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P4 Multispectral User Manual
52
©
2020 DJI All Rights Reserved.
Rate of Data Collection
Max operating area of approx. 0.63 km
2
for a single ight
at an altitude of 180 m, i.e., GSD is approx. 9.52 cm/pixel,
with a forward overlap rate of 80% and a side overlap
ratio of 60%, during a ight that drains the battery from
100% to 30%.
Gimbal
Controllable Range Pitch: -90° to +30°
Vision System
Velocity Range
≤ 31 mph (50 kph) at 6.6 ft (2 m) above ground with
adequate lighting
Altitude Range 0 - 33 ft (0 - 10 m)
Operating Range 0 - 33 ft (0 - 10 m)
Obstacle Sensory Range 2 - 98 ft (0.7 - 30 m)
Operating Environment Surfaces with clear patterns and adequate lighting (> 15 lux)
Infrared Sensing System
Obstacle Sensory Range 0.6 - 23 ft (0.2 - 7 m)
FOV 70°(Horizontal), ±10°(Vertical)
Measuring Frequency 10 Hz
Operating Environment
Surface with diuse reection material, and reectivity >
8% (such as wall, trees, humans, etc.)
Camera
Sensors
Six 1/2.9” CMOS, including one RGB sensor for visible light
imaging and ve monochrome sensors for multispectral
imaging.
Each Sensor: Eective pixels 2.08 MP (2.12 MP in total)
Filters
Blue (B): 450 nm ± 16 nm; Green (G): 560 nm ± 16 nm;
Red (R): 650 nm ± 16 nm;
Red edge (RE): 730 nm ± 16 nm; Near-infrared (NIR):
840 nm ± 26 nm
Lenses
FOV (Field of View): 62.7°
Focal Length: 5.74 mm (35 mm format equivalent: 40 mm),
autofocus set at ∞
Aperture: f/2.2
RGB Sensor ISO Range 200 - 800
Monochrome Sensor Gain 1 - 8x
Electronic Global Shutter
1/100 - 1/20000 s (visible light imaging);
1/100 - 1/10000 s (multispectral imaging)
Max Image Size 1600×1300 (4:3.25)
Photo Format
JPEG (visible light imaging or multispectral index map) +
TIFF (multispectral imaging)
Supported File Systems FAT32 (≤ 32 GB); exFAT (> 32 GB)
Supported SD Cards
microSD with a minimum write speed of 15 MB/s.
Max Capacity: 128 GB. Class 10 or UHS-1 rating required
Operating Temperature 0° to 40° C (32° to 104° F)
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