Apogee S2-122 Panduan Pemilik - Halaman 5

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SENSOR MODELS

This manual covers the analog output models S2-121 and S2-122 (in bold below). Digital models are covered in

their respective manuals.

Model

S2-121

S2-122

S2-421

S2-422

Signal

Measures green and yellow irradiance (upward-looking) for

Voltage

Measures green and yellow radiance (downward-looking)

Voltage

Measures green and yellow irradiance (upward-looking) for

SDI-12

Measures green and yellow radiance (downward-looking)

SDI-12

Description

PRI

for PRI

PRI

for PRI

Upward-looking (S2-121) sensor model number and

serial number are located on the bottom of the

sensor. If the manufacturing date of a specific

sensor is required, please contact Apogee

Instruments with the serial number of the sensor.

Downward-looking (S2-122) sensor model number

and serial number are located near the connector

on the sensor cable. If the manufacturing date of a

specific sensor is required, please contact Apogee

Instruments with the serial number of the sensor.