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PDF Datasheet | PDF Instruction Manual 1 | PDF Instruction Manual 2
Description
The Testo 860i wireless thermal imager is a compact, high-performance infrared measuring tool designed for operation via smartphones and tablets. Featuring an infrared resolution of 256 x 192 pixels and a high thermal sensitivity of 50 mK, it provides high-contrast thermal imaging for structural and industrial inspection. The device features integrated DeltaHeat and DeltaCool functions within the Testo Smart App to automate the process of differential temperature (Delta T) tracking. Built for demanding work, the instrument features an IP54 protection rating and a tested 1.5 m drop resistance, operating as a standalone device or mounted directly onto a mobile terminal via the adjustable clip mechanical fixture.
Industry Applications and Scenarios
- HVAC and Refrigeration Engineering: Rapid determination of Delta T temperature spread between flow and return pipelines on heating radiators or climate control systems.
- Building Thermography & Mould Risks: Detection of structural insulation drop zones, air leak paths, and mould risks via the dedicated app humidity evaluation module.
- Industrial Electrical Diagnostics: Safe, non-contact scanning of active electrical components, connections, and distribution panels to detect overheated spots.
Key Technical Specifications
| Infrared IR Sensor Resolution | 256 x 192 pixels (with high-contrast digital processing) |
| Thermal Sensitivity (NETD) | 50 mK (0.05 °C) for precise thermal gap recognition |
| Field of View (FOV) & Focus | 48° x 36° field of view with fixed focus lens system |
| Measuring Temperature Range | -20 to +350 °C |
| Measurement Accuracy Tolerance | ±3 °C or ±3 % of measured value |
| Enclosure Protection & Durability | IP54 rating against dust and splash water; 1.5 m drop resistance |
| Data Connectivity Interfaces | Wireless LAN (WLAN) IEEE 802.11a/n/ac and Bluetooth Low Energy |
Package Contents
Testo 860i wireless thermal imager, integrated rechargeable Li-ion battery, mobile terminal smartphone mounting clip fixture, calibration documentation, and standard instruction manuals.