ME202W 5M Wireless WiFi Ultrasonic Liquid Level Monitor User Manual

Introduction

The MORAYELEC ME202W tank level monitor is an advanced device designed for accurate and remote monitoring of liquid levels in various containers, including underground water tanks and those in complex environments. This Wi-Fi enabled ultrasonic sensor provides real-time data, allowing users to monitor liquid levels from anywhere using a smartphone or computer. It eliminates the need for manual inspections, saving time and effort, and is suitable for applications in farms, manufacturing plants, and households.

Figure 1: ME202W sensor setup with mobile application interface showing liquid level monitoring.

Product Features

• Long Measuring Distance: Capable of measuring distances from 10cm to 5m (4 to 157 inches) from the sensor, accommodating various tank sizes.
• Remote Monitoring: Check tank levels remotely via smartphone, eliminating the need for frequent physical inspections.
• Alerts: Receive automatic message alerts for full or low liquid levels, with customizable alarm thresholds via the app.
• Multi-Tank Monitoring: One application can monitor up to 10 sensors, allowing for easy management of multiple tanks.
• Robust Design: IP65 waterproof rating, suitable for most weather conditions with an operating temperature range of -20℃ to +70℃.
• Certifications: CE, RoHS, and Reach certified for safety and reliability.

Figure 2: Key product features including wide coverage and app integration.

Setup Guide

1. Unboxing and Components

Before beginning installation, ensure all components are present in the package. The ME202W package typically includes:

• ME202W Sensor Unit
• Liquid Level Rod (probe)
• US Power Adapter (Input: 100-240V AC, Output: 5V DC)
• Mounting Screws
• Instruction Manual

Figure 3: Included components of the ME202W Liquid Level Monitor.

2. Sensor Installation

The sensor is designed for easy installation. It should be mounted on top of the tank. A nut is provided for secure installation. Ensure the liquid level rod extends vertically into the tank without obstruction.

• Identify a suitable mounting point on the top of your tank.
• Secure the ME202W sensor unit using the provided nut, ensuring a stable and level placement.
• Carefully insert the liquid level rod into the tank, ensuring it hangs freely and vertically to measure the liquid level accurately.

Figure 4: ME202W is suitable for various tank scenarios, including those with floating balls, underground tanks, and high humidity.

3. Power Connection

Connect the provided 5V DC power adapter to the sensor unit and plug it into a standard 100-240V AC power outlet.

4. Wi-Fi Connection

The sensor requires a 2.4G Wi-Fi signal to operate. Ensure your Wi-Fi router is within range (approximately 30m without obstacles) of the sensor. Follow the instructions in the Smartlife APP to connect the device to your home network.

• Download the "Smartlife" or "Tuya Smart" application from your smartphone's app store.
• Register or log in to your account.
• Add a new device within the app, selecting the appropriate sensor type.
• Follow the on-screen prompts to connect the sensor to your 2.4GHz Wi-Fi network.

Operating Instructions

1. Remote Monitoring via App

Once connected to Wi-Fi, you can monitor your tank's liquid level from anywhere using the Smartlife APP. The app displays the liquid level ratio, depth, and status in real-time.

Figure 5: Smartlife APP interface displaying normal, low, and full liquid level alerts.

2. Setting Alerts

The app allows you to set custom thresholds for full and low-level alerts. When the liquid level reaches these thresholds, you will receive message notifications on your smartphone.

• Navigate to the device settings within the Smartlife APP.
• Locate the "Alarm Level" or "Notification Settings" option.
• Set your desired percentage or depth for low and full level alerts.
• Ensure notifications are enabled on your smartphone for the Smartlife APP.

3. Multi-Tank Monitoring

The Smartlife APP supports monitoring of up to 10 ME202W sensors simultaneously. This feature is ideal for managing multiple tanks from a single interface.

Figure 6: The ME202W system supports monitoring of multiple tanks from a single application.

Maintenance

The MORAYELEC ME202W Liquid Level Monitor is designed for minimal maintenance. Its IP65 waterproof rating ensures durability in various environmental conditions. Periodically, it is recommended to:

• Clean the Sensor: Gently wipe the exterior of the sensor unit and the liquid level rod with a soft, damp cloth to remove any dust or debris that may accumulate. Do not use harsh chemicals.
• Check Connections: Ensure all power and sensor cable connections remain secure and free from damage.
• Software Updates: Keep the Smartlife APP updated to the latest version to ensure optimal performance and access to new features.

Troubleshooting

If you encounter issues with your ME202W Liquid Level Monitor, please refer to the following common troubleshooting steps:

• No Reading/Incorrect Reading:
  • Ensure the sensor is properly installed and the liquid level rod is submerged correctly without obstructions.
  • Check the power connection to the sensor unit.
  • Verify that the sensor is within range of your 2.4G Wi-Fi network.
  • Restart the sensor by unplugging and re-plugging the power adapter.
• App Connectivity Issues:
  • Confirm your smartphone has an active internet connection.
  • Ensure the Smartlife APP is updated to the latest version.
  • Check if your Wi-Fi router is functioning correctly and broadcasting a 2.4GHz signal.
  • Try re-pairing the device with the app if the issue persists.
• Alerts Not Received:
  • Verify that alert thresholds are correctly set in the Smartlife APP.
  • Check your smartphone's notification settings to ensure the Smartlife APP is allowed to send notifications.
  • Ensure the sensor has a stable Wi-Fi connection.

If these steps do not resolve the issue, please contact MORAYELEC customer support for further assistance.

Specifications

Figure 7: Dimensions of the ME202W sensor unit.

Warranty and Support

Warranty Information

MORAYELEC provides a 1-year warranty for the ME202W Liquid Level Monitor. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.

Customer Support

For technical assistance, troubleshooting, or warranty inquiries, please contact MORAYELEC customer support. Refer to the contact information provided in your product packaging or visit the official MORAYELEC website for the most up-to-date support details.

MORAYELEC has over 20 years of experience in providing liquid detection solutions, ensuring reliable products and support.