Testo 440 Air Velocity & IAQ Measuring Instrument
by Testo
Connects up to 3 probes simultaneously for airflow velocity, IAQ, CO2, and temperature in one platform with structured HVAC commissioning menus built-in.
7.1 - Excellent Custom · Contact for pricing Mobile App 19 Features
Smart Tool
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About This Product
The testo 440 is the reference instrument for commercial HVAC commissioning and TAB work in North America and Europe. The probe-swap system is the key differentiator — same handle works with hot-wire, vane, CO2, humidity probes. California Energy Commission Title 24 approved probes available.
Tool Specifications
- Accuracy Class
- Field Grade
- Measurement Range
- Depends on probe: 0–20 m/s velocity; CO2 0–10,000 ppm (optional); RH 0–100%
- Ruggedness
- Field
- Battery
- 3x AA
- Warranty
- 2 years
- Ecosystem
- Testo Smart Probes
- Companion App
- testo Smart App
Data Logging Mobile App
FSH Score Breakdown
Ease of Use 6.5
Features 8.5
Support 7.5
Value 6.0
Integrations 7.0
AI Capabilities 2.0
Customer Reviews
Features
19 features confirmed across
7categories· Showing confirmed capabilities only
Compliance & Safety6features
NIST Calibration TrackingNo calibration required for the meter unitTemperature Split CalculatorDeltaCool differential temperature measurementFlow Rate Calculatorvolume flow measurementPsychrometric CalculationsTimed and multi-point mean calculationAirflow CalculationsPitot tube measurementAir BalancingPRO Air balancing measurement programme
Equipment & Asset Management4features
Remote MonitoringRemote control of instrumentsAir Quality Monitoringturbulence measurement (iso en 7730/ashrae 55)Long-Term Environmental Measurementlong-term measurement loggingModular Sensor IntegrationConnects to three probes simultaneously (Bluetooth, wired, Type K)
Reporting & Analytics2features
ReportingPDF and CSV report generationEconomic AnalysisHeating/cooling output calculation
Mobile & Field Tools2features
Bluetooth Probe IntegrationDifferential pressure sensor support (testo 440 dP) for Pitot tube and filter measurementsAI Photo AnalysisAutomatic probe detection
Technician Management2features
Electrical Measurement TrackingParallel measurementsAI LogbookData logging up to 7,500 protocols
Platform & Customization2features
Data ImportAutomatic data synchronizationData ExportInternal memory storage for 7,500 measurement reports
Hardware Features1feature
Magnetic MountingMagnetic mounting
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
- Notes
- Retail purchase. Base unit ~$400–500 USD; airflow kit with probes $700–1,100 USD.
