National Geographic 259NE - Manual (Page 6)

6
11.0 Specifications
Temperature Measuring Range
Monitor -20°C to 70°C with 0.1°C resolution
-4°F to 158°F with 0.2°F resolution
Remote Sensor -50°C to 70°C with 0.1°C resolution
-58°F to 158°F with 0.2°F resolution
Temperature Checking Interval
Monitor Every 32 seconds
Remote Sensor Every 16 seconds
Power Source
(Alkaline batteries recommended)
Monitor 2 x AA batteries, 1.5V batteries
Remote Sensor 2 x AA batteries, 1.5V batteries
Battery life About 12 months
12.0 Remote Sensor
To prevent temperature interference, place the remote sensor away from direct
sunlight, air conditioning, and heater vents. The remote sensor is splash proof
designed, never immerse into water or expose to heavy rain.
Monitor
The monitor can be mounted on a wall or placed on any flat surface.