UNI-T UT61+ series are reliable true RMS digital Multi-function Multimeters with display counts 6000 (UT61B+/D+) and 22, 000 (UT61E+). It can measure up to 1000V AC/DC. Equipped with audible and visible alarm, this series can provide warning expecially when measuring high voltage/current and temperature.. * True RMS * Data hold/backlight * Max/Min/Relative mode * USB communication. * Input protection * Diode/continuity test * NCV (audible/visual alarm)