... : CBM dedicated wellhead, cable junction box, water tank, smart control unit, A frequency control unit, B water quality control ... saved thru RS232 or 485 port on computer.(3)Smart control production rate according to various well.(4) ... LCD: Voltage, Amps, Frequency, Downhole fluid level, Downhole temperature, Wellhead temperature, Fluid production rate, Accumulative fluid volume, CBM production rate, ...