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siding. If you have metal siding, align the remote and console through a window to get a clear
line of sight.
The following is a table of reception loss vs. the transmission medium. Each "wall" or obstruction
decreases the transmission range by the factor shown below.
Medium
Glass (untreated)
Plastics
Wood
Brick
Concrete
Metal
5.6 Indoor Thermo-Hygrometer-Barometer Transmitter
(Optional WH32B)
The indoor thermometer, hygrometer and barometer measures and displays the indoor temperature,
humidity and pressure and transmits this data to the ObserverIP receiver.
Note: Do not install the thermo-hygrometer-barometer transmitter outside. This will cause errors
in the barometric pressure due to large variations in temperature (barometric pressure is temperature
compensated for accuracy). Note that pressure readings made inside your home, business, or facility
will correspond closely to the actual barometric pressure outside.
Note: The thermo-hygrometer-transmitter transmits directly to the ObserverIP receiver. For best
results, place between 5 to 20 feet from the ObserverIP receiver.
Note: To avoid permanent damage, please take note of the battery polarity before inserting the
batteries.
Remove the battery door on the back of the sensor by sliding off the battery door. Insert two AA
batteries as shown in Figure 2, and close the battery door. Note that the temperature, humidity and
barometer will be displayed on the LCD display.
5.7 Indoor / Outdoor 8-Channel Thermo-Hygrometer
Transmitter (Optional WH31B)
Note: Thee 8-channel sensors only appear on AmbientWeather.net. They are not supported on
Weather Underground. Unlike other sensors, they cannot be calibrated or adjusted from the
ObserverIP modules User Interface.
Note: Do not use rechargeable batteries. We recommend fresh alkaline batteries for outdoor
temperature ranges between -4 °F and 140 °F and fresh lithium batteries for outdoor temperature
ranges between -40 °F and 140 °F.
Version 1.1
©Copyright 2018, Ambient LLC. All Rights Reserved.
RF Signal Strength Reduction
5-15%
10-15%
10-40%
10-40%
40-80%
90-100%
Page 10
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