4
5.6Glossary
of
Terms
Term Definition
Accuracy Accuracy
is
defined as the ability of a measurement to match the actual
value of the quantity being measured.
Hygrometer
A hygrometer is a device that measures relative humidity. Relative
humidity is a term used to describe the amount or percentage of water
vapor that exists in air.
Range
Range is defined as the amount or extent a value can be measured.
5
Specifications
5.1
Wireless
Specifications
•
Line of sight wireless transmission (in open air): 100 meters, 30 meters under most
conditions.
•
Frequency: 433.9 MHz(+/-250K)
•
Update Rate: 60 seconds
5.2
Measurement
Specifications
The following table provides specifications for the measured parameters.
Measurement Range
Accuracy
Resolution
Indoor Temperature
0 to 60 °C
± 1 °C
0.1 °C
Indoor Humidity
10 to 99%
± 5% (only guaranteed
between 20 to 90%)
1 %
5.3
Power
Consumption
•
Indoor sensor : 2 x AAA 1.5V Alkaline or Lithium batteries (not included)
•
Battery life: Minimum 12 months for indoor thermometer-hygrometer sensor , Backlight
often light may reduce the battery life.
6
FCC
Statement
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected. -- Consult the dealer or an experienced radio/TV technician for help.
