6. Connect the sensor cable.
More Information
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Connecting Sensor and Device Cables (page 218)
11.4 Installing CMP
5‑mm Allen key
For the most reliable measurements:
• Make sure that nothing obstructs radiation. Check the height of the nearest obstruction,
and leave at least 10 times that distance between the obstruction and the pyranometer.
For example, if the nearest obstruction is a 5-meter (16 ft 5 in) tree, leave at least
50 meters (164 ft) between the tree and the pyranometer.
• Install the pyranometer on a mounting plate. Temperature
fluctuations of the
pyranometer body can produce oset signals. The non-conducting materials of the
mounting plate thermally isolate the sensor from its fixtures.
• Make sure that the sensor is level.
Do not perform installation or maintenance procedures when there is a
risk of thunderstorm or lightning activity in the area.
WARNING!
A long cable between units (sensors, transmitters, power supplies, and
displays) can cause a lethal lightning-induced current surge. Always ground the
enclosure to a suitable grounded location with a short, low-resistance cable.
WARNING!
These instructions provide general instructions for installing CMP pyranometers. All steps
may not apply to a particular sensor.
AWS310/AWS310-SITE Installation Manual M211584EN-F
124
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