Testo 440 dP Air Flow ComboKit 2 with Bluetooth NTC, TC, Vane Anemometer, 50m/s Max, Measures Air Velocity,

Use this air quality monitor from Testo to accurately monitor the condition of the air in your surroundings. It measures temperature, humidity and pressure, making it a versatile choice. Thanks to a broad differential pressure measurement range of -150 to 150hPa, it's suitable for use in low and high-pressure environments. The kit is supplied with multiple probes and a carrying case for convenient, on-the-go measurements.

• Temperature measurement resolution of 0.1°C to ensure accurate results
• Bluetooth support for ease of data transfer and connectivity
• Broad operating temperature range of -20°C to +50°C for use in harsh environments

• Chemical laboratories
• Cold storage rooms
• Medical facilities

This air quality monitor is powered by three AA batteries with a 12-hour battery life for long-lasting use.