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

0632 3153
  • High-precision electrochemical CO sensor, shock resistant infrared CO2 sensor
  • Visual and audible alarm when thresholds are breached – adjustable thresholds
  • Rugged design
  • Rugged sensors
  • 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.
    Cutting edge technology, easy to use, rugged design. These are just some of the features which make the testo 315-3 stand out head and shoulders above the rest. The CO and CO2 meter can measure carbon monoxide and carbon dioxide parallel in heating systems and ventilation ducts. The readings are presented on an easy to read display. A visual and audible alarm is activated when CO/CO2 thresholds are breached. The thresholds can be adjusted to suit your range of applications.
    This intelligently designed meter has an energy-saving lithium polymer rechargeable battery and powers off automatically when not in use.
    The CO and CO2 meter can also be used in combination with the testo 330-2 flue gas analyzer. The CO and CO2 readings can be transferred directly to the analyzer via the meter’s infrared interface.

    Tune up your CO and CO2 meter with a range of accessories for even more possibilities

    Your testo 315-3 is equipped to meet all the demands you would put on a CO and CO2 meter. The following accessories allow you to customize your meter to suit your own individual requirements:
    • TopSafe protective casing: water/dirt repellent; for protection in wet and dirty conditions
    • Testo turbo printer: provide your customers with the documentation they need with on site print outs. The results are transferred to the printer via the CO and CO2 meter’s infrared interface
    • Temperature/humidity module: for quick and reliable temperature/humidity measurements

    testo 315-3 CO and CO2 meter for ambient air measurements, USB power adaptor, cable

    General technical data

    Operating humidity
    0 to 95 %rH
    7 oz. / 200 g
    7 x 3 x 2 in. / 190 x 65 x 40 mm
    Operating temperature
    32° to 104 °F / 0 to +40 °C
    Protection class
    IP40 acc. to EN 60529
    According to EN 50543
    IRDA / optional Bluetooth
    Storage battery type
    Lithium polymer rechargeable battery
    Battery life
    10 h measurement time (at +20 °C/+68 °F) / Mains operation possible
    Battery charge
    In instrument via charger
    Battery charging option
    In instrument via mains unit
    Storage temperature
    -4° to 140 °F / -20 to +60 °C


  • Probes
    humidity module
      0636 9725