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SYSTEM
3. SYSTEM
This section describes the SC-1 Leaf Porometer components and theory.
3.1 SPECIFICATIONS
MEASUREMENT SPECIFICATIONS
Stomatal Conductance
Range 0 to 1,000 mmol/(m
2
s)
Resolution 0.1 mmol/(m
2
s)
Accuracy ±10% of measurement from 0 to 500 mmol/(m
2
s)
NOTE: The SC-1 can measure higher than 500 mmol/(m
2
s) and detect relative stomatal conductance change in
the high range, but absolute accuracy becomes unverifiable past 500 mmol/(m
2
s).
Measurement Time
30 s
PHYSICAL SPECIFICATIONS
Controller Dimensions
Length 15.8 cm (6.2 in)
Width 9.5 cm (3.8 in)
Height 3.3 cm (1.3 in)
Sensor Head Dimensions
Length 12.0 cm (4.7 in)
Width 2.5 cm (1.0 in)
Height 5.5 cm (2.2 in)
Sensor Aperture Diameter
6.35 mm (0.25 in)
Sensor Cable Length
1.2 m (4 ft)
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