testo 625 - Digital thermohygrometer with App connection

The Testo 625 Digital Thermohygrometer is a compact handheld instrument designed for accurate measurement of air temperature and relative humidity. Built for HVAC, air conditioning, storage, facility maintenance and indoor air quality checks, it gives technicians a fast and reliable way to assess room conditions on site.

With Bluetooth connectivity to the Testo Smart App, the Testo 625 allows users to configure the instrument, view live readings, save measurements and document results directly from a smartphone or tablet. It also calculates dew point and wet bulb temperature, making it a practical tool for comfort checks, storage condition monitoring and HVAC diagnostics.

Key Features

• Digital thermohygrometer for temperature and humidity measurement
• Measures air temperature and relative humidity
• Calculates dew point and wet bulb temperature
• Bluetooth connection to the Testo Smart App
• App supports configuration, live display, storage and documentation
• Suitable for indoor air quality checks and storage room monitoring
• Audible alarm for threshold breaches
• Compact handheld design for field service use
• Easy-to-read digital display
• Ideal for HVAC, facilities, warehousing and comfort checks

Specifications

Applications

• Air conditioning service checks
• Indoor air quality assessment
• Room temperature and humidity measurement
• Storage room condition monitoring
• Warehousing and archive monitoring
• Building maintenance
• Comfort condition checks
• Dew point and wet bulb assessment

The Testo 625 — 0563 1625 gives HVAC and facilities technicians a simple, accurate and connected way to measure temperature and humidity. With Smart App support, dew point and wet bulb calculation, and easy onsite documentation, it is a practical instrument for professional indoor climate and storage condition checks.