NDIR CO2 controllers

The CO₂ infraredanalyser uses non-dispersive infrared (NDIR) spectroscopy to measure the concentration of carbon dioxide in a gas. It works by detecting the absorption of specific wavelengths by CO₂ molecules. The ZFP9 infrared CO2analyser enables precise, reliable measurement of CO2 concentration in agricultural, industrial, laboratory and HVAC systems.

Discover infrared CO2 gasanalyser

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ZFP9 infrared CO2 analyser

zfp9 infrared co2 analyser

CO2 monitoring in confined spaces

The ZFP9 non-dispersive infrared gasanalyser is dedicated to the analysis ofCO2 concentration in air. Air analysis is performed using a non-dispersive infrared sensor (NDIR sensor). This enables the ZFP9 to accurately measureCO2 concentration.

Thanks to its standard alarm functions (high and low limit), it can also be used as a control element.

The measured value is displayed directly on the indicator and sent to the analog output (4 to 20mA) included in the standard model.


CO2analyser applications

Our CO₂ analysers offer a reliable and accurate solution for monitoring air and environmental quality in a wide range of sectors.
Thanks to their advanced technology, they can measure, monitor and regulate carbon dioxide levels to optimize performance, safety and productivity.

application of co2 analyser

Characteristics of CO2analyser

Our CO₂analysers are distinguished by their cutting-edge technology and reliability in all operating conditions.

Designed to meet the needs of professionals inhorticulture, building ventilation and controlled-atmosphere storage, they combine precision, robustness and ease of maintenance.

  • High-performance infrared technology: fast, accurate measurement of CO₂ levels, even in demanding environments.
  • Optimum stability and low maintenance: reliable long-term operation with simplified servicing.
  • Integrated alarm functions (high/low limit): the device can be used as a control system, guaranteeing safety and efficiency in your processes.
  • Compact, lightweight design (≈ 3 kg): easy to install and handle, even in tight spaces.
  • EU-ROHS compliant: compliance with European environmental standards.
  • Integrated pump and filter: a complete, ready-to-use system for continuous, high-performance use.
  • Practical wall-mounting: easy, space-saving installation.

CO2analyser specifications

Operating principle NDIR

Theanalyser is based on the single-beam NDIR principle, a proven method for measuring gas concentrations. The device uses an infrared source to emit a beam of light through ambient air containing CO2. A detector then measures the amount of light absorbed by the CO2, enabling precise concentration determination.

Extended Measurement Scales

With a measurement range from 0 to 20%, theanalyser offers flexibility for a variety of applications, from domestic to demanding industrial environments.

Reliability and precision

Exceptional repeatability of ≤ ±1% ensures reliable, consistent measurements. What's more, zero drift is maintained at ≤ ±10% for a period of 6 months, guaranteeing long-term stability of results.

Fast Response Time

The fast response time of ≤ 10 seconds enables real-time monitoring, which is crucial in environments where variations in CO2 levels need to be detected quickly.

Advanced Sampling System

Equipped with an extraction pump and filter, theanalyser ensures efficient sampling of ambient gas. This guarantees accurate measurement even in environments where air composition may vary.

Adaptability to supply voltage

Available in versions suitable for 100 V, 115 V, 200 V or 230 V AC supply voltages, theanalyser can be easily integrated into various infrastructures.

Compact dimensions and light weight

With dimensions of 220 (W) x 257 (H) x 85 (D) mm and a weight of around 3 kg, theanalyser offers a compact, lightweight solution, making it easy to integrate into a variety of spaces and configurations.


The ZFP9 infraredanalyser gives you precise, reliable CO2 measurement right from the start!

Discover Fuji Electric's ZFP9 Infrared CO₂analyser : the reference solution for accurate, reliable and immediate measurement of carbon dioxide concentrations in your critical environments.

Thanks to its advanced infrared technology, the ZFP9 is easy to install and delivers accurate results right from the start, without drift or frequent recalibration.

You are looking for :

  • Optimize growth in greenhouses and hydroponics?
  • Ensuring healthy indoor air in your buildings?
  • Extend the shelf life of your cold rooms?
  • Ensuring stable conditions in your laboratories?

The ZFP9 is designed to meet these challenges: it helps you regulate CO₂ levels precisely, enhance safety, improve productivity and reduce your losses.