The BC-20 is a professional handheld UV corona discharge camera with solar-blind detector (240–280nm), dual FOV lens and accurate photon counting. Operates in full daylight with no sunlight interference for safe high-voltage inspection.
UV Optical
Spectral Range
240 ~ 280nm (solar-blind)
FOV (W × H)
13.3°×10.6° wide · 5°×3.75° telephoto
Min. Discharge Sensitivity
1 Pc/10m
Min. UV Sensitivity
2 × 10⁻¹⁸ W/cm²
Focus Range
1.5m ~ ∞ (auto)
Visible Optical
Focus Range
1.5m ~ ∞ (auto)
Display
Type
5-inch Transflective Sunlight-readable LCD
Modes
UV only · VIS only · Combined (UV+VIS)
UV/VIS Overlay Accuracy
< 1 milliradian
Storage
Capacity
32G TF card standard (64G optional)
Power
Battery
Li-ion rechargeable
Working Hours
≥4.5 hrs per battery (2 supplied)
Physical
Dimensions
24.4 × 13.5 × 9.6 cm
Operating Temperature
-20°C ~ +55°C
Certifications