This AC/DC Clamp Meter & Multimeter has a 10mmjaw opening capacity The Sealey TA305 AC/DC Clamp Meter & Multimeter is ideal for measuring current draw from vehicle components in situ. Designed for the automotive electrician and conforms to EN61010 CAT III 600V. Features: Designed for the automotive electrician and conforms to EN61010 CAT III 600V Ideal for measuring current draw from vehicle components in situ Features 12mm clamp Supplied in pouch Specification:  Tach (rpm): No  Dwell: No  AC Voltage (Accuracy): 400mV, 4V (±1.2%), 40V, 400V, 600V (±1.5%)  DC Voltage (Accuracy): 400mV (±0.8%), 4V, 40V, 400V, 600V (±1.0%)  AC Current (Accuracy): 40A, 100A (±2.5%)  DC Current (Accuracy): 40A, 100A (±2.5%)  Capacitance: No  Frequency: No  Duty Cycle: No  Pulse Width: No  Resistance: 400? (±1.2%), 4k?, 40k?, 400k? (±1.0%), 4M? (±1.2%), 40M? (±1.5%)  Continuity: