The TDC-2001 is a Digital Tap Position Indicator (TPI) made by Pradeep Sales & Service, used to remotely show the operating tap number on power transformers, featuring a 2-digit LED display, flush mounting, and capable of handling up to 70 positions with options for 4-20mA output, RS485 Modbus, and various resistive inputs (10W-1kΩ/step), running on 90-270V AC/DC auxiliary power.
