Voltage and Current Protection Upgrades for UNI-T UT61E : 11 Steps (with Pictures) - Instructables
UNI-T Digital Multimeter UT61E Plus UT61E+ 22000 Counts True RMS 1000V AC DC USB Transmission NCV Voltage AC/DC Current Resistance Capacitance Frequency Duty Cycle Bandwidth hFE Peak Hold : Amazon.ca: Tools &
UNI-T UT61E Digital Multimeter True RMS Peak Meter PC Connect AC DC Voltage Relative Mode 22000 Counts Data Hold Auto Range: Amazon.com: Tools & Home Improvement