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Description
Main Function
The Testo 416 is used for measuring wind speed and air volume in ventilation ducts and air-conditioning systems. It supports reading hold, maximum/minimum value display, and air volume calculation by entering the duct cross-sectional area.
Key Features
| Feature | Details |
|---|---|
| Brand | Testo |
| Product Model | Testo 416 |
| Product Type | Small impeller / vane anemometer |
| Measurement Functions | Wind speed and air volume |
| Probe Type | Fixed small impeller probe with telescopic handle |
| Probe Diameter | 16 mm compact impeller probe shown |
| Telescopic Handle Length | Maximum length 890 mm shown |
| Display | Backlit display |
| Reading Hold | Freezes / maintains the last measurement data |
| Max / Min Function | Displays maximum and minimum values directly |
| Multi-Unit Selection | Supported |
| Mean Function | Multi-point and time-controlled mean calculation |
| Air Volume Calculation | Calculates air volume by entering duct cross-sectional area |
| Battery Type | 9V battery |
| Battery Life | 80 hours |
| Weight | 325 g |
| Storage Temperature | -40°C to +70°C |
Product Features
| Feature | Description |
|---|---|
| Backlit Display | Provides quick and clear wind speed readings, even in low-light areas. |
| Reading Hold Function | Keeps the last measured value on screen for easier reading and recording. |
| Max / Min Display | Shows maximum and minimum measurement values directly. |
| Telescopic Handle | Extends up to 890 mm for measuring ducts and hard-to-reach air outlets. |
| Air Volume Display | Displays air volume and average air volume by using cross-sectional area input. |
| Mean Calculation | Supports multi-point and time-controlled average calculation. |
| Portable Design | Compact handheld design suitable for HVAC field work. |
Application Scope
| Application Area | Details |
|---|---|
| Ventilation Ducts | Wind speed and air volume measurement |
| Air-Conditioning Systems | AC airflow inspection and balancing |
| Air Outlets | Supply and return air measurement |
| Industrial Ventilation | Airflow checking in duct systems |
| HVAC Maintenance | Functional testing of ventilation performance |
| Indoor Air Quality Support | Helps verify proper airflow in indoor spaces |
Product Structure / Parts
| Part | Details |
|---|---|
| Main Instrument Body | Handheld Testo 416 meter |
| Backlit LCD Display | Shows wind speed, air volume, mean, and reading values |
| Small Impeller Probe | Measures airflow / wind speed |
| Telescopic Probe Handle | Extends for duct and outlet measurement |
| Control Buttons | Power, display light, Hold, Max/Min, Vol, and Mean buttons |
| Battery Case | Rear battery compartment |
| ABS Housing | Durable outer shell material |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Testo 416 |
| Operating Temperature | 0°C to +50°C shown |
| Storage Temperature | -40°C to +70°C |
| Battery Type | 9V battery |
| Battery Life | 80 hours |
| Weight | 325 g |
| Housing Material | ABS |
| Wind Speed Measuring Range | 0.6–40 m/s |
| Wind Speed Accuracy | ±0.2 m/s + 1.5% |
| Wind Speed Resolution | 0.1 m/s |
| Telescopic Handle Length | Up to 890 mm shown |
| Impeller Probe Diameter | 16 mm shown |
Main Benefits
- Backlit display for quick and clear readings
- Reading hold function makes recording easier
- Direct Max/Min value display
- Telescopic handle for duct and outlet measurement
- Measures wind speed and calculates air volume
- Suitable for HVAC, ventilation ducts, and air-conditioning airflow testing
- Compact handheld design for field use




