WMR 90A - Weather Station OREGON SCIENTIFIC - Free user manual and instructions
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| Product type | Home weather station with wireless sensor |
| Brand | Oregon Scientific |
| Model | WMR 90A |
| Category | Weather Station |
| Outdoor sensor included | Wireless temperature and humidity sensor |
| Transmission range | 30 meters in open field |
| Transmission frequency | 433 MHz |
| Indoor temperature | Display range from 0 °C to +50 °C |
| Outdoor temperature | Display range from -20 °C to +50 °C |
| Hygrometry | Indoor and outdoor humidity display in % |
| Atmospheric pressure | Relative and absolute measurement with hPa display |
| Weather forecast | Forecast icons for 12 h or 24 h |
| Clock | Clock with date and alarm function |
| Station power supply | 3 AAA batteries of 1.5 V |
| Sensor power supply | 2 AA batteries of 1.5 V |
| Main unit dimensions | Approximately 140 × 90 × 25 mm |
| Sensor dimensions | Approximately 65 × 25 × 110 mm |
| Total weight | Approximately 380 g (without batteries) |
| Care and cleaning | Wipe the device with a soft, dry cloth; do not use abrasive products |
| Safety | Do not expose to water, heat sources or strong shocks |
| Spare parts and repairability | Replaceable outdoor sensor; for any malfunction, contact customer service |
Frequently Asked Questions - WMR 90A OREGON SCIENTIFIC
How do I install the outdoor sensor for the WMR 90A station?
Place the sensor outdoors, sheltered from direct sunlight and bad weather. Attach it to a support or wall using the provided holder, within 30 m of the station. Make sure the batteries are properly installed before closing the casing.
What does the low battery icon on the display mean?
This icon indicates that the batteries in the device concerned are worn out. Replace the batteries in the station or sensor with new ones of the same type. After replacement, the measurements are refreshed after a few minutes.
How do I synchronize the outdoor sensor with the WMR 90A station?
Insert the batteries into the sensor, then into the station. Synchronization is performed automatically within 5 minutes. If the connection fails, remove the batteries from both devices, wait 10 seconds and try again.
What is the maximum range of the wireless sensor?
The stated range is approximately 30 meters in open field. Thick walls, electrical appliances and metal structures can reduce this distance. If signal loss occurs, move the sensor closer to the station.
How do I change the temperature display between Celsius and Fahrenheit?
Most Oregon Scientific stations allow you to switch using the °C/°F button or from the settings menu. Hold the corresponding button for 2 seconds to activate the unit change.
How do I maintain the weather station so it remains accurate?
Clean the casing regularly with a soft, dry cloth. Check the batteries every 6 months and remove them if the device remains unused for a long time. Avoid direct exposure to sunlight and excessive humidity.
What should I do if the screen no longer responds or displays fixed values?
This is often due to weak batteries or electromagnetic interference. Remove the batteries, wait a few minutes, then reinsert them. If the problem persists, perform a full reset of the station.
How do I reset the WMR 90A station to factory settings?
Open the battery compartment and locate the RESET button. Press it with a pointed object and hold for 3 seconds. The station then restarts with the default settings.
Why do the displayed weather forecasts differ from official weather reports?
The weather station calculates a local forecast based on atmospheric pressure and its changes. It does not replace national weather services. Place the station in a stable location away from disturbances to improve reliability.
Is the atmospheric pressure measured directly by the station?
Yes, the WMR 90A station measures relative and absolute pressure in hPa. The relative pressure is corrected for sea level. Consult the manual to set the altitude of your installation location.
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USER MANUAL WMR 90A OREGON SCIENTIFIC
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Product information
Brand : OREGON SCIENTIFIC
Model : WMR 90A
Category : Weather Station