Can confirm cubic feet per minute (CFM) when conducting duct testing as well as easily switch between flow and temperature readings. The telescoping handle of the thermal probe on this CFM meter makes it easy to reach ductwork above your head.
Can confirm cubic feet per minute (CFM) when conducting duct testing as well as easily switch between flow and temperature readings. The telescoping handle of the thermal probe on this CFM meter makes it easy to reach ductwork above your head.
Discontinued!
This product has been discontinued and is no longer available.
This is the direct replacement:
The Testo 425 hot wire anemometer provides incredible accuracy and is easy to use. The telescopic handle of this CFM meter extends to 33 inches, putting even high-up ductwork within reach. For low flow/velocity applications, the Testo 425 anemometer is ideally suited and provides accurate, fast and easy readings.
Features
| Storage temperature | -40 to 185 °F (-40 to +85 °C) |
| Operating temperature | -4 to 122 °F (-20 to +50 °C) |
| Battery type | 9V battery |
| Battery life | 20 hr |
| Dimensions | 7 x 2.5 x 1.6 in |
| Housing material | ABS |
| Airflow – Hotwire | |
|---|---|
| Measuring range | 0 to +4000 fpm |
| Accuracy | ±(6 fpm +5% of rdg.) |
| Resolution | 2 fpm |
| NTC | |
| Measuring range | -4 to 160 °F (-20 to +70 °C) |
| Accuracy | ±0.9 °F (+32 to +140 °F) ±1.3 °F (remaining range) (±0.5 °C (0 to +60 °C) ±0.7 °C (remaining range) |
| Resolution | 0.1 ° |
Click on a category to view a selection of compatible accessories with the Testo 425 Thermo-Anemometer w/ Hot Wire Probe.
| Storage temperature | -40 to 185 °F (-40 to +85 °C) |
| Operating temperature | -4 to 122 °F (-20 to +50 °C) |
| Battery type | 9V battery |
| Battery life | 20 hr |
| Dimensions | 7 x 2.5 x 1.6 in |
| Housing material | ABS |
| Airflow – Hotwire | |
|---|---|
| Measuring range | 0 to +4000 fpm |
| Accuracy | ±(6 fpm +5% of rdg.) |
| Resolution | 2 fpm |
| NTC | |
| Measuring range | -4 to 160 °F (-20 to +70 °C) |
| Accuracy | ±0.9 °F (+32 to +140 °F) ±1.3 °F (remaining range) (±0.5 °C (0 to +60 °C) ±0.7 °C (remaining range) |
| Resolution | 0.1 ° |
Click on a category to view a selection of compatible accessories with the Testo 425 Thermo-Anemometer w/ Hot Wire Probe.
