Widely applied in chemical workflows, the Air-Flow Measuring Device Testo 425 with App Connection is an essential tool for accurate and efficient flow and temperature measurement in air ducts of air conditioning and ventilation systems. This compact instrument features a corded telescopic probe for increased flexibility during channel measurements, allowing for precise calculations of average values. The smart support via app offers additional functionality such as configuration, graphical display of measurement value progression, data storage, management of measuring points, on-site documentation, and email reporting. The Type testo 425 (new) weighs 268 grams and measures 135 x 60 x 28 millimeters, making it easy to handle and transport. It boasts a flow accuracy of ±(0.03 m/s + 4.0% of m.v.) (0.01 to +20

• Category: Miscellaneous parameters
• Flow measuring range: 0-30 m/s
• Type: testo 425 (new)
• Flow accuracy: ±(0.03 m/s + 4.0% of m.v.) (0.01 to +20 m/s) ±(0.5 m/s + 5.0% of m.v.) (20.01 to +30 m/s)
• Operating temperature: -20 to +50 °C
• Weight: 268 g
• Sensor: Ø x L: 7.5 x 820 mm
• Cable length: 1.5 m
• Power supply: 3 x 1.5 V AA batteries
• L x W x H: 135 x 60 x 28 mm
• Temperature accuracy: ±0.5 °C
• Resolution: 0.01 m/s
• Temperature resolution: 0.1 °C
• Parameters: current temperature
• Temperature measuring range: -20 to +70 °C