Measure the quality and velocity of air in your surroundings with this sensitive data logging monitor from Testo. It tests the air to alert you to dangerous levels of harmful gases and pollutants. This measurement kit consists of a data logger and a vane probe with a compact diameter of 16mm, making it easy to fit into tight spaces like air vents and ducts. The data logger has an internal memory of up to 7500 measurements, meaning you'll have room to store lots of data.

• LCD (liquid-crystal display) screen shows measured values clearly
• Three AA batteries give the device a 12-hour operating life for long-lasting portable use
• Instrument has a light weight of 250g for ease of handling
• USB port for ease of connection to a computer

• Gas plants
• Aviation industry
• Chemical laboratories

Yes, thanks to its wide operating temperature range of -20°C to +50°C, this monitor is suitable for use in both hot and cold environments.