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RF Signal Strength Reduction
Accuracy is defined as the ability of a measurement to match the actual
value of the quantity being measured.
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 is defined as the amount or extent a value can be measured.
microSDHC Class 4 Flash
Memory Card SDC4/8GB
MicroSDHC for data backup and advanced data analysis.
9 Specifications
9.1 Wireless Specifications
• Line of sight wireless transmission (in open air): 300 feet, 100 feet under most conditions.
• Frequency: 915 MHz
• Update Rate: About 60 seconds
9.2 Measurement Specifications
The following table provides specifications for the measured parameters.
± 5% (only guaranteed
between 20 to 90%)
± 5% (only guaranteed
between 20 to 90%)
9.3 Power Consumption
• Base station (display console) : AC Power
• Remote sensor : 2 x AA 1.5V Alkaline or Lithium batteries (not included)
• Battery life: Minimum 12 months for base station with one sensor and excellent reception.
Intermittent reception and multiple sensors may reduce the battery life.
Minimum 12 months for thermometer-hygrometer sensor (use lithium batteries in cold
weather climates less than -4 °F)
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