Description
The Testo 625 is engineered for high-precision climate monitoring in sensitive industrial environments such as pharmaceutical cleanrooms, server facilities, and climate-controlled storage warehouses. Its primary function is to ensure Technical Compatibility with stringent HVAC standards by providing real-time ambient air analysis. The integration with the Testo Smart App allows for automated documentation and long-term trend analysis, which is critical for compliance audits and preventive maintenance cycles.
Technical Specifications:
Sensor Type: NTC (Temperature) / Capacitive Humidity Sensor
Measuring Range (Temperature): -20 to +60 °C
Accuracy (Temperature): ±0.5 °C
Resolution (Temperature): 0.1 °C
Measuring Range (Humidity): 0 to 100 %RH
Accuracy (Humidity): ±2.5 %RH (5 to 95 %RH)
Resolution (Humidity): 0.1 %RH
Operating Temperature: -20 to +50 °C
Storage Temperature: -20 to +50 °C
Battery Type: 3 x AA
Battery Life: 100 hours
Dimensions: 208 x 60 x 28 mm
Weight: 199 g
Protection Class: IP40 (Housing), IP20 (Probe)
Data Transmission: Bluetooth Low Energy (BLE)
App Compatibility: Testo Smart App (iOS 13.0 or higher / Android 8.0 or higher)
Operational Features:
Original Engineering: Features a permanently connected humidity probe head for maximum stability and sensor longevity.
System Integration: Seamless Bluetooth connectivity enables remote monitoring, allowing technicians to evaluate environmental conditions from a distance without disturbing the controlled atmosphere.
Data Management: The app interface facilitates the calculation of dew point and wet bulb temperature, providing a comprehensive thermodynamic profile of the air mass.
Lead Time: Standard industrial availability ensures rapid deployment for facility management and quality assurance teams.
Package Contents:
Testo 625 Digital Thermo-Hygrometer
Transport Bag
Calibration Protocol
3 x AA Batteries
Key Attributes
Type: Digital Thermohumidity Meter
Place of origin: Guangdong, China
Material: Plastic
Model number: 625
Brand name: Testo
Customized support: OEM
Warranty: 1 years
Humidity Sensor (Capacitive): 0 to 100% RH
NTC Measuring range: -4 to 140°F/-20 to 60°C
Measurement Parameters: % RH, °F, °F td, °F dp, °C, °C td, °C dp
Protection Class: IP40
Battery Type: 3 x AA
Packaging and Delivery
Selling Units: Single item
Single package size: 32X25X14 cm
Single gross weight: 1.500 kg









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