measure


Gases Measured

N/A Oxygen (O2) and CO

Method of Detection

N/A O2 by electrochemical sensor, paramagnetic sensor or zirconia sensor (depending on desired accuracy and sample composition), PPM CO by electrochemical sensor, % CO by NDIR infrared detector

Ranges Available

N/A 0-5 to 0-25% O2, 0-100 PPM to 0-100% CO


N/A 0.1% on % ranges, 1 PPM on PPM range

Accuracy & Repeatability

N/A ± 1-2% of full scale


N/A Less than 2% of full scale per month

Response Time (T-90)

N/A 20-30 seconds to 90% of step change

Ambient Temperature Range

N/A 32 to 122°F (0 to 50°C) @ 5-95% RH non-condensing. Lower temperatures (-5°F, -20°C) with Cold Weather Package. Sample dew point should be at least 9°F (5°C) below lowest sample temperature.


N/A ±1% of full scale

Size & Weight

N/A Dimensions and weight will vary with configurations selected


N/A 115 VAC, 60 Hz 220 VAC, 50 Hz


N/A High or low alarm contacts available for all gases and low flow

Code Numbers for Gases Measured

N/A O2 by electrochemical sensor, paramagnetic sensor or zirconia sensor (depending on desired accuracy and sample composition), PPM CO by electrochemical sensor, % CO by NDIR infrared detector

Sampling System

N/A Std SS probe with unheated pre-filter (Std. probe 3/8" O.D. x 18") (9.5 x 460 mm)

Display Type

N/A D1 - LED display (s) - Manual potentiometer calibration D2 - LED display (s) - Manual push-button calibration D3 - Microprocessor controller with single graphic display. Allows auto sequencing, RS-485 output, 'CAL NOW' and one-step D4 - Same as D3 but with full auto-calibration

Output Options

N/A OP1 - 4-20 mA non-isolated OP2 - 4-20 mA isolated OP3 - 0-5 V OP4 - 0-10 V OP5 - RS-485 OP6 - Modbus

Analyzer Type

N/A Flue Gas Analyzer

Industry Type

N/A Flue Gas or Emissions



    Continuous analysis of flue gas for any combination and range of O2, CO, CO2, SO2, NOx (NO or NO + NO2) or combustibles from combustion processes.



  • Best value continuous flue gas analyzer with modular sample conditioning
  • Oxygen detected by either long life electrochemical sensor, high accuracy paramagnetic sensor or zirconia sensor, depending on desired accuracy and sample composition
  • Fast response time and bright digital readout
  • Microprocessor based with push button calibration
  • Easy to maintain modular layout
  • Sample preparation includes moisture removal.



  • Hi/Low gas, low flow, and diagnostic alarms available
  • Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available
  • Cabinet purge system available for use in hazardous areas
  • One-step 'cal-now' button with touch screen LCD display
  • Full automatic calibration with touch screen LCD display and low flow switch
  • Cold weather package for operation to -5°F (-20°C)
  • Cabinet coolers can be fitted to most models
  • Sensors mounted in heated box for reduced drift
  • High temperature filters and probes
Optional sample conditioning includes:
  1. Continuous water pre wash system for acidic fuel gases present but not to be analyzed (Model 7300)
  2. Nafion-Tube™ based sample dryer for high accuracy analysis of acidic samples, where NO2 or SO2 are to be measured (Model 7250)
  3. Heated stack filter for removal of dust from high dust load (> µ) samples (Model 7240)
  4. Calibration gas injected at heated stack filter to minimize discrepancies due to absorption of soluble gases.
  5. Multiple sample point sequencer which allows multiple samples to be selected and analyzed (Model 402AS)

Unique Applications


    All Nova analyzers are built using proven technologies and techniques.

View Our
Product Catalog
Have a question?
Contact Us
Ready to get started?
Request Quote