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BATTERY INSTALLATION

• Remove the screws from the battery compartment with a small Phillips screwdriver.
• Set the channel 1 through 3. The switch is located in the battery compartment. Set one sensor to

Channel 1 and the second sensor to Channel 2, etc. The sensors must operate on
separatechannels.

• Install 2 “AA” batteries matching the polarities shown in the battery compartment.
• Replace the battery compartment door and secure the screws.
• Secure the thermo-hygrometer remote sensor in the desired location.

MOUNTING

• The remote thermo-hygrometer sensor can be placed on the flat surface or mounted on the wall in

vertical position.

• Use the wall mount hardware and screws provided when mounting the thermo-hygrometer sensor

on the wall.

PLACEMENT TIPS:

• The remote thermo-hygrometer sensor should be placed in the area with a free air circulation

and sheltered from the direct sunlight and an extreme weather conditions.

• Ideally, place the thermo-hygrometer sensor above the natural surfaces (such as a grassy lawn).
• Avoid placing the thermo-hygrometer sensor near sources of heat such as chimneys and heating

elements.

• Avoid areas that collect or radiate heat from the sun, such as metal, brick/concrete structures,

paving, 
or patio decks.

• The best location for temperature measurements is 4 feet (1.25meters) above the ground.

RAIN GAUGE 

FEATURES

• Precipitation measurement.
• Remote rainfall data transmission to the main unit via 433 MHz signal.
• 100 feet (30 meters) transmission range without interference.
• Built-in installation level.

A. RAIN GAUGE BUCKET

Contains electronic components.

B. KNOB

Secures the top on the rain gauge bucket.

C. RAIN GAUGE FEET

Secures the rain gauge in
place.

D. FUNNEL-SHAPED TOP WITH

BATTERY COMPARTMENT

Contains battery compartment
and rainfall counting
electronics.

E. BATTERY COMPARTMENT

Holds two “AA” batteries.

F. SCREWS

Secures battery compartment
cover.

G. BUILT-IN LEVEL WITH BUBBLE

Ensures level rain gauge
mounting for proper operation.

H. BUCKET SEE-SAW MECHANISM

Collects the rainfall in one of its containers and self-empties once full.

I. PROTECTIVE SCREEN

Protects the rain gauge funnel from debris.

BATTERY INSTALLATION

• Unlock the funnel-shaped top on the rain gauge by turning both knobs on the sides in an anti-

clockwise direction.

• Remove the funnel-shaped top lifting it off the rain gauge bucket.
• Remove 7 small screws from the battery compartment cover using a small Phillips screwdriver.
• Insert 2 “AA” batteries (not included), matching the polarities as shown in the battery

compartment.

• Replace the battery compartment door and secure the screws.
• Insert the funnel-shaped top into the rain gauge bucket and secure it in place by turning the knobs

clockwise.

MOUNTING

• Make sure that the rain gauge bucket is level – check inside built-in level for bubble center.
• Place the protective screen over the top to protect the rain gauge from the debris.
• Where practical, mount the rain gauge in place with wood screws (not included).
• Make sure that the rain gauge is in open area where precipitation falls directly into the gauge’s

bucket, 
ideally 2-3 feet above the ground.

PLACEMENT TIPS

• The rain gauge should be placed in an open area away from the walls, fences, trees and other

coverings which may reduce the amount of rain falling into the bucket. Additionally, trees and
rooftops may be sources of pollen and debris.

• To avoid the rain shadow effects, place the rain gauge horizontally, on the distance corresponding

to two to four times the height of any nearby obstruction.

• It is important to locate the unit where rain can flow away freely.

ANEMOMETER (WIND SENSOR) 

FEATURES

• Wind speed and wind direction measurement.
• Remote wind speed and wind direction data transmission to the main unit via 433 MHz signal.
• Operating range 100 feet (30 meters).
• Wall or pole mount.

A. WIND VANE -  

Indicates wind direction.

B. WIND CUPS - 

Measures wind speed.

C. ANEMOMETER BASE

• Holds battery compartment.
• Allows mounting the anemometer vertically.

D. ANEMOMETER ARM

Connects battery to anemometer 
head assembly.

E. WIND CUPS SHAFT

Holds wind cups on the a

nemometer arm.

F. BATTERY COMPARTMENT

Holds 2 “AA” batteries.

G. WALL MOUNT SCREW OPENINGS - 

Allows securing the anemometer in place.

H. BATTERY COVER - 

Secures battery compartment on the anemometer base.

ASSEMBLY

• Slide the wind cups on to the anemometer rotating shaft. Do not use force.
• Insert the Allen Wrench (provided) into the wind cup set screw opening. Tighten the set screw to

secure wind cups to the rotating shaft.

• Test to ensure cups are securely fastened to the shaft.

BATTERY INSTALLATION

• Remove four (4) screws from the battery compartment with a small Phillips screwdriver.
• Open the battery compartment and install 2 “AA” batteries (not included) matching the polarities

shown.

• Replace the battery compartment door and secure the screws.

ALIGNING

• Point the wind direction vane to the north (use a compass or map if necessary).
• Press the button inside the “

SET

” opening located inside battery compartment with a paper clip.

SET

” selects a new direction for 

NORTH

and, when pressed repeatedly, alternates between the

factory default 

NORTH

and user selected 

NORTH

.

NOTE: 

Repeat this procedure after changing the batteries.

MOUNTING

Mount the anemometer onto a vertical surface, using the fittings provided.

PLACEMENT TIPS:

• The anemometer should be mounted in an open area with a free air flow; away from the nearby

trees, buildings or other structures.

• For optimal performance, mount the anemometer at 33 feet (10meters) above the ground in

unobstructed area.

MAIN UNIT

The main unit measures pressure, indoor temperature, humidity, and receives atomic time data from
the US Atomic Clock and outdoor measurements from remote sensors. It should be placed indoors.

FEATURES

TIME

• Precise time and date set via RF signals from US Atomic clock.
• 12 or 24 hour time format.
• Manual adjustment of time and date.
• Calendar displaying date with month and day in 6 languages English, German, French, Italian,

Spanish and Dutch.

• Time Zones for over 100 pre-programmed world cities.
• Moon Phase calendar and historical data for the past and future 39 days.
• Dual crescendo alarms with programmable snooze.

WEATHER

• Weather forecast for the next 12 to 24 hour in seven large icons: Sunny, Partly Cloudy, Cloudy,

Light Rain, Heavy Rain, Unstable Weather and Snowy.

• Barometric pressure in imperial or metric units.
• Altitude adjustment for pressure compensation.
• 24 hour barometric pressure history chart.
• Multiple weather alerts including: Hi/Low temperature, Daily Rainfall, Hi wind gust and Hi wind

speed alerts.

• Indoor/Outdoor Temperature & Humidity in up to 3 remote locations (additional sensors required).
• Dew point and comfort level indicators.
• Wind direction, speed and wind gust averages and memory.
• Rainfall amount with minimum and maximum memory.
• 200 weather records without PC connection.
• PC software (included) and USB port.
• Operating range from 100 feet (30 meters) up to 328 feet (100 meters).

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Summary of Contents for WS831DL

Page 1: ...hem outside For most applications alkaline batteries are acceptable where temperatures remain above 32 F 0 C Avoid using rechargeable batteries Rechargeable batteries do not provide correct power leve...

Page 2: ...avoid the rain shadow effects place the rain gauge horizontally on the distance corresponding to two to four times the height of any nearby obstruction It is important to locate the unit where rain c...

Page 3: ...s BUTTONS AND CONTROLS MAIN UNIT CONTROL BUTTONS A UP Selects the next available window counter clockwise Increases parameters B DOWN Selects the next available window clockwise Decreases parameters C...

Page 4: ...ndow and all previous settings will be cancelled CUSTOM WEATHER STATION SETTINGS The basic operation of your weather station has been designed to work right out of the box 10 minutes after power is pr...

Page 5: ...con or lower temperature alert with icon if disabled displays OFF Once the above alerts have been set press UP or DOWN until to enable or disable the corresponding alert PROGRAMMING CH1 CH3 TEMPERATUR...

Page 6: ...will only disable the alarm for the current day The alarm will activate again on the next day Monday through Friday ATOMIC TIME RECEPTION The purpose of the atomic clock is to provide consistently ac...

Page 7: ...service if handled carefully Here are a few precautions Do not immerse the units in water Do not clean the units with abrasive or corrosive materials that might scratch plastic parts or corrode electr...

Page 8: ...NY 10013 3567 PHONE 212 431 6100 FAX 212 431 6499 TOLL FREE 800 697 8665 e mail sales generaltools com www generaltools com WS831DL User s Manual Specifications subject to change without notice 2009...

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