SKU: 0632 3155
![]()
The Testo 315-4 Ambient CO Measuring Instrument provides precise, TÜV-tested carbon monoxide detection for ambient air monitoring in accordance with DIN EN 50543 standards. Designed for safety and reliability, this instrument is the ideal companion for HVAC technicians, service engineers, and maintenance professionals who need to detect and assess carbon monoxide (CO) concentrations around heating systems, boiler rooms, and combustion environments.
With its intuitive operation, robust housing, and high-quality electrochemical sensor, the testo 315-4 ensures long-term measurement accuracy and stability. The instrument features a bright digital display for real-time readings and adjustable optical and acoustic alarms that immediately alert users to hazardous CO levels.
The testo 315-4 also supports temperature and humidity measurement when paired with an optional probe module, making it a versatile tool for comprehensive ambient air quality assessments.
| Parameter | Specification |
|---|---|
| Product No. | 0632 3155 |
| CO Measuring Range | 0 to 100 ppm |
| CO Accuracy | ±3 ppm (<20 ppm), ±5 ppm (>20 ppm) |
| CO Resolution | 0.5 ppm |
| Temperature Range | -10 to +60 °C |
| Temperature Accuracy | ±0.5 °C (±1 Digit) |
| Temperature Resolution | 0.1 °C |
| Humidity (with module) | +5 to +95 %RH |
| Humidity Accuracy | ±2.5 %RH (5 to +95 %RH) |
| Humidity Resolution | 0.1 %RH |
| Operating Temperature | 0 to +40 °C |
| Operating Humidity | 0 to 95 %RH |
| Battery Type | Lithium polymer rechargeable battery |
| Battery Life | 70 hours (at +20 °C) |
| Charging Method | In-instrument charging via mains adapter |
| Interface | IR/IRDA interface |
| Protection Accessories | TopSafe protective casing (optional) |
| Weight | 200 g |
| Dimensions (L × W × H) | 190 × 65 × 40 mm |
| Storage Temperature | -20 to +60 °C |
| Standards Compliance | EN 50543 / EU Directive 2004/108/EG |
Product brochure testo 315-4
Instruction manual testo 315-4
EU declaration of conformity testo 315-4
FREE SHIPPING ON ORDERS OVER $250. FAST RELIABLE SHIPPING. YOU WILL BE PROVIDED WITH A TRACKING NUMBER ON YOUR ORDER. SO YOU WILL ALWAYS KNOW WHERE IT IS.
DISPATCH TIME -1-3 Days
METRO TRANSIT TIME- 2-4 Days
TRACKING NUMBER- Provided
Advanced Tools has a dedicated Australian based customer service team. There will be no "call backs" "email only" "overseas call centres". Just a phone number and an Advanced Tools employee.
Email: sales@advancedtools.com.au
Phone: 08 7083 9862
Head Office: Unit 5/45 Bunnett St, Sunshine North, VIC 3020 (office only - no shopfront)
Business hours: Monday - Friday 9am-5pm ACDT (Melbourne)
Response Time: We pride ourselves on strong customer service. We will respond to you within 2 hours between Monday - Friday 9am-5pm ACDT (Melbourne)
Advanced Tools is a proud Australian Owned & Operated Business. We are all about supporting other Australian Business' & Brands.
Have you found this product cheaper? Contact us, it is likely we can match or beat it!
Visit our price match policy for more info. Click Here
No risk, easy returns. Every order includes our Return Policy, 30 Day Return Policy.
Click here to find out more.