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Datasheet | Instruction Manual
Testo 925 Digital Temperature Measuring Instrument with App Connection
The compact Testo 925 temperature measuring instrument is a versatile, high-precision solution engineered for fast and accurate thermal logging across various commercial trades and industrial operations. Designed around a robust single channel TC Type K thermocouple architecture, the package includes a Class 1 standard thermocouple probe to deliver reliable monitoring over an extended scale from -50 °C up to 1000 °C. Equipped with integrated Bluetooth connectivity, the device syncs seamlessly with the testo Smart App on your mobile terminal. This features real-time digital configuration, graphical graph history trends, customer site management, and professional PDF/Excel reporting directly on site.
Industrial Applications
- HVAC and Climate Maintenance: Precise testing of flow and return temperatures across heating manifolds, air vents, and industrial cooling machinery.
- Industrial Process Monitoring: Rapid thermal checks of raw logistics assets, storage containers, and chemical manufacturing pipelines.
- Facility and Operations Inspection: Continuous on-site quality diagnostics of machinery frames, plant efficiency profiles, and structural heat barriers.
Technical Characteristics
| Thermocouple Sensor Input | 1 Channel for TC Type K (NiCr-Ni) probes: highly compatible with standard commercial sensors |
| Measuring Thermal Range | Wide deployment span from -50 to +1000 °C |
| Instrument Accuracy Matrix | ±(0.5 °C + 0.3% of measured value) (Excludes standalone probe tolerance variations) |
| Scaling Resolution Matrix | 0.1 °C (-50.0 to +499.9 °C): 1 °C for the remaining operating scale |
| Data Connectivity Platform | Integrated Bluetooth wireless synchronization for mobile devices |
| Smart Application System | Full data tracking via free testo Smart App (Supports graph logging and email dispatch) |
| Physical Ingress Rating | IP20 (Upgradable to IP40 with connected sensor: matches IP65 limits with TopSafe case) |
| Power Structure & Batteries | Powered by 3 AA micro batteries providing up to 150 hours of independent field lifecycle |
| Housing Construction Shell | Durable ABS + PC / TPE blend protective shell: 135 x 60 x 28 mm size: weight 188 g |
Package Contents
- Testo 925 single channel digital thermometer
- 1 flexible TC Type K thermocouple probe (Class 1)
- 3 standard AA batteries for immediate outfield tool launch
- Official factory calibration protocol validation documentation