ME201R Ultrasonic Water Tank Wireless Level Monitor WiFi + RF433MHz Gateway / App Remote

The Ultrasonic Water Tank Wireless Level Monitor with WiFi + RF433MHz Gateway  is a smart and reliable system for tracking the level of water or oil in tanks. Using advanced ultrasonic sensing technology, it measures liquid depth with high precision and transmits the data wirelessly via RF433MHz to the gateway, which then connects to your WiFi network for cloud access.

With a measuring range of 0.1 to 4.0 meters and accuracy of ±0.02m, this system ensures consistent and accurate readings. The sensor is Adapter powered, IP65-rated for outdoor protection, and suitable for all weather conditions. You can view real-time levels, set alerts, and monitor multiple tanks remotely through the SmarWish app.

It’s the perfect solution for smart homes, farms, industrial facilities, and water management systems seeking convenience, efficiency, and automation.

Specifications

Ultrasonic Water Tank Wireless Level Monitor 

Application: Water and Oil Tank Monitoring
Measuring Range: 0.1m – 4.0m
Accuracy: ±0.02m
Network Mode: 2.4GHz WiFi + RF433MHz
WiFi Range: Up to 50m (no obstacles) between gateway and router
RF433MHz Range: Up to 500m (no obstacles) between sensor and gateway
Gateway Power Input: DC 5V 1A
Operating Temperature: -20°C to 70°C
Protection Level: IP65 (waterproof and dustproof)
Power Supply: Adapter for sensor
Supported Systems: Android, iOS, and Remote Control
Compatible Apps: SmarWish 

Product Installation

1. In the center of the tank, paste 3M installation mark.

2. Drill a hole right in the middle of the label with a diameter of 55mm;
3. Place the sensor over the hole, keeping it centered and the probe unobstructed;
4. Fasten the sensor with a self-tapping screw.