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Sema Image
RM305 is a professional handheld thermal camera, featuring high resolution and manual focus for temperature measurement. It is equipped with a self-developed 384×288 infrared detector, providing a high sensitivity of 35mK. It finds extensive applications in fields such as electric power, electrical automation, building inspection, and commercial HVAC.
| Thermal Imaging | |
| Detector Type | 12μm uncooled infrared detector |
| Infrared Resolution | 384×288 |
| NETD | <35mK (25°C, F1.0) |
| Frame Rate | 30Hz |
| Focal Length / FOV | 6.2mm / 43.7°×31.9° |
| Measurement Range | -20~+150°C, 100~550°C |
| Image Display | |
| Display | 3.5-inch touch screen, 640×480 resolution |
| Visible Light Camera | 5 megapixels |
| Image Mode | Infrared, visible light, PIP, dual-spectrum fusion |
| System & Storage | |
| Storage Medium | Standard 32GB MicroSD, up to 512G |
| Communication | Wi-Fi, USB Type-C |
| Battery Life | About 6h (with 2 batteries) |
| Physical Characteristics | |
| Ingress Protection | IP54, 2m Drop Protection |
| Weight & Dimensions | 670g, 258.4×105.1×102.3mm |
Product R&D
Equipment Maintenance
Electric Routine Inspection
Electrical Maintenance





