Apogee Instruments S2-111 Руководство пользователя - Страница 5
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SENSOR MODELS
This manual covers SDI-12 output models S2-411 and S2-412 (in bold below). Additional models are covered in
their respective manuals.
Model
S2-111
S2-112
S2-411
S2-412
Signal
Measures red and NIR irradiance (upward-looking) for NDVI
Voltage
Measures red and NIR irradiance (downward- looking ) for NDVI
Voltage
Measures red and NIR irradiance (upward-looking) for NDVI
SDI-12
Measures red and NIR irradiance (downward- looking ) for NDVI
SDI-12
Description
An upward-looking (S2-411) sensor's model number
and serial number are located on the bottom of the
sensor. If you need the manufacturing date of your
sensor, please contact Apogee Instruments with the
serial number of your sensor.
A downward-looking (S2-412) sensor's model
number and serial number are located near the
connector on the sensor cable. If you need the
manufacturing date of your sensor, please contact
Apogee Instruments with the serial number of your
sensor.