Spectrum WatchDog 3665R Product Manual Download Page 2

Positioning Sensor 

 

When choosing a location for your rain collector keep the 
following in mind: 

• 

Mount the collector on a 1” to 1¼” mast (pipe) using 
the u-bolt.  Make sure the collector is level when 
positioning the mast mount. Use a bubble leveler to 
check that the collector’s base is level. 

• 

The gauge contains a magnet-operated switch which 
may not operate correctly if you mount the rain 
collector on or near any object which attracts a 
magnet. 

• 

Choose a location easily accessible for normal 
cleaning and is distant from trees and other sources 
of pollen or debris.  

 

 

 

T

HANK

 

YOU

 

for purchasing a Rain Collector to use with 

your WatchDog Micro or Mini Station This manual will aid 
you in placement and mounting of the rain gauge.  Read 
it thoroughly to insure proper and effective use of the 
sensor.

 

This rain collector measures rainfall in 1/100th inch 
increments.  The self-emptying, tipping bucket design is 
accurate and reliable.  The rain collector will be accurate 
to ±2% at < 2 in (5 cm) per hour. 

Use 

SpecWare 

software to program the WatchDog to log 

rainfall.  Refer to the 

SpecWare Instruction Manual

 for 

detailed launch and/or readout instructions.   

The rain gauge includes a 6 foot cable that is connected 
into 

port A 

on models 1115, 1200, 1225, 1400, 1425, 

1450, 1525 or 1650 WatchDog Micro Stations or models 
2400, 2425, 2450, or 2475 WatchDog Mini Stations. .  
Once the sensor is positioned in a representative “micro-
climate”, connect the cable into port A to log rainfall data.   

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