Testo 174H Kit Temperature & Humidity Data Logger, USB, 2 Input Channel(s)

Measure and record temperature and humidity values with this dual-purpose data logger from Testo. It features a capacitive sensor for relative humidity detection and a negative temperature coefficient (NTC) thermistor for highly reliable temperature measurements.
This unit features a large liquid-crystal display (LCD) screen that makes results easy to read. The screen has flashing alarms for low and high temperatures, so it's easy to know when you need to make adjustments. It has the capacity to store up to 16,000 measurements, so you can use it for a long time without needing to erase data.

• Battery life of 1 year for long-lasting performance
• Compact dimensions of 60 (length) x 38 (width) x 18.5mm (height) for mounting on walls with limited space
• IP20 (ingress protection) rating indicates resistance to dust and objects over 12mm in size
• Wide operating temperature range of -20°C to +70°C for use in demanding environments

• Residential buildings
• Commercial storage facilities

This data logger has a USB interface that allows you to connect it to a computer. This allows you to easily back up data and export it to CSV (comma-separated values) or spreadsheet formats.