Spectrum WatchDog 3665R Product Manual Download Page 3

WatchDog Data 
Logger inside 
radiation shield 

 Locate the rain collector 
in an open area which 
is  within reach of  the 
external WatchDog 
data port (Channel A). 
One rain collector per 
weather station. 

For greatest accuracy, you should thoroughly clean the rain 
collector at least once or twice a year.  Disconnect the logger 
from the rain collector to avoid any inadvertent counts on the 
logger when cleaning.  Your gauge should be cleaned using a 
mild detergent. 
 
Inspect the sensors frequently to make certain the sensors are 
still level and clear of obstructions.  

 

Rain collector adjustor 

If rain collector is not reading correctly (or at all) 
 
1. 1.  Launch the logger or weather station so you can see the rain 
measurements on the LCD (this step is not necessary if the rain col-
lector is attached to a WatchDog 2000 Series Mini or Weather Sta-
tion). 
 
2.  Check the inside of the rain bucket for debris such as leaves that 
may be blocking the grid at the bottom of the bucket.  Remove the rain 
bucket from the base and check for any obstacles (spider webs, de-
bris, etc.) that may be preventing the tipping spoon from moving freely.  
If the hole beneath the grid gets clogged with dirt, the cotter key can 
be removed to allow it to be cleared. 
 

3. 

Manually move the tipping spoon back and forth several times.  

Check the LCD after it has updated to see if these tips have been re-
corded.  Do this several times.   

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