Profile: R&B Instruments Inc. is a supplier of flow meters, level meters, pressure transmitters, and test instrumentation products. Our products include battery supply energy (heat) meters, open channel flow meters, electromagnetic flow meters, electromagnetic converters, and mass flow meters. We also offer ultrasonic level meters, pressure transmitters, ultrasonic thickness gauges, and ultrasonic flaw detectors. Ultrasonic level meter utilizes sound waves to measure liquid & solid levels. Ultrasonic level meters are light weight, compact, versatile, and easy to operate. This level meter is designed with integrative ultrasonic wave sensor and electronic unit. The level meter is installed on the top of the container. Under the control of the electronic unit, the sensor launches a bunch of ultrasonic pulses to the things to be tested.