ME201R Ultrasonic Liquid Level Sensor with LED and Temperature Indicator

ME201R Ultrasonic Liquid Level Sensor with LED and Temperature Indicator

The ME201R is an intelligent ultrasonic liquid level sensor featuring an OLED display for precise measurement in water or oil tanks. It supports Tuya and Smart Life applications, enabling remote monitoring via Wi-Fi. The sensor communicates with the gateway using RF433 MHz (range up to 500 m), and the gateway connects to the router via Wi-Fi (range up to 50 m). The device is water-resistant with an IP65 rating and operates in a temperature range of -20°C to 70°C.

Specifications:

• Model: ME201R

• Measuring Range: 0.1 m – 4.0 m

• Accuracy: ±0.02 m

• Power Supply: DC 5V / 1A (adapter 100–240V AC)

• Communication: RF433 MHz (sensor–gateway), Wi-Fi 2.4 GHz (gateway–router)

• Display: OLED

• App Support: Tuya, Smart Life

• Protection Level: IP65

• Operating Temperature: -20°C to 70°C

• Dimensions: 18 × 11 × 8 cm

• Weight: 0.3 kg

Tuya Ultrasonic Sensor is an outstanding technology that boasts numerous advantages for various applications.

Its reliable distance detection capability, easy installation and use, high durability, versatility, and low maintenance costs
make it an incredible value addition to any project.

This sensor is, without a doubt, a revolutionary advantage that sets it apart from other sensors.

Product Connection
1. Power on the AC/DC ADAPTOR first, and then power on the sensor.
2. Scan code to download “TUYA Smart APP" or “Smart Life APP" on mobile device.
3. Network Reset
Press and hold the button for 5s, the led light flashes rapidly, then release the button, the network reset, the device
connect to the network automatically.
4. Connecting Sensors to APP.
Turn on the WiFi and Bluetooth of your phone,enter the app and add device.

Settings

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.

Multi-Tank Monitoring