Sbem pvt ltd offers the 104 hit, which consists of two probes and one loop powered transmitter for loss of head measurement. It utilizes sbems proven capacitance probes with low power microprocessor based electronics. It is reliable, quick and easy to install. No calibration is necessary, only zero and span to be adjusted. It displays differential [0100%] std and scaling [0-9999 mm/cm]. Customer need not provide still wells. It has on-line diagnostics inbuilt. Alarms are optionally available. It finds application in differential level measurement [loss of head] for water in filter beds for water treatment plants.