● Auto range
● MAX/MIN/REL mode
● Auto power off (UT61A/B/C/D)
● LCD backlight (UT61A/B/C/D)
● RS-232 and USB interface (UT61B/C/D/E)
● Analog bar graph
● NCV (UT61A)
● Low battery indication
● True RMS (UT61D/E)
● EF (Electric Field) detection (UT61A)
● Transistor measurement (UT61A)
● Peak value/hold (UT61E)
● K-type temperature probe (UT61B/C)
● Diode/continuity buzzer
● Data hold
● Input protection
