Digital Multimeter ZT 301/302/303 - True RMS Auto Range with Capacitor, Temperature, NCV, Ohm ,Convenient to Operate

True RMS Precision Measurement:True RMS technology ensures 1.2% error for non-sinusoidal signals, suitable for motors and inverters, applicable to ZT 301/302/303 series. Auto Range Function:Automatically identifies and matches optimal range for voltage (0-1000V), current (0-10A) without manual adjustment, response time 0.3s, user-friendly for beginners. Comprehensive Parameter Testing:Measures capacitor (0-100mF), temperature (-40-1000), NCV, resistance, frequency (1Hz-10MHz), suitable for home appliance repair and industrial testing. Smart Safety Design:Meets CAT III 1000V standards with overload protection and surge suppression; ZT 303 has an extra high-temperature probe for high-temperature equipment testing. Clear Display & Long Battery Life:3.0-inch backlit LCD updates 2x/sec, 9V battery lasts 200 hours with low-power chip, ideal for outdoor operations.