SPECIFICATIONS
BASE STATION
Dimension (L x W x H) 180 x 90 x 160 mm
(7 x 3.54 x 6.3 inches)
Weight 427.5 g (0.94 lbs) without battery
Battery 4 x 1.5 VAA batteries
AC/DC Adapter Input: 100-240 V, 50-60 Hz 300 mA
Output: DC 5V, 1000 mA
ALL-IN-ONE SENSOR
Dimension (L x W x H) 385 x 195 x 315 mm
(15.16 x 7.68 x 12.4 inches)
Weight 1139 g (2.51 lbs) without battery
RF transmission frequency EU: 868mhz, US: 915mhz
No. of channel 3
RF transmission
range 250 - 300 m (internal antenna)
Transmission Cycle 15 seconds
Battery 4 x 1.5 V AA + 4 x 1.5 VAA (optional for dust
sensor)
Battery life with dust sensor: 6 months (8 x 1.5 V AA)
without dust sensor: 12 months (4 x 1.5 V AA)
BAROMETRIC PRESSURE
Unit mb, inHg, mmHg and hPa
Measuring range 700 – 1050 hPa
Accuracy +/- 7 hP a
Altitude setting Sea level
User setting for offset pressure to sea level
Weather display Sunny, Partly Cloudy, Cloudy,
Rainy and Snowy
INDOOR TEMPERATURE
Temperature unit °C / °F (°C for EU, °F for US)
Measuring Range -5 to 50 °C (23 – 122 °F)
Accuracy 0 – 40 °C (32 – 104 °F): +/-1 °C (+/- 2 °F)
-5 to 0 °C (23 – 32.0 °F): +/-2 °C (+/- 4 °F)
40 – 50 °C (104 – 122 °F): +/-2 °C (+/- 4 °F)
Resolution 0.1 °C (0.2 °F)
Memory Current, Min. and Max.
RELATIVE HUMIDITY
Measuring Range 25 % - 90 % RH
Accuracy 40 % - 80 % RH: +/-5 % RH
25 % - 40 % RH and 80 %- 90 %RH: +/-7 % RH
Resolution 1 %
Memory Current, Min and Max
OUTDOOR TEMPERATURE
Temp. unit °C / °F (°C for EU, °F for US)
Measuring Range -30 to 60 °C (-22 to 140 °F)
Accuracy -20 to 0 °C: +/-2.0 °C (+/- 4.0 °F)
0 – 40 °C: +/-1.0 °C (+/- 2.0 °F)
40 – 50 °C: +/-2.0 °C (+/- 4.0 °F)
50 – 60 °C: +/- 3.0 °C (+/- 6.0 °F)
Temperature resolution 0.1°C (0.2 °F)
Memory Current, Min and Max
WIND SENSOR
Wind speed unit m/s, knots, kph, mph
Speed accuracy 2 - 10 m/s (+/-2 m/s)
10 - 56 m/s (+/- 10%)
Direction resolution 22.5 degree
Memory Max wind speed
RAIN GAUGE
Rainfall unit mm , inch (mm for EU, inch for US)
Rain rate unit mm/hr and inch/hr
Measuring range for rainfall 0 mm to 9999 mm (0-393.6 inches)
Measuring range for rain rate 0, 0.04 in/hr (1mm/hr) to
40 in/hr (1016 mm/hr)
Accuracy 0 - 15 mm (0 - 0.6”)/hr : +/- 1 mm/hr (0.04”)
15 - 991 mm/hr (0.6 - 39”) : +/- 10 %
Memory Past 24 hrs, hourly from last memory reset
PRECAUTIONS
• Use only fresh batteries of the required size and type. Do not mix old and new
batteries, different types of batteries.
• Do not dispose old batteries as unsorted municipal waste. Collection of such
waste separately for special treatment is necessary.
• If you do not plan to use the product for a long time, remove the batteries.
Batteries can leak chemicals that can damage electronic parts.
• Do not subject the device to excessive force, shock, dust, temperature or
humidity.
• Do not immerse the device in water. If you spill liquid over it, dry it immediately
with a soft, lint-free cloth.
• Do not clean the device with abrasive or corrosive materials.
• Do not tamper with the device’s internal components. Doing so invalidates the
warranty.
• Images shown in this manual may differ from the actual display.
• When disposing of this product, ensure it is collected separately for special
treatment.
• The contents of this manual may not be reproduced without he permission of the
manufacturer.
NOTE The technical specications for this product and the contents of the user
manual are subject to change without notice.
NOTE
Features and accessories will not be available in all countries. For more
information, please contact your local retailer. To download an electronic version of
the user manual, please visit http://global.oregonscientic.com/customerSupport php.
WMR500_EN R25.indd 6 2017/3/14 下午2:50