14
SYSTEM
3. SYSTEM
This section describes the specifications, components, and theory of the LP-80.
3.1 SPECIFICATIONS
MEASUREMENT SPECIFICATIONS
Probe PAR Sensors
Range
0 to 2,500 μmol/(m
2
s)
Resolution
1 μmol/(m
2
s)
External PAR Sensor
Range
0 to 4,000 μmol/(m
2
s) (full sunlight ~2,000 μmol/[m
2
s])
Resolution
1 μmol/(m
2
s)
Accuracy
±
5%
Unattended Logging Interval
Between 1 and 60 min (user selectable)
PHYSICAL SPECIFICATIONS
Controller Dimensions
Length
15.80 cm (6.20 in)
Width
9.50 cm (3.75 in)
Height
3.30 cm (1.30 in)
Weight
0.55 kg (1.21 lb) with batteries
Probe Dimensions
Length
86.5 cm (34.06 in)
Width
19.0 cm (0.75 in)
Height
9.5 cm (0.38 in)
External Sensor Dimensions
Diameter
24.0 mm (0.94 in)
Height
27.0 mm (1.06 in)
Probe Sensors
Number
80
Type
Photosynthetically active radiation sensor
