PHOTOSYNTHETICALLY EFFECTIVE RADIATION SENSOR
RY-GH
MANUAL
INTRODUCTION
The photosynthetically effective radiation sensor is mainly used to measure the photosynthetically effective radiation of natural light in the wavelength range of 400-700nm, and is simple to use. It can be directly connected to a digital voltmeter or a data collector and can be used under all weather conditions.
The meter uses a silicon photodetector and passes through a 400-700nm optical filter. When there is light, a voltage signal is generated that is proportional to the intensity of the incident radiation, and its sensitivity is proportional to the cosine of the direct angle of the incident light. μ • mol / m2 • s.
This table is widely used in agricultural meteorology and crop growth research.
TECHNICAL SPECIFICATION
●Spectral range: 400-700nm
●Sensitivity: 7-70μv / μ • mol • m2 • s
●Response time: <1s (99%)
●Temperature related: maximum 0.05% / ℃
●Cosine correction: up to 80 ° incident angle
●Internal resistance: <2K
●Working environment: temperature -40—65 ℃, humidity <90%
●Output: 200mv of original output
●Wiring: Red + White-
●RY-GH + RY-ST: Transmission output RS485 / 4-20MA
●Range: 0-4000μ • mol • m2 • s
●Wiring: red + black-yellow ma output (current type)
●Wiring: Red + Black-Yellow A Blue B (Type 485)
●Standard wiring length: 1.5 meters
●Farthest lead length: 200m for current, 100m for RS485, 50m for voltage
WIRING METHOD
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