
Product Series : Thermal Imager
Surface temperature measurement and real-time thermal image analysis
Measurement Range: - 20°C ~ 550°C
Infrared Resolution: 384 × 288
Infrared Response Band: 8 ~ 14μm
Pixel Size: 12μm
Focal Length of Thermal Imaging Lens: 9.1mm
Spatial Resolution/IFOV: 1.32mrad
Measurement Distance: 0.3 ~ 3m
Field of View: 29.2° × 21.7°
Five Color Palettes Available
Power Supply: Built-in rechargeable 26650 lithium battery, 5000mAh
Product Introduction
Infrared thermal imaging has long been a crucial tool for ensuring industrial product safety in developed countries. In my country, it's also widely used in industries such as power, metallurgy, petrochemicals, machinery, coal, transportation, fire protection, and national defense. Real-time inspections under high voltage, high current, and high-speed conditions facilitate the identification of potential problems and prevent them from occurring. This modern, non-contact inspection technology is safe, fast, and reliable.
Infrared thermal imaging is widely used in the following areas: inspecting power equipment, transmission lines, and transformers; searching for hidden fire sources during firefighting; searching and rescuing personnel during fires, as well as fire scene command; analyzing leaks and heat loss in heating pipes and equipment; locating heating faults on operating trains; and nighttime surveillance by security departments.
ETB384 Infrared Thermal Imager combines surface temperature measurement with real-time thermal imaging. While traditional infrared thermometers require individual component measurements, infrared thermal imagers eliminate this requirement, saving time. Potential problems are clearly displayed on the color display, and the center point measurement cursor allows for quick and accurate temperature measurement of target objects.
Thermal images captured by the ETB384 Infrared Thermal Imager can be saved to the device, read via USB, or saved to a computer for report generation and printing. Its compact size, ease of use, and powerful functionality make it an ideal choice for applications in the electrical power, electronics manufacturing, and industrial inspection fields.
ETCRMETER is a high-end brand of ETCR. All products are manufactured by ETCR, which also provides technical support and after-sales service.
Product Features
1. Adjustable emissivity improves measurement accuracy on semi-reflective surfaces.
2. Highest and lowest temperature cursors guide the user to the highest and lowest temperature areas in the thermal image.
3. Optional color palette function.
4. USB port for uploading thermal images to a computer for storage, analysis, and printing.

Technical Parameters
| Specification Name | Parameters Description |
| Infrared Detector Type | Vanadium Oxide Uncooled Infrared Focal Plane Electrode |
| Infrared Resolution | 384 × 288 |
| Infrared Response Band | 8 ~ 14 μm |
| Pixel Size | 12 μm |
| NETD | ≤50 mk@25°C, @ F/1.0 |
| Lens Focal Length | 9.1 mm |
| IFOV | 1.32 mrad |
| Field of View | 29.2° × 21.7° |
| Focus Mode | Manual Focus |
| Temperature Range | Low Range: -20°C ~ +120°C (-4°F ~ 248°F) High Range: 120°C ~ +550°C (248°F ~ 1022°F) |
| Temperature Accuracy | -15°C ~ 550°C ±2°C or ±2%; -20°C ~ -15°C ±4°C |
| Temperature Resolution | 0.1°C |
| Temperature Measurement Mode | Center Point/Hot and Cold Spot Tracking |
| Color Palette | Rainbow/Iron Red/Cold/White Hot/Black Hot |
| Emissivity Setting | Adjustable from 0.01 ~ 1.00 |
| Thermal Imaging Frame Rate | ≤25Hz |
| Visible Light Resolution | 640 × 480 |
| Display Size | 3.5-inch (640 × 480) |
| Image Display Modes | Infrared/Visible Light/Hybrid/Picture-in-Picture |
| Device Storage | Built-in 16GB (Approxi. 13.4GB available for user use) |
| Image/Video Format | JPG/MP4 |
| Image/Video Export | USB Connection for PC Export |
| Image Analysis | Supports Offline Analysis on PC |
| Menu Language | Chinese, English, Spanish |
| Battery Type | Built-in Rechargeable, 26650 Lithium Battery |
| Battery Capacity | 5000mAh |
| Working Time | ≥4 hours |
| Power Port | Type-C |
| Automatic Shutdown | 5 minutes/10 minutes/20 minutes/No automatic shutdown |
| Working Temperature | -10°C ~ +50°C |
| Storage Temperature | -20°C ~ +60°C |
| Relative Humidity | 10% ~ 85% RH (non-condensing) |
| Weight | Approx. 600g |
| Dimensions | 256mm × 95.8mm × 128.9mm |
Model Comparison
Product Picture | Model | Pixel Size | Temperature Range | Infrared Resolution | Thermal Imaging Lens Focal Length | Spatial Resolution | Storage |
![]() | ETB160 | 17μm | -20℃~550℃ | 160×120 | 3.2mm | 5.31mrad | 16G |
![]() | ETB256 | 12μm | -20℃~550℃ | 256×192 | 3.5mm | 5.31mrad | 16G |
![]() | ETB384 | 12μm | -20℃~550℃ | 384×288 | 9.1mm | 1.32mrad | 16G |
![]() | ETB640 | 12μm | -15℃~550℃ | 640×480 | 9.1mm | 1.32mrad | 32G |
![]() | ETB160M | 17μm | -20℃~550℃ | 160x120 | 3.2mm | 5.31mrad | — |
![]() | ETB256M | 12μm | -20℃~550℃ | 256×192 | 3.5mm | 3.43mrad | — |
Product Video