Hot-wire anemometer testo 425

Hot-wire anemometer for simple, fast, and precise flow and temperature measurement as well as volume flow calculation. Measurement data can be transmitted to smartphones or tablets via Bluetooth^®. The connection to the free testo Smart App enables configuration of the device as well as display, storage, and documentation of measurements.

• Cable-connected, extendable telescopic probe up to 820 mm
• Time and point averaging
• Quick in-app configuration, graphic history, second screen, and measurement data memory in the testo Smart App
• Compact design with sturdy housing
• Hold function
• Display of min./max. value

Scope of supply: Hot-wire anemometer with telescopic probe, transport bag, calibration protocol, batteries

• Measuring range velocity: 0.01 … 30 m/s
• Accuracy velocity: ±0.03 m/s + 4 % of measured value (0.01 … 20 m/s) / ±0.5 m/s + 5 % of measured value (20.01 … 30 m/s)
• Resolution velocity: 0.01 m/s
• Temperature range: -20 … 70 °C
• Accuracy temperature: ±0.5 °C
• Resolution temperature: 0.1 °C
• Compatibility mobile device: Requires iOS 13.0 or newer, Android 8.0 or newer, Bluetooth^® 4.2.
• Cable length: 1.5 m
• Dimensions probe (L x Ø): 180 x 7.5 mm
• Power supply: 3 x AA
• IP code: IP 40 device, IP 20 probe