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Data Sheet | Instruction Manual
Testo 905-T2 Professional Surface Thermometer with Swivel Display
The compact Testo 905-T2 surface thermometer is an advanced, high-speed thermal testing stick engineered specifically for accurate temperature diagnostics on both smooth and uneven surfaces. Driven by a high-grade Type K thermocouple system, the measuring tip incorporates a specialized sprung thermocouple strip measuring head. This cross-band design automatically conforms to rough contours or pipe configurations, preventing probe tilting and eliminating false reading offsets. Boasting a large measuring spectrum up to +350 °C (short-term to +500 °C) and an exceptionally rapid response velocity of t99 = 5 s, it is optimized for high-efficiency plumbing, refrigeration, and HVAC service checks. Complete with an ergonomic pen-style body, it features a built-in swivel display joint allowing easy reading illumination from multiple work angles.
Industrial & Trades Applications
- HVAC Systems Balancing: Rapid evaluation of manifold pipes, block connections, expansion valves, and thermal pumps.
- Plumbing Ingress Checks: Direct surface testing of technical hot water storage tanks, feed lines, and radiator metal shells.
- Industrial Line Maintenance: Quick-response diagnostics on active machine bodies, mold outlines, and process processing tubes.
Technical Characteristics
| Sensor Element Platform | Single-channel TC Type K (NiCr-Ni) matrix with dynamic contact technology |
| Surface Logging Scale | Comprehensive reach from -50 to +350 °C (Short-term operational peaks up to +500 °C) |
| System Measuring Accuracy | High accuracy threshold of ±(1 °C + 1% of measured value) |
| Thermal Response Metric | Impressively fast response index of t99 = 5 seconds |
| Resolution Step Index | Precise 0.1 °C display increments |
| Probe Mechanical Form | Rigid 150 mm shaft length (Ø 3 mm) ending in a wider 12 mm measuring tip profile |
| Display Assembly Joint | Integrated rotatable swivel LCD panel for reading flexibility across sharp angles |
| Power Saving Logic | Automated auto-off mechanism triggering after 10 minutes of technical idle state |
| Battery Supply Profiling | Powered by 3 AAA micro batteries providing an extensive 1000 hours of independent field use |
| Weight & Shell Compound | Ultra-lightweight 80 g framework enclosed in a durable ABS polymer casing |
Package Contents
- Testo 905-T2 high-speed technical surface thermometer stick
- Integrated attachment clip for outfit layout security
- 3 standard AAA micro batteries for immediate field launch
- Official factory validation protocol documentation