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Product Description
Testo 425 Air Velocity Meter is a multi-functional device that records the flow speed, calculates the volumetric flow and also measures the temperature. It has a measuring range of 0 to +20 m/s, making it best suited to low airflow velocity. It features a telescopic flow probe that can be extended to a length of up to 820 mm and has a probe head diameter of 7.5 mm. When you input the duct surface area value, it automatically calculates the volumetric flow during the flow measurement. Single and multi-point averaging features provides the value of average volumetric flow, flow speed, and temperature reading. This Air velocity meter has a Hold button, that helps you to freeze the current reading to compare it with another value, for example. If you forget to switch off the air velocity meter, the Auto-off function will automatically switch off the device which conserves your battery life.
Features of Testo Air Velocity Meter:
- This Testo Air Velocity Meter not only calculates Temperature and flow measurement but also volumetric flow can be calculated
- Permanently attached an extendible telescopic probe
- This Testo Air Velocity Meter comes With single and multi-point averaging
- Display of min/max value, hold function, Auto-off function
Additional Information
| Weight | 1 kg |
|---|---|
| Manufacturer | Testo |
| Model No | 425 |
| Measuring Parameters | Air Flow Velocity, Temperature |
| Temperature | -20 to +70 °C |
| Accuracy | For remaining range : ±0.7 °C, For: (0 to +60 °C) : ±0.5 °C |
| Resolution | 0.1°C |
| Air Flow Velocity | 0 to +20 m/s |
| Accuracy_1 | ±(0.03 m/s + 5 % of mv) |
| Resolution_1 | 0.01 m/s |
| Operating Temperature | -20 to +50 °C |
| Storage Temperature | -40 to +70 °C |
| Housing | ABS |
| Battery | 9V block battery, 6F22 |
| Battery Life | 20 h |
| Dimension | 182 X 64 X 40mm |
| Weight | 285 Grams |
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