Delavan Process Instrumentation manufactures products including solid and liquid point level and continues level measurement. Delavan is a well-established company with a large customer base in a wide range of industries. Technologies include ultrasonic, capacitance and microwave all of which compliment and integrate with the L & J product offering. Omnitrol manufactures Mechanical Level Controls for a broad range of applications. Mechanical measurement controls have been employed for level applications since the early 1900's. They are time proven, reliable technique, easy to install and repeatable each and every time.