Testo 315-4 CO Warning Instrument
by Testo
TUV-certified personal CO warning instrument with 50-hour battery life and printout capability for combustion appliance safety assessments.
6.3 - Good Media

Overview
The Testo 315-4 is a TUV-certified CO measuring instrument built to DIN EN 50543 standard for reliable ambient carbon monoxide detection near heating systems. With a 0-100 ppm measurement range, adjustable visual and audible alarm thresholds, and 50-hour Li-ion battery life, it provides continuous personal safety monitoring during furnace and boiler service. On-site printout capability and IP40-rated construction support professional documentation requirements.
FSH Score Breakdown
Customer Reviews
Key Features
| Feature | Value |
|---|---|
| Bluetooth Connectivity | ❌ |
| Data Logging | ❌ |
| Wireless Probes | ❌ |
| Mobile App Integration | ❌ |
All Features
| Feature | Value |
|---|---|
| Backlit Display | ✅ |
| Rechargeable Battery | ❌ |
| Auto Shutoff | ✅ |
| Cloud Data Upload | ❌ |
| USB Data Export | ❌ |
| Multi-Gas Detection | ❌ |
| Visual Alarm Indicator | ✅ |
| Max/Min Tracking | ✅ |
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
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