Campbell CM10K Spécifications télécharger pdf (Page 41)

Passive radiation shield: Every two weeks (or every time the station is visited) inspect the

radiation shield to make sure no animals have colonized the structure (wasps love the shade

provided by the shield). Clean the surface of the main ‘umbrella’ and the tube with a slightly

damped cloth to remove dust and dirt and keep the efficiency of the shield as high as possible.

Precipitation gauge (TB4MM-L): Inspect the precipitation gauge every time the station is

visited. Remove any debris from the collection funnel or debris screen. Every two weeks,

remove the cover of the gauge to make sure no insects or other animals are present inside.

Carefully check that the tipping bucket mechanism is moving freely (DO NOT tip it because a

rainfall event will be recorded in the data logger). Inspect the siphoning tubes attached to the

bottom of the gauge and make sure they are clear and free from debris (otherwise water will back

up into the gauge). Check the bubble level to ensure the gauge is leveled. If needed, correct the

level by adjusting the nuts on the mounting brackets.

Solar radiation (LI 200X-L): Every month, check the level of the pyranometers and adjust if

necessary. Remove any debris on the sensor head by using a soft brush. If the debris is

substantial (e.g. a bird dropping) note it in the maintenance log (Appendix A.3), and carefully

clean the surface of the sensor with a lightly dampened cloth (do not use chemical cleaners).

Inspect the drain hole next to the sensor and ensure it is open and free of debris.

4.6 Power systems maintenance

Solar panel: Clean the surface of the solar panel every month by removing any debris, bird

droppings, dust, etc. This will keep the panel working at the maximum efficiency possible. Using

a voltmeter, measure the voltage differential coming out of the panel; not the regulator (at

maximum efficiency - full sun, this should be about 17.9 V).

Battery: Every month check the battery to ensure it is working properly. Check that all the cable

connections are tight and clean (no salt deposits or rust). When extracting data from the data

logger, examine the battery voltage minimum logs for any warning signs that the battery is not

performing optimally. Normal minimum voltages should be between 11-13 V. If the voltage of

the rechargeable battery dips below 10.5 V, this can cause irreversible damage to the battery. If

the minimum battery voltage dips below 10.5 V, immediately replace the battery.

System/Sensor Activity Frequency

Climate station core

area/fence

Remove debris, general maintenance Monthly

Tower base General inspection, rust control,

removal of debris, nests, etc

Biweekly

Instrument Enclosure External/Internal integrity Monthly

Check internal humidity

Replace silica or Zorb-it™ packets

Biweekly

Temperature/RH

sensor

Clean debris and deposits Monthly

Passive radiation

shield

Clean exterior surface, check fan,

inspect fan speed logs every time data

is downloaded

Biweekly

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Campbell CM10K Spécifications Page 41

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