UT61AB Modern Digital Multimeters UT61B complies with CE, ETL, and GS standards. This series has an abundant of features, combined with high safety rating of C AT IV 600 V. It is suitable for both beginners and advanced electronics, and electrical users. ● 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