1. Ultrasonic Liquid Level Sensor ToughSonic-50 Product Description:
The max distance of the ToughSonic 50 ultrasonic sensor is 50 feet (15.2 meters). Like all tough sensors, they are durable and easy to use in harsh industrial environments. ToughSonic 50s can be fully immersed, corrosion resistant, impact resistant and tough. They can also be fully configured with SenixVIEW software.
ToughSonic 50s can be used in three different housings, each with RS-232 or RS-485 serial interfaces. These 9-wire sensors allow up to six simultaneous serial, analog and/or switching outputs. These workhorse sensors are used around the world in remote level applications and harsh factory environments.

2. USA SENIX Ultrasonic Liquid Level Sensor ToughSonic-50Features and advantages:
Max range 15.2 metersNot affected by optical factors
IP68 protection
Quick installation
Sensitivity adjustable
Eliminate PLC, delay circuits and delay relays

3. American SENIX Ultrasonic Liquid Level Sensor ToughSonic-50Application:
Level or height detection
Remote liquid level detection
Distance-Proximity Detection
target detection
Factory Automation Applications