








🌬️ Measure smarter, not harder — airflow insights at your fingertips!
The testo 405i is a compact, Bluetooth-enabled hot-wire anemometer designed for precise measurement of air velocity, temperature, and volume flow in HVAC systems. Featuring a rugged, extendable 15-inch telescopic shaft, it accesses hard-to-reach ducts with ease. Paired with the Smart Probe App, it offers wireless remote readings, automatic volume flow calculations, and customizable reporting, making it an indispensable tool for professional air quality and HVAC diagnostics.







| Brand | Testo |
| Material | Metal, Plastic |
| Item dimensions L x W x H | 7.87 x 1.18 x 1.61 inches |
| Item Weight | 4.22 Ounces |
| Voltage | 4.5 Volts |
| Global Trade Identification Number | 04029547014260 |
| Manufacturer | Testo |
| Part Number | BAN7013006 |
| Item Weight | 4.2 ounces |
| Product Dimensions | 7.87 x 1.18 x 1.61 inches |
| Item model number | 0560 1405 01 |
| Batteries | 3 AAA batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | small |
| Color | Black/Orange |
| Style | Wireless Smart Probe |
| Thickness | Not applicable Inches |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement Accuracy | ±0.9 °F / ±0.5 °C |
| Special Features | Measurement data is transmitted to the convenient and powerful testo Smart Probes App in your smart device, Measures air velocity, volume flow, and temperature, Measures in-duct air flow and automatically calculates volume flow (enter duct dimensions simply), Small dia. (Perform air duct leakage tests, Tough, accurate, and easy-to-use |
| Included Components | testo 405i hot-wire anemometer, 3 AAA batteries and certificate of conformity |
| Batteries Included? | Yes |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
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