DayCor® micROM HD is a solar-blind UV camera tailor-made for detecting and pinpointing corona partial discharge on UAVs. Compact and lightweight, it boasts a wide field of view complemented by HD imaging. Thanks to its electromagnetic shielding, the camera performs optimally even under challenging conditions. Designed for seamless UAV integration, its compatibility with various gimbals amplifies its versatility and ease of use.
In order to maximize flexibility, duration and velocity weight must be kept at minimum. micROM HD is a lightweight camera with energy-efficient management allowing longer, higher and faster flights while scanning power lines. micROM HD silhouette simplifies the outline of gimbal design requirements.
micROM HD streams & records HD videos providing clear views of the inspected scenes, allowing reading plate names & catalogue numbers of equipment for maintenance referencing. Videos can include corona events count, date & time, GPS, temperature and humidity (optional). High resolution guarantees more observed detailed data.
micROM HD provides in real time the representation of corona as it is emitted, displaying both the discharges and the faults. Imagery is clear and sharp even while on the move. Output is used to determine faults’ location and level of severity.
“As of Aug 2019, SDG&E is the first company in the United States to fly the corona camera on the UAS with the support of a local vendor integrating the camera on a UAS. In recent work, SDG&E completed 5 successful test flights on August 19- 20, 2019 and again on September 12, 2019 and assessed twelve 230kV tower structures, which took approximately one and half hours to complete. The normal way for this inspection is to use a handheld corona camera and that would have taken four hours. More testing is scheduled for 2020, and efforts will be made to integrate the procedures into the regular workforce operations.”
Compliance Filing of San Diego Gas & Electric Company’s (U 902 E) 2019 Electric Program Investment Charge Annual Report
Outstanding Features
Ofil develops and manufactures UV Bi-spectral optical and digital inspection systems with embedded proprietary patented Solar Blind technology. Ofil aims at providing precise solutions for science, industry and environmental wellness. Ofil owns the brand name DayCor® that stands for Daytime Corona detection.
| Minimum Discharge Detection | 1pC @ 8 m |
| Minimum UV Sensitivity | 7.8 x 10-18 watt/cm² |
| Fields of View | H: 20° V: 11.25° |
| Focus | Auto focus |
| UV Zoom | 3x digital continuous zoom; UV & Visible channels sync |
| Spectral Range | 240-280nm |
| Video Standard | HD, 720p ,1280 X 720px |
| Fields of View | H: 20° V: 11.25° |
| Focus Range | 5m to infinity, automatic & manual |
| Visible Zoom | 3x optical |
| Video Interface | HDMI, RTSP |
| Interfaces | RS232, MFIO-PWM, UART, Ethernet |
| Connectors | micro HDMI, RJ45, Power, AUX, MFIO-PWM |
| Storage and Operation Temp | -20°C up to +50°C |
| IP Rating | IP 42 |
| Video Format | MOV res. 720p |
| Stills Format | JPG |
| Digital Storage | Memory flash card Micro SD |
| Video Interface | HDMI, RTSP |
| Interfaces | RS232, CAN BUS, MFIO-PWM, UART |
| Connectors | microHDMI, RJ45, Power, AUX, MFIO, miniUSB, JST |
| UV & Visible Output Combination Modes | Combine (UV & Visible), UV only, visible only |
| Weight | 875gr (1.92lb) |
| Dimensions | L156 x W112 x H71mm | L6.14” x W4.4”x H2.79” |
| Nominal Power Consumption | 7-28V DC, 12 Watts |
GPS Data is added as meta data and appears on recorded media.
Fully integrated Gimbal (hardware and application) for mounting & operating micROM on DJI300
Camera operation App.
Left: Converter, where the integrated software is stored. Right: Gremsy gimbal for DJI m300
DayCor® micROM HD corona camera, by Ofil, is used on a sUAS to inspect 380kV overhead transmission line in Germany. Video is being concurrently transmitted to a remote monitor and stored onto onboard SD card. micROM HD provides high definition imaging of the inspected installations and alerts inspectors of existing corona partial discharges. The flashing signals cannot be ignored and attract the attention of inspectors. Using drones enables deeper investigations by hovering and zooming into suspected faults. Drones equipped with micROM corona cameras are valuable to asset managers and inspectors and provide in real time excellent information about corona discharges.
DayCor® micROM HD corona camera mounted on a drone scanning a substation and UHV transmission line. Using a drone enables getting to multiple heights of multiple voltage rates. Elevating the drone to high altitudes for long inspection terms entails using low load. micROM HD records and streams out high quality imaging of the utility installations and if corona exists micROM pinpoints its location. Simple, efficient and cost effective. An additional innovation by Ofil
micROM HD integration kit for DJI m300
DayCor micROM – a Plug-N-Play corona camera for drones. Sensitive, easy to operate, light, small, shielded, on board recording, easy installation, low power consumption.
DayCor® micROM HD mounted on a UAV scanning a substation. Looking for corona with OFIL HD corona camera is easy and beneficial. Inspectors can easily detect corona and zoom in optically and digitally to investigate the case.
A collection of corona video clips recorded by micROM HD corona camera mounted on UAS.
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