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Testo 315-4 CO Warning Instrument

by Testo

Last updated Mar 29, 2026 · 1 revision

TUV-certified personal CO warning instrument with 50-hour battery life and printout capability for combustion appliance safety assessments.

Highlights

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About This Product

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.

Capabilities

How this product is delivered and what's included out of the box.

Mobile app
Not available
Free trial
No
Free tier
No
Public API
No
Deployment
On Premise

FSH Score Breakdown

Ease of Use
6.5
Features
4.3
Support
5.0
Value
5.5
Integrations
3.0
AI Capabilities
1.5

Customer Reviews

Features

24 features confirmed across 6categories· Showing confirmed capabilities only

Hardware Features11features

Auto ShutoffAutomatic power-off function for energy-efficient operationDual Backlit DisplayParallel Humidity and Temperature MeasurementAdjustable Alarm Setpoints and LatchingDual Probe Support for Multi-Parameter MeasurementIndividual Probe Digital DisplayParallel Measurement of Humidity and TemperatureRechargeable BatteryBattery Life 50h
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Touchscreen DisplayDigital screen displayQuick-Change ProbesSensor LongevityAutomatic sensor protection

Compliance & Safety5features

Carbon Monoxide MeasurementAccurate carbon monoxide measurement from 0 to 100 ppmTÜV Tested per EN 50543Heating/Cooling Output CalculationStatic Pressure MeasurementTurbulence Measurement

Mobile & Field Tools3features

Documentation via Testo Smart AppLive Measurement DataDigital Signatures

Equipment & Asset Management3features

AlertsOptical and audible alarm alerts when limit values are exceededLong-Term Environmental MeasurementParallel humidity and temperature measurementSelf-Diagnostic Mode

Customer Communication1feature

Email Integration

Reporting & Analytics1feature

Audit Report Generation

Pricing

Model
Custom
Starting at
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