Digital readout for voltage and current, eps 1850sd [single] is produced by microtek instruments. Microtek instruments are the distributors and manufacturers representative of test and measurement instruments, calibration instruments, emi-emc instruments and high voltage testing instruments. The product is a led operated digital readout for voltage and current. The product is known for reverse polarity protection with adjustable current limit. Digital readout for voltage and current requires constant or constant current operations. The unique features of the digital readout for voltage and current: