Compact Digital Depth Indicator is designed in solid state electronics and used for continuous display of the depth of liquid in a tank. Digital Depth Indicator is used for measurement of depth in16 steps. The Depth Indicator is offered with a digital display that is made by two seven segment red light emitting diode digits in sizes 2.8 inches or 4 inches. Compact Digital Depth Indicator comes in two models such as JP1 and JP2.