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Description
Main Function
The Testo 865 Infrared Thermal Imager is used for detecting temperature differences and thermal patterns through infrared imaging. It helps inspect heating pipes, buildings, mechanical equipment, electrical equipment, and industrial high-temperature areas.
Key Features
| Feature | Details |
|---|---|
| Product Model | Testo 865 |
| Product Type | Infrared thermal imager |
| Measurement Function | Infrared temperature imaging and thermal inspection |
| Temperature Measuring Range | -20°C to 280°C |
| Display | 3.5-inch LCD display |
| Screen Type | Large HD backlight screen |
| Memory | Built-in 2.8 GB storage |
| Infrared Pixel | 60 × 120 |
| Super Infrared Pixel | 320 × 240 image enhancement |
| Thermal Sensitivity | < 0.12°C |
| Minimum Measurable Object Size | Approx. 3.2 mm |
| Super IFOV | 2.1 mrad |
| Standard IFOV | 3.4 mrad |
| Field Angle | 31° × 23° |
| Image Format | BMP, JPG, PNG, CSV, XLS export formats shown |
| Data Transmission | USB |
| Battery Type | Infrared lithium battery |
| Operation | Simple buttons and intuitive interface |
| Software Support | Professional analysis software for computer image analysis |
Core Advantages
| Advantage | Description |
|---|---|
| Excellent Image Quality | Provides clear infrared thermal images |
| Automatic Tracking | Helps track thermal targets during inspection |
| Avoid Focusing | Easy operation without complicated focusing |
| Full Screen Mode | Large image display for clear viewing |
| Extended Warranty Option | Warranty extension option shown |
| Anti-Slip Design | Safer handheld use |
| Fast Response | Sensitive response for quick thermal checking |
| Low Energy Consumption | Designed for efficient power use |
Product Structure / Parts
| Part | Details |
|---|---|
| LCD Display | Displays infrared images, physical images, menus, and functions |
| OK Button | Opens menu, selects function, confirms navigation |
| ESC Button | Used to cancel action / turn camera function on or off |
| Speed-Dial Key | Quick access to assigned functions |
| Micro USB Interface | Used for power supply and computer connection |
| Battery Pack | Removable battery section |
| Thermal Lens Area | Captures infrared thermal image |
| Handle Grip | Handheld ergonomic grip for field use |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Testo 865 |
| Infrared Pixel | 60 × 120 |
| Super Resolution Pixel | 320 × 240 |
| Field of View | 31° × 23° |
| IFOV | 3.4 mrad |
| Super IFOV | 2.1 mrad |
| Smallest Measurable Object Size | Approx. 3.2 mm |
| Minimum Focal Length | 0.5 m shown |
| Thermal Sensitivity NETD | < 0.12°C |
| Temperature Range | -20°C to 280°C |
| Accuracy | ±2°C or ±2% shown |
| Display | 3.5-inch LCD |
| Palette Options | Multiple display palettes shown |
| Cold / Hot Spot Search | Automatic / manual |
| Scale Assist | Supported |
| IFOV Alarm | Supported |
| Data Transmission | USB |
| Memory | Built-in 2.8 GB |
| Export Formats | BMP, JPG, PNG, CSV, XLS |
| Battery | Lithium battery |
Application Scope
| Application Area | Details |
|---|---|
| Floor Heating Pipes | Inspection of floor heating pipe systems |
| Building Detection | Thermal leakage, insulation, and building inspection |
| Mechanical Equipment | Temperature inspection of machinery and moving systems |
| Electrical Equipment | Electrical panel and equipment temperature testing |
| Industrial Sites | High-temperature inspection and fault detection |
| Computer Analysis | Saved images can be connected to computer software for analysis |
Main Benefits
- Clear thermal image display with 3.5-inch LCD screen
- Built-in 2.8 GB memory for saving images
- Super infrared pixel enhancement improves image clarity
- Detects small temperature details with approx. 3.2 mm measurable object size
- High thermal sensitivity under 0.12°C
- Supports USB connection for computer-side image analysis
- Simple button layout and intuitive user interface
- Suitable for electrical, mechanical, building, and heating system inspection
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