Compact Digital Process Indicator provides 24VDC for loop powering / 4-20mA output and comes with a seven segment display. Wavetek Electronics supplies Compact Digital Process Indicator. Wavetek Electronics is the manufacturer of Electronic Process Control Instruments like Data Logger, Indicator, Relay Controller, Flow meter and Digital process equipments. The Compact Digital Process Indicator of model number 9005 requires a power supply of 230-240 VAC, 50 - 60 Hz, 5VA for operation and is available in simple and economic design.