6600 counts LCD display In-rush current function measures starting current for motors, lighting, etc True RMS AC measurement Clamp on frequency measurement Data hold, Max/Min value measurement Clamp light and LCD backlit Auto/manual range, auto power off Safety as per IEC1010-1 CAT.III 600V Technical specifications DCV: 660m/6.6/66/600V, ±0.8% ACV: 660m/6.6/66/600V, ±1.2% DCA /ACA: 66/600A, ±3.0% Inrush (100ms): 66A/600A, ±10% OHM: 660/6.6k/66k/660k/6.6M/66MΩ, ±1.2% CAP: 6.6μ/66μ/660μ/6.6m/66mF, ±4.0% FREQ: 0 ~10kHz, ±1.5% (from test leads) FREQ: 0 ~1kHz, ±1.5% (from clamp head) Duty cycle: 10% ~ 90%, ±3.0% Audible continuity & diode test Clamp size: 26mm (max.) Battery: 1.5Vx3, AAA size Dimensions & weight: 208x78x35mm, 340g Accessories: carrying bag