Modular Weather Monitoring and Data Storage StationsData Logger, RS232, With Indoor Enclosure
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- Desktop, NEMA, and Portable Models
- 8 Analog and 3 Digital Channel Inputs
- Resolution: 12-Bit A/D Converter on 4 Channels, 10-Bit on Other Channels
- Adjustable Logging Interval 10 to 60,000 Seconds
- 16 Character x 2 Line Backlit LCD Screen Display
- Real-Time Clock is Used to Time-Stamp each Measurement, Battery Backed, and Accurate to Within 10 Minutes Per Year
- Serial Port: RS232 9-Pin Connector, Selectable Baud Rate, Real-Time Data Output to PC (Using Hyperterminal or Optional Graphic Software)
- 2GB SD Memory Card and USB Card Reader Included
WMS-25 Model OptionsView all models
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The standard sensor package (WMS-25 and WMS-25-NEMA) includes 6 weather parameters: wind speed and direction, temperature and relative humidity, barometric pressure, and precipitation (additional optional sensors can be added), a 1.5 m (5') tripod and vertical mast for sensor mounting, and a data logger with LCD display.
No computer is required for setup and viewing data. A simple menu interface using the LCD display and three front panel buttons makes setup easy. Data is recorded directly to a Secure Digital (SD™) card, providing convenient data downloads and storage for many months of data. The data logger is compatible with standard SD cards up to 2GB. Logging at 1 minute intervals, a 2GB card will store over 5 years of data. A new file is created and saved to the card each day.
Using the recorded data is simple. The SD card is inserted into a card reader attached to the USB port on your computer (Windows, Macintosh, and Linux) and will then show up as a drive. To view and graph the data, click on the file corresponding to the day of interest. Microsoft Excel, OpenOffice.org, or any spreadsheet program can be used to view, graph, and analyze your data.
Power: 10 to 30 Vdc at 20 mA
Display: 16 characters x 2 line backlit LCD
Logging Interval: Programmable 10 to 60,000 seconds
Range: 0 to 125 mph (0 to 57 m/s)
Resolution: > 0.1 mph
Accuracy: ± 1 mph
Starting Threshold: 0.8 mph
Time Constant: 2 seconds
Range: 0 to 360°
Resolution: > 1%
Starting Threshold: Standard 1.2 mph
Range: -26 to 70°C (-15 to 158°F)
Resolution: > 0.1° F
Accuracy: ±0.5°C (±1°F) typical
Response Time: 50 seconds
Range: 3% to 100% non-condensing
Accuracy: ±3% typical
Response Time: 25 seconds
Range: 500 to 1100 mb (14.7 to 32.5 inHg)
Operating Temperature: -40 to 60°C (-40 to 140°F)
Resolution: ±0.3 mb or ±0.01 inHg
Altitude Offset (For Sea Level Correction): User adjustable in logger
Resolution: 0.01"/tip 8" diameter (20.5 cm) collector meets NWS specifications
Switch: Dry reed switch Output: < 0.1 sec switch closure
Accuracy: ±2% at < 2" per hour
Note: For weight and dimensions, see operator’s manual at omega.