Measurement ranges, Specifications, About the atomic clock – AcuRite 75110 Weather Station User Manual

Page 9: Product registration

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Measurement Ranges

Temperature
Main Unit Temperature: 32ºF to 122ºF / 0ºC to 50ºC

Wireless Sensors:

temperature sensor: -40ºF to 158ºF / -40ºC to 70ºC

humidity sensor: 16% RH to 99% RH

wind sensor: up to 99 mph / 159 Kph (depending on conditions)

rainfall collector sensor: 0 to 99.99 inches / 2539 mm

Specifications

Power Requirements
Main Unit: 3 x “AA” alkaline or lithium batteries or AC power Adaptor

Wireless Sensors:

temperature & humidity sensor: 2 x “AA” alkaline or lithium (recommended) batteries

wind sensor: 2 x “AA” alkaline or lithium (recommended) batteries

rainfall collector sensor: 2 x “AA” alkaline or lithium (recommended) batteries

Wireless Communication
Radio Frequency: 433 mhz

Transmission Intervals: every 16 seconds

Atomic Clock
Frequency: WWVB 60Khz

Synchronizes Daily

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A clock is considered atomic if it has an accuracy of one second in

a million years. Consumer clocks are considered atomic if they

attain this accuracy by receiving a signal from an atomic clock. In

North America, the National Institute of Standards and

Technologies operates an atomic clock in Colorado which

transmits the time codes via the radio station WWVB. The signal is

transmitted in a very low frequency (60,000 Hz). The Acurite clock

you have purchased includes a built-in receiver which picks up the

signal from the WWVB station. NOTE: Due to solar radiation in the

atmosphere, the atomic clock signal is weak during the day. Most

synchronization with the WWVB atomic clock signal happens at

night when there is less interference.

About the Atomic Clock

PLEASE DISPOSE OF OLD OR DEFECTIVE BATTERIES IN AN ENVIRONMENTALLY

SAFE WAY AND IN ACCORDANCE WITH YOUR LOCAL LAWS AND REGULATIONS.

BATTERY SAFETY: Follow the polarity (+/-) diagram in the battery compartment. Promptly

remove dead batteries from the device. Dispose of used batteries properly. Only batteries

of the same or equivalent type as recommended are to be used. DO NOT incinerate used batteries.

DO NOT dispose of batteries in fire, as batteries may explode or leak. DO NOT mix old and new

batteries or types of batteries (alkaline/standard). DO NOT use rechargeable batteries. DO NOT
recharge non-rechargeable batteries. DO NOT short-circuit the supply terminals.

ALWAYS USE PROPER TOOLS AND MOUNT/PLACE SENSORS IN AREAS THAT WILL BE
SAFE TO YOURSELF AND OTHERS. SEEK PROFESSIONAL ASSISTANCE IN
MOUNTING/PLACING THE WIRELESS SENSORS AND FOLLOW YOUR LOCAL LAWS AND
REGULATIONS WHEN CHOOSING A MOUNTING/PLACEMENT LOCATION FOR THE
WIRELESS SENSORS

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