Campbell CM10K Dokumentacja Pobierz pdf (Strona 8)

The rain gauge includes a siphoning mechanism that allows the rain to flow at a steady rate to the

tipping bucket mechanism regardless of rainfall intensity which reduces typical rain bucket

errors, enabling the gauge to record intense rainfall events. As a backup, we recommend

installing a regular precipitation gauge (US) to double check heavy precipitation events (>50

mm/hour). Both precipitation gauges should be mounted at least 6 m from the main climate

station tower and at least 30 cm above the ground.

Solar Radiation – Licor LI200X-L

This is a silicon-photovoltaic pyranometer that measures global solar radiation (both direct and

diffuse radiation). Although less sensitive than the most sophisticated thermopile pyranometers,

the Licor LI200X-L has medium stability (± 2% per year) and acceptable accuracy (3%-5%) for

baseline measurements. The LI200X-L should be mounted in an area with near complete view of

the sky (no obstacles 5 degrees above the horizon), which in many cases might require it to be

installed in a separate location from the rest of the sensors (see Section 2.4 below). Sensors are

mounted in duplicate (one facing north and one facing south) to account for seasonal movements

in the solar path and to serve as a backup.

Solar Panel – SP10

A solar panel provides the energy needed to keep the station running. Although the station

actually relies on the battery for power, the battery is kept charged by the solar panel. The solar

panel will still provide some power on cloudy days, but not as much as on sunny days. Still, one

should not be concerned about losing data due to power failure unless there is an exceptionally

long period of cloudiness.

Battery – Universal Power Group UB121000

The battery stores the energy captured by the solar panel during the day and allows the station to

keep running at night when the solar panel cannot provide power. The Universal Power Group

UB121000 is recommended because of its ability to store a charge for extended periods of time.

This type of battery is a sealed lead acid DC 12V – 100 Ah rechargeable battery. Although the

battery is sealed, a battery casing is also required to protect the terminals from weather and other

damage (see Section 0 for more information). The battery casing should have holes punched in it

or should be open enough to allow the hydrogen gas produced by the battery to escape. The case

can be assembled from materials on site or purchased from a reputable business.

Charge Regulator – PS100

This piece of equipment is very important because it helps to regulate the power coming from the

solar panel. Without the charge regulator the battery would become damaged by overcharging

from the solar panel. The regulator also prevents the battery current from flowing to the solar

panel at night. Because of these reasons, the climate station should only be operated if a charge

regulator is installed.

Note: More information about equipment can be found in the “General overview of equipment”

video in the Climate Protocol section of the TEAM portal

(http://www.teamnetwork.org/en/protocols/threat/climate).

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Campbell CM10K Dokumentacja Strona 8