3
INSTALLATION
Table 1 Installation (continued)
Preparation
Conduct System Check
METER strongly recommends setting up and testing the system (sensors and
data loggers) in the lab or office.
Inspect and verify all components are intact.
Visit the data logger product page for the most up-to-date software and firmware.
Verify all sensors are functional and read within expected ranges.
Consider the Surroundings
For measurement of incoming PPFD in the outdoor environment, choose a
location that allows the sensor to be above the plant canopy or in a position
where the view of the sky is unobstructed (such as a large canopy gap or forest
clearing).
Ensure the sensor is not shaded from nearby objects (weather stations,
mounting posts, etc.).
Mounting
Install on Mounting Post
Use the U-bolt to mount the mounting bracket and sensor assembly
(
). The U-bolt is compatible with most meterological stands, poles,
tripods, and other mounts.
Ensure the sensor is oriented so the cable points toward true North (in the
Northern hemisphere) or true South (in the Southern hemisphere) to reduce
azimuth error.
Secure the System
Tighten the U-bolt nuts by hand until hand-tight, and then tighten with a wrench.
CAUTION: Do not overtighten U-bolt.
Adjust the three machine screws on the leveling plate until the integrated
bubble level indicates that the sensor is level
Secure and Protect Cables
NOTE: Improperly protected cables can lead to severed cables or disconnected sensors.
Cabling issues can be caused by many factors such as rodent damage, driving over sensor
cables, tripping over cables, not leaving enough cable slack during installation, or poor
sensor wiring connections.
Install cables in conduit or plastic cladding when near the ground to avoid
rodent damage.
Gather and secure cables between the sensors and the data logger to the
mounting post in one or more places to ensure cable weight does not pull the
plug free from its port.
Connect to Data Logger
Plug the sensor into a data logger.
Use the data logger to make sure the sensor is reading properly.
Verify these readings are within expected ranges.
For more instructions on connecting to data loggers, refer to
Содержание APOGEE SQ-521
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