ECOWITT WS90 Manual
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ECOWITT WS90 Manual

7-in-1 weather sensor
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7-in-1 Weather Sensor
Model: WS90
https://s.ecowitt.com/MP7YJJ

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Summary of Contents for ECOWITT WS90

  • Page 1 7-in-1 Weather Sensor Model: WS90 https://s.ecowitt.com/MP7YJJ...

  • Page 2: Table Of Contents

    3.6.1 Note for Southern Hemisphere Installation: ............ 12 3.6.2 Before mount ........12 3.6.3 Extension cable(sold separately) introduction ............12 3.6.4 Pole Attachment ........13 3.6.5 Correctly Align the WS90 Sensor ..15 3.6.6 Final Steps ..........16 4. Features ..............17 5. Specifications .............17...
  • Page 3 6. Calibration and Maintenance ........20 6.1 About daily rain deviation ....... 20 6.2 How to calibrate WS90 ........21 6.2.1 A certain parameter Calibration ....21 6.2.2 Rain Sensor Calibration ......23 6.3 Wind Speed 0 Calibration........25 6.4 Managing LED Flashing ......... 26 7.

  • Page 4: Introduction

    Ecowitt Wi-Fi Gateway or displayed on a receiver console (sold separately). Once the Wi-Fi configuration is complete, the data can be viewed on the Ecowitt app or on the receiver console. To ensure optimal product performance, please read this...
  • Page 5 manual carefully and keep it for future reference. General Terms Used in the Manual: Gateway: Also known as a hub, it is a display-less console Receiver: Refers to the console. RF: Radio frequency. It refers to the ISM and SRD SubG (Industrial, Scientific and Medical and Short-Range Devices frequency bands below 1 GHz) for communicating between the console and its sensors.

  • Page 6: Instructions For Use

    2. Instructions for Use 2.1 Part List 1 x WS90 Weather Sensor 1 x User Manual 2.2 Size Figure 2...

  • Page 7: Over View

    2.3 Over view Figure 3 Sensor package assembly components Figure 4 Cal button & Reset button...

  • Page 8: Optional Accessories(Sold Separately)

    The Detachable Metal Bird Spikes Set for Rain Gauge is designed to discourage birds from landing on the sensor. Table 1 3. Configuration and Mount 3.1 Preparations 1. Open the package. 2. Preparing the receiver (gateway or console) to pair with the WS90.

  • Page 9: Power Up

    3.2 Power up Battery Usage Warning Correct Battery Ensure the battery is inserted with Installation the correct polarity. The system requires initial power from this backup battery to start up before the solar panel charges the accumulator and supplies system power. Cold Weather In high-altitude areas during winter, Considerations...
  • Page 10 Use a screwdriver to open the battery compartment and insert 2 AA batteries. The LED on the back of the sensor will light up for 3 seconds and then blink every 8.8 seconds, indicating that the sensor is transmitting data properly.

  • Page 11: Pairing With A Gateway/Console

    3.3 Pairing with a gateway/console 3.3.1 Compatible Gateways/Consoles for WS90 You need to pair this device with the Ecowitt Wi-Fi Gateway or display consoles in order to view data on your Ecowitt app and receive email alerts on our weather server.
  • Page 12 HP2550 √ √ HP2560 √ √ HP3500 √ √ WN1820/ √ × WN1821 WN1900/ √ × WN1910 WN1920/ √ × WN1980 WS3800 √ √ WS3900/W √ √ S3910 WS6210 √ × Table 3 The WN1900/WN1910/WN1920/WN1980 can’t  display the light intensity and UV data(Uploading not affected).

  • Page 13: Configure With Gateway/Console

    Wi-Fi gateway will pick its data automatically. 3.2.3 Replace the old weather sensor If you want to use a new WS90 sensor to replace a old weather sensor (already configured on certain channel), please try the following: 1.Open the Sensor ID page on the Ecowitt app, and find...

  • Page 14: View Online Data On Ecowitt App

    3.4 View Online Data on Ecowitt APP When the Wi-Fi configuration is done, you can view the live data of your weather sensor on the Ecowitt app. 3.5 Before you mount Before mounting the outdoor sensor in a permanent location, you should test the sensor wireless connection in a temporary location, and make sure that the sensor has a good station to show the data on the app or console.

  • Page 15: Final Mount

    3.6.3 Extension cable(sold separately) introduction The WS90 has the extension cable to connect the  waterproof adapt 12V. The extension cord can also power the entire sensor, ...

  • Page 16: Pole Attachment

    Figure 6 3.6.4 Pole Attachment You can attach a pole (not included) to a permanent  structure and then mount the sensor onto it (refer to Figure 7 for guidance). The installation hole is designed to fit a pole with a ...
  • Page 17 Figure 7 Sensor package mounting diagram Vertical Alignment  Ensure the mounting tube for the sensor package is installed upright to maintain proper vertical alignment. Adjust the mounting pipe as needed to achieve this. Leveling the Anemometer ...

  • Page 18: Correctly Align The Ws90 Sensor

    If it is not level, wind direction and speed readings may be inaccurate. Adjust the mounting assembly if necessary. 3.6.5 Correctly Align the WS90 Sensor If you are unsure about the correct direction, locate  the arrow labeled "NORTH" on top of the sensor package’s connector tube.

  • Page 19: Final Steps

    Figure 8 3.6.6 Final Steps Before tightening the bolts, double-check and  correct the north orientation as the final installation step. Tighten the bolts securely, but avoid  over-tightening. Ensure the sensor is firmly fixed to withstand strong winds and rain without moving.

  • Page 20: Features

    • Ultrasonic anemometer (start wind speed 0.5m/s); • Outdoor Temperature and Humidity; • Solar light intensity and UV index; • Waterproof IPX5; • Heater and additional power supply; 5. Specifications Model WS90 Ultrasonic Anemometer with Name Piezoelectric Rain Gauge, Light & UV, Thermo-hygrometer Sensors Dimensions 93*93*208mm...
  • Page 21 Humidity Metering 1%RH to 99%RH Range Humidity Metering ±5%RH Accuracy Humidity Metering 1%RH Resolution Rainfall Metering 0mm to 9999mm range Rainfall Metering ±20%, <5mm/h & >50mm/h; accuracy ±10%, 5mm/h to 50mm/h; Rainfall Metering 0.1mm resolution Wind speed Metering 0m/s to 40m/s range Wind speed Metering ±1m/s, <10m/s;...
  • Page 22 Metering resolution Light Metering range 0Klux to 200Klux Light Metering ±25% accuracy Light Metering 0.1Klux resolution UV Metering range 1 to 15 UV Metering accuracy ±2 UV Metering resolution Data reporting Interval 8.8 seconds RF Connection 920/915/868/433MHz (depending Frequency on local regulations) RF Wireless Range (in Over 150 meters (500 ft.) open areas)

  • Page 23: Calibration And Maintenance

    • The primary power source for the sensor is the solar panel. When available solar power (light over recent period) is insufficient, the batteries will be used. 6. Calibration and Maintenance 6.1 About daily rain deviation Figure 9 Daily rain deviation for WH40 and WS90...

  • Page 24: How To Calibrate Ws90

    The WS90 product suffer from this imperfectness. If you are very demanding on rain data accuracy, we suggest you buy WH40 and use it together with WS90. If there is no precise requirement on data of each rain, then WS90 is just fine: After all the device works well after a longer run time.
  • Page 25 "Calibration". 2. Calculate the offset of data from accurate weather station and ecowitt sensor. 3. Fill in the offset got from step3, click Save. Figure 10...

  • Page 26: Rain Sensor Calibration

    6.2.2 Rain Sensor Calibration The WS90 is equipped with a haptic rain sensor, and the system provides a method for users to calibrate the accuracy of the rain sensor themselves. To perform a proper calibration, please follow these steps: 1. Prepare a Reference Device...
  • Page 27 0.8. For easier handling, you can temporarily set Rain2, Rain3, and Rain5 to 0.8 as well. Only when different rain rates are recorded should you divide the WS90 rainfall value by 0.8 to obtain a 1.0 rainfall value. Then, recalculate (reference value/WS90/0.8) and precisely fill in the corresponding rain gain settings.

  • Page 28: Wind Speed 0 Calibration

    Use a fan to test if the wind speed responds at all angles！ 1. Perform calibration in a windless room. Cover the top and wind speed sensor area of the WS90 with a soft cloth. Hold the CAL button for 3 seconds until the LED ...

  • Page 29: Managing Led Flashing

    6.4 Managing LED Flashing For some, the LED flashing is disturbing. To stop the LED from flashing, press and release  the CAL button three times shortly. To restart the LED light function, press the CAL  button three times again. 7.
  • Page 30 Note: Sensor damage, due to lack of grounding protection against lightning ESD discharge, is not covered by warranty. We disclaim any responsibility for any technical error or printing error or the consequences thereof. All trademarks and patents are recognized. We provide a 2-year limited warranty on this product against manufacturing defects or defects in materials and workmanship.

  • Page 31: Fcc

    8. FCC This device complies with part 15 of the FCC Rules. Operation is subject to the following conditions: (1) this device should not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 32 to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.

  • Page 33: Care And Maintenance

    French: L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : 1. L’appareil ne doit pas produire de brouillage; 2.
  • Page 34 The provided solar panel charges a supper capacitor on this WS90. In normal conditions (solar light intensity over 20klux and lasted longer than 4 hours), the supper capacitor peak voltage displayed on the battery tile from...

  • Page 35: Contact Us

    5.5v. If it is not overpassing 2.5v, please check the top part of your WS90, and make sure it is free from dust coverage. Use a brush to clean up the surface for higher solar charging efficiency. Figure 15 10. Contact Us 10.1 After-sales Service...

  • Page 36: Stay In Touch

    10.2 Stay in Touch Ask questions, watch setup videos, and provide feedback on our social media outlets. Follow Ecowitt on Discord, YouTube, Facebook and Twitter. Patented: US12,181,491B2 This product (WS85, WS80, WS90) is protected by US Patent No.

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