testo 315-3 Ambient CO and CO2 Detector

$1,331.00 inc. GST

Key Features:

Measures CO & CO2. 

Temperature & Humidity Measurements. 

Optional Bluetooth Interface.

Optical & Audible Alarms.


Free Shipping - Australia only - Free

The testo 315-3 is an easy-to-use, ruggedly designed CO and CO2 meter that enables you to carry out quick and reliable ambient measurements according to DIN EN 50543 standard.

Cutting-edge technology, easy-to-use, rugged design. These are just a few of the features which make the testo 315-3 stand out head and shoulders above the rest. The CO andCO2 meter is designed to 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 are activated when CO/CO2 thresholds are breached. The thresholds can be adjusted to suit your range of applications.

The intelligently designed meter has an energy-saving lithium polymer rechargeable battery and powers off automatically when not in use.

And here’s yet another practical feature: the CO and CO2 meter for ambient measurements can also be used in combination with the testo 330-2 flue gas analyzer. The CO/CO2 reading scan be transferred directly to the analyzer via Bluetooth

( Not compatible with this model - Please contact testo If you require the Bluetooth enabled model)

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

The testo 315-3 is already well equipped to meet all the demands you would put on a CO and CO2 meter. The following accessories are designed to allow you to customize your meter to suit your own individual requirements: 

  •          TopSafe protective casing: water and dirt repellent; provides your testo 315-3 CO and CO2 meter with protection in wet and dirty conditions 
  •          Testo fast printer: The testo turbo printer enables you to print out on site and provide your customers with the necessary documentation. The results are                   transferred to the printer via Bluetooth 
  •          Temperature/humidity module: allows you to carry out quick and reliable temperature and humidity measurements

Whats Included: Testo 315-3, USB power adaptor, Cable 

Technical Data

Storage Temperature -20 to + 50°C
Operating temperature -50 to + 45 °C
Battery Type  AA Alkaline 
Housing  ABS/TPE/Metal
Dimensions 220 x 74 x 46 mm
Warranty On Sensor CO Sensor - 12 Months
CO2 Sensor - 12 Months 


Instrument Sensor

Sensor type Measuring range Accuracy Resolution
CO Sensor  0 to 100 ppm ± 3 ppm ( 0 to 20 ppm )
±0.2% of m.v. (remaining range)
0.5 ppm
CO2 Sensor  0 to 10,000 ppm ±300 ppm (0 to 4.000 ppm)
±8% of mv (4.000 to 6.000 ppm)
±500 ppm (6.000 to 10.000 ppm)
10 ppm
Temperature & Humidity Module  -10 to +60 °C

+5 to +95 %RH

±0.5 °C (±1 Digit)

±2.5 %RH (5 to 95 %RH)

0.1 °C

0.1 %RH


Testo fast printer

Testo fast printer


Spare thermal paper

Spare thermal paper


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