Testo 420 Air Flow Capture Hood
by Testo
Last updated Mar 29, 2026 · 2 revisions
Lightweight balometer with patented flow straighteners for accurate readings at turbulent outlets, Bluetooth app streaming, and removable micromanometer.
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About This Product
The Testo 420 is a professional air flow capture hood weighing under 6.4 lbs, measuring flows from 80 to 3500 m3/h. Its patented flow straightener technology improves measurement accuracy at turbulent swirl outlets. The integrated measuring unit detaches for standalone pressure, flow, and velocity measurements via Pitot tube. Multiple hood sizes from 14x14 to 36x36 inches are available, and Bluetooth connectivity enables live measurement streaming through the testo 420 app.
Capabilities
How this product is delivered and what's included out of the box.
- Mobile app
- Available
- Free trial
- No
- Free tier
- No
- Public API
- No
- Deployment
- On Premise
Certifications & Approvals
Independent industry credentials this product holds.
MeasureQuick Compatible
Integrates with MeasureQuick, the diagnostic platform used by HVAC technicians for in-field system performance testing. Data captured in MeasureQuick flows into this product without manual re-entry.
FSH Score Breakdown
Customer Reviews
Features
Hardware Features8features
Compliance & Safety8features
Platform & Customization4features
Reporting & Analytics3features
Equipment & Asset Management3features
Mobile & Field Tools1feature
Certifications & Standards1feature
Pricing
- Model
- Custom
- Starting at
- $3,419
