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8. Technical Specifications
Measurement interval for outdoor sensors ...............................................2-3 min
Measurement interval for indoor sensor (Temperature, humidity) ................ 3 min
Interval for measuring air pressure ............................................................. 15 min
Transmission frequency ........................................................................916.5 MHz
Outdoor range: ......................................................................max. 400 ft. (120 m)
Indoor temperature range: ....................................32 °F to 140 °F (0 °C to 60 °C)
Resolution: .................................................................................................. 0.1 °F
Accuracy: ........................................................................ ±1.8 °F (59 °F to104 °F)
Outdoor temperature range (TX 550 US):...-20 °F to 175.8 °F (-29 °C to 79.9 °C)
Resolution: .................................................................................................. 0.1 °F
Accuracy: ....................................................................... ±1.4 °F (50 °F to 104 °F)
Measurement range rel. humidity (inside/outside) .....................1% rH - 99 % rH
Resolution: .................................................................................................1 % rH
Accuracy: ..........................................................................± 5 % rH (30-70 % rH)
Rain quantity display: ...............................................0 to 39.3 inch (0 to 999 mm)
Evaluation interval: ............................................................ last hour: at xx:30 hrs
..................................................................................................day: at 7:30 a. m.
Resolution: ..................................................................... up to 10 inch: 0.01 inch
..........................................................................................above 10 inch: 0.1 inch
Wind velocity: ...........................................................0 to 124 mph (0 to 200 kph)
Resolution: ..................................................................... up to 100 mph: 0.1mph
..........................................................................................above 100 mph: 1 mph
Wind direction: ......................................................................................0° to 355°
Resolution: .........................................................................................................5°
variation range: ...............................................................±0°;±22.5°; ±45°; ±67.5°
Voltage supply:
Base station (Main power supply): ................7.5 V DC via plug-in mains adapter
Base station (back-up power supply): ................................... 4 x Battery AA cells
TX 550 US: .............................................................................3 x Battery AA cells
Dimensions Base station without foot (W x H x D): ..................10.2 x 8.5 x 1.3 inch
.............................................................................................. (260 x 215 x 32 mm)
Instructions for disposal
Do not dispose of the device as part of household garbage!