Testo 315-3 CO and CO2 meter for Ambient Measurements

  • Simultaneous CO and CO₂ measurement – quick and accurate readings
  • Visual & audible alarms – alerts you when limits are exceeded
  • Rechargeable battery – up to 10 hours runtime with auto shut-off
  • Rugged design with optional TopSafe case – built for tough sites
  • Infrared interface & optional printer – easy on-site reporting
  • Optional temp & humidity module – extra environmental data
  • Compact & lightweight – easy to carry and use on site
£994.80 £829.00

Availability: Usually 5 working days

Product Code
TES315-3

Free Delivery

90-day Returns

Technical Support

Testo 315-3 CO and CO₂ meter for Ambient Measurements 

What is the Testo 315-3 CO and CO₂ Meter?

The Testo 315-3 is a high-accuracy CO and CO₂ meter tailored for UK professional technicians. It enables fast, simultaneous measurement of carbon monoxide and carbon dioxide in heating systems and ventilation ducts, helping you maintain safe and efficient installations.

With clear visual and audible alarms, adjustable threshold limits and a user-friendly display, this meter ensures reliable, compliant readings in line with DIN EN 50543 standards.

 

Why Choose the Testo 315-3 for Your Testing Needs?

Perfect for heating system checks and ventilation safety, the Testo 315-3 combines advanced sensors with practical features like a rechargeable lithium polymer battery and automatic power-off for long-lasting, hassle-free operation on site. Its bright, easy-to-read display and intuitive controls also mean faster and more reliable measurements. 

Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.

 

More Information
ManufacturerTesto
Manufacturer Part Number0632 3153
GTIN4029547002649
document Datasheet (1.14 MB)
document Manual (802.92 kB)
  • Operating humidity; 0 to 95 %RH
  • Weight; 200 g
  • Dimensions; 190 x 65 x 40 mm
  • Operating temperature; 0 to +40 °C
  • Protection class; IP40 (EN 60529)
  • Standards; EN 50543
  • EU/EG guidelines; 2004/108/EG
  • Interface; IRDA / optional Bluetooth
  • Storage battery type; Lithium polymer rechargeable battery
  • Battery life; 10 h measurement time (at +20 °C)
  • Battery charging; In instrument via mains unit
  • Storage temperature; -20 to +60 °C
  • Attachable humidity module; Capacitive sensor
  • Humidity measuring range; +5 to +95 %RH
  • Humidity accuracy; ±2.5 %RH (5 to +95 %RH)
  • Humidity resolution; 0.1 %RH
  • Ambient CO₂ measuring range; 0 to 10,000 ppm
  • CO₂ accuracy; ±500 ppm (6,000 to 10,000 ppm), ±300 ppm (0 to 4,000 ppm), 8% of mv (4,000 to 6,000 ppm)
  • CO₂ resolution; 10 ppm
  • Ambient CO measuring range; 0 to 100 ppm
  • CO accuracy; ±5 ppm (>20 ppm), ±3 ppm (0 to 20 ppm)
  • CO resolution; 0.5 ppm
  • Temperature measuring range; -10 to +60 °C
  • Temperature accuracy; ±0.5 °C (±1 digit)
  • Temperature resolution; 0.1 °C
Other products you might like

Why choose Instrotech for your electrical test equipment?

With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:

  • Free UK shipping on all orders
  • Access to our knowledgeable technical support team
  • Available calibration services to maintain safety compliance
  • A 90-day money-back guarantee for complete peace of mind

We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.