CO and CO2 measuring instruments

The measuring parameters of [humidity,] CO2 and CO play an important role in monitoring production, storage and transport conditions, determining thermal comfort levels and indoor air quality or in VAC systems.

24 products or recommendations for CO and CO2 measuring instruments
  • testo 435-1 - Multifunction meter

    Order-Nr. 0560 4351

    The testo 435-1 is an economic multifunction meter capable of monitoring, analyzing, and diagnosing indoor air quality. In addition, you can easily pinpoint and troubleshoot airflow problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-1.

    • Wide array of probes available for various applications

    • Optional wireless (RF) temperature probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

  • testo 535 - CO2 meter

    Order-Nr. 0560 5350

    Ideal for monitoring and optimizing the ambient air, the testo 535 CO2 meter with a maintenance free, long term stable sensor.

    • Quick and accurate CO2 measurements

    • Long term measurements using max / avg values

    • Long term stable / maintenance free infrared sensor

    • Optional testo turbo printer for printouts on site

  • testo 445 - Service instrument for air conditioning / ventilation systems

    Order-Nr. 0560 4450

    You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument; this versatile tool can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. This climate measuring instrument supports you in adjusting and checking ventilation and air conditioning systems.

    • Multi-function climate measuring instrument: measure up to 6 measurement parameters at the same time

    • Internal reading memory for up to 3,000 readings

    • Automatic allocation of the duct cross-section to the measuring location (max. 99 measuring locations)

    • Automatic mean value calculation and determination of the volume flow

  • testo 435-3 - Multifunction meter w/ integrated differential pressure

    Order-Nr. 0560 4353

    The testo 435-3 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot airflow problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-3.

    • Integrated differential pressure measurements for flow velocity

    • Optional wireless (RF) temperature probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

  • testo 435-2 - Multifunction meter w/ memory and software

    Order-Nr. 0563 4352

    The testo 435-2 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-2.

    • Built-in memory stores up to 10,000 measurements

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

  • testo 480 - Digital temperature and humidity meter

    Order-Nr. 0563 4800

    Air flow measurements in ventilation ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms – the testo 480 temperature and humidity meter comes with a wide range of optional sensors that allow you to measure, analyze, and log these and a variety of other parameters with only one device.

    • High quality optional sensors for measuring air flow / temperature / humidity / pressure / degree of turbulence / heat radiation / CO2 / illumination intensity / PMV / PPD / WBGT

    • High precision, integrated pressure difference sensor included

    • Pro-software for easy and efficient analysis and logging included

    • Intelligent calibration concept

  • testo 435-4 - Multifunction meter w/ memory, software, and differential pressure

    Order-Nr. 0563 4354

    The testo 435-4 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-4.

    • Integrated differential pressure measurements for flow velocity

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Built-in memory stores up to 10,000 measurements

  • testo 317-3 - Ambient CO meter

    Order-Nr. 0632 3173

    The testo 317-3 ambient CO meter detects the presence of carbon monoxide (CO) in ambient air, and warns the user if potentially harmful CO concentrations are reached.  With programmable settings for both visual and audible alarms, as well as hands free operation, ambient CO testing during furnace and boiler service and maintenance, weatherization audits, or home inspections has never been easier.

    • No zeroing required

    • Audible and visual programmable alarms

    • Compact design with belt clip for hands free operation

    • Easy to read backlit display

  • testo 315-3 - CO and CO2 meter for ambient measurements

    Order-Nr. 0632 3153

    The high-quality testo 315-3 is an easy to use, ruggedly designed CO and CO2 meter for quick and reliable ambient measurements according to DIN EN 50543 standard.

    • High-precision electrochemical CO sensor, shock resistant infrared CO2 sensor

    • Visual and audible alarm when thresholds are breached – adjustable thresholds

    • Rugged design

    • Rugged sensors

  • testo 160 IAQ - Wi-Fi data logger with display and internal sensors for temperature, humidity, CO2, and atmospheric pressure

    Order-Nr. 0572 2014

    The easy to use testo 160 IAQ Wi-Fi data logger is ideal for monitoring indoor air quality.  Using internal sensors for temperature, humidity, CO2, and atmospheric pressure, the testo 160 IAQ accurately determines the air conditions of a monitored area.

    • Ideal for monitoring indoor air quality (IAQ)

    • Optional paintable logger cover helps conceal the logger in an exhibit

    • Logger sends data to the Testo Cloud using your existing Wi-Fi network, alarms by email (Basic License), and optional text messages with the Advanced License

    • Simple to install, integrate, and operate; the air quality is displayed with traffic light style green, yellow, and red LED notifications

  • testo 440 - Indoor comfort ComboKit with Bluetooth

    Order-Nr. 0563 4408

    This testo 440 kit is great for evaluating indoor air quality and determining draft risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument and its CO2 probe with humidity/temperature sensor and turbulence probe can all be safely stored in the included case.

    • Intuitive: Clearly structured measurement menus for long-term measurement and parallel determination of CO2 concentration, humidity, air temperature, and degree of turbulence in workplaces

    • Precise: Calculation of wet bulb temperature, dew point, and absolute humidity – determination of the degree of turbulence and draft risk according to EN ISO 7730 / ASHRAE 55

    • Convenient: Wireless probes, internal memory for data storage, and USB port for data export

    • Versatile: Your testo 440 setup can be expanded with a large selection of digital probes

  • testo 440 - Air velocity and IAQ measuring instrument

    Order-Nr. 0560 4401

    Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument – the testo 440. This multifunction measuring instrument is intuitive and easy to use, thanks to its clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality, and carrying out comfort level measurements are all possible without the hassle of juggling different devices and tools. Enjoy the versatility of using your choice of high quality digital probes with just one measuring instrument.

    • Intuitive: Clearly structured measurement menus for volume flow, degree of turbulence, heating/cooling output, mold detection, and long-term measurement, such as CO2

    • Wireless: Optional Bluetooth probes for extra convenience when measuring, and less cable clutter in your instrument's case (probes sold separately)

    • Clear Overview: Large graphic display with parallel display of 3 readings

    • Reliable: Internal memory for data storage and USB port for data export

  • testo 440 dP - Air velocity and IAQ measuring instrument with differential pressure sensor

    Order-Nr. 0560 4402

    Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument – the testo 440 dP. This multifunction measuring instrument is intuitive and easy to use, thanks to its integrated differential pressure sensor and clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality, and carrying out comfort level measurements are all possible without the hassle of juggling different devices and tools. Enjoy the versatility of using your choice of high quality digital probes with just one measuring instrument.

    • Intuitive: Clearly structured measurement menus for volume flow, K factor, degree of turbulence, heating/cooling output, mold detection, and long-term measurement, such as CO2

    • Wireless: Optional Bluetooth probes for extra convenience when measuring, and less cable clutter in your instrument's case (probes sold separately)

    • Clear and Reliable: Large graphic display with parallel display of 3 readings, as well as internal memory for data storage and USB port for data export

    • Includes a differential pressure sensor for pitot tube measurements and monitoring filters

  • testo 440 - CO2 kit with Bluetooth

    Order-Nr. 0563 4405

    This testo 440 kit is great for carrying out indoor air quality measurements. The testo 440 air velocity and IAQ measuring instrument and its CO2 probe with humidity/temperature sensor can all be safely stored in the included case.

    • Intuitive: Clearly structured measurement menus for long-term measurements and parallel determination of CO2 concentration, humidity, and air temperature in indoor areas

    • Precise: Absolute pressure compensation, calculation of wet bulb temperature, dew point, and absolute humidity

    • Convenient: Wireless probes, internal memory for data storage, and USB port for data export

    • Versatile: Your testo 440 setup can be expanded with a large selection of digital probes

  • CO2 probe - CO2 probe

    Order-Nr. 0632 1240

    CO2 probe measures indoor air quality and monitors the workplace. With plug-in head, connection cable 0430 0143 or 0430 0145 required

    • Direct determination of CO2 levels in the indoor air

    • Precise NDIR measurement method

    • Maintenance-free sensor with long-term stability

    • Measuring range: 0 to +10,000 ppm

       

  • IAQ Probe - IAQ Probe

    Order-Nr. 0632 1535

    Designed to be used in applications that require multiple measurements, the IAQ simultaneously monitors CO2, relative humidity and temperature. The IAQ Probe has a MiniDIN connection.

    • 4 functions in one probe: measurement of CO2, humidity, temperature and absolute pressure

    • Rapid checking of the indoor climate

    • Prevention of poor air quality in indoor rooms via CO2 measurement

  • IAQ probe including tripod

    Order-Nr. 0632 1543

    IAQ probe including tripod

    • 4 functions in one probe: measurement of CO2, humidity, temperature and absolute pressure

    • Rapid checking of the indoor climate

    • Prevention of poor air quality in indoor rooms via CO2 measurement

    • Intelligent calibration concept

  • CO Probe - CO Probe

    Order-Nr. 0632 1235

    Hand held external CO probe designed to measure ambient CO. With a 6 foot cable, and a magnetic holding clip, measuring important CO values in hard to reach places has never been easier. The CO Probe has a MiniDIN type connection.

    • Long-term measurement stability thanks to electrochemical sensor

    • Automatic zeroing

    • Measuring range: 0 to +500 ppm

  • CO₂ probe (digital) - including temperature and humidity sensor, wired

    Order-Nr. 0632 1552

    For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature.

    • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity and air temperature in indoor areas

    • Precise: calculation of wet bulb temperature, dew point and absolute humidity

    • Convenient: a universal handle can easily be connected to other probe heads

    • Intelligent calibration concept

  • CO₂ probe (digital) - with Bluetooth® including temperature and humidity sensor

    Order-Nr. 0632 1551

    For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

    • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity and air temperature in indoor areas

    • Precise: calculation of wet bulb temperature, dew point and absolute humidity

    • Convenient: Bluetooth connection between measuring instrument and probe, a universal handle can easily be combined with other probe heads

    • Intelligent calibration concept

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