Testo 425 Smart Duct Anemometer

The Testo 425 smart anemometer device, with easy access to ventilation ducts, can perform air speed measurement, temperature, and volumetric flow measurement.

The built-in cable-connected telescopic probe provides more flexibility in duct measurements. Additionally, the telescopic probe can extend up to 820 mm.

The Testo 425 anemometer device, with its highly sensitive structure, can measure air speed between 0.01 … 30 m/s.

The Testo 425 digital anemometer directly displays the flow rate on the screen. By entering duct area information into the device, the flow rate can be accurately calculated. The instant temperature value can also be displayed.

Flow rate measurement can be done by connecting to a smart device.

By connecting the Testo 425 anemometer device to a smart device, you can instantly track and record air flow speed, temperature, and flow rate.

You can view the measurement data on your smart device in graph or table format and print it as a report.

The Testo 425 digital anemometer measures very accurately even in low flow speed ranges.

The Testo 425 smart anemometer device has a large LCD backlit display. Thus, you can easily see your measurement results on the device even in dark areas.

With the smart anemometer device, you can average the air speed and volumetric flow values for the time intervals you set.

With the left direction arrow button on the device, you can see the max-min value. You can also lock the value on the screen. Bluetooth becomes active when pressed and held.

With the right direction arrow button, you can switch between the device's measurement units. When pressed and held, you can connect to its optionally sold printer.

With the menu button, you can enter the device's settings, and when pressed and held, you can turn on and off the backlight.

The configuration of the measurement device, viewing and storing measurement values, and documentation can be performed with the testo Smart App.

With the "testo Smart" application that you will download from Play Store or App Store to your smart device, you can view the measurement results through this application. This also turns your smart phone into a second screen.

To use the device, your smart device's operating system must be iOS 13.0 or newer, Android 8.0 or newer.

To use the Testo 425 smart anemometer device, your mobile or tablet must have Bluetooth 5.0 feature.

The Testo 425 smart anemometer device operates with 3 AAA batteries.

Box contents: 1 Testo 425 smart anemometer measurement device, 1 calibration protocol, 1 carrying case, and 3 1.5V AAA batteries.