Specifications Line regulation: ≤10mV Load regulation: ≤10mV Ripple & noise: ≤1mV Display accuracy: Voltmeter±(0.5%Rdg+2digits) (CL153, CL303) Ammeter ±(1.0%Rdg+2digits) (CL153, CL303) ≤2.5% (CM153, CM303) Input voltage: 110~127VAC±10% 60Hz or 220~240±10% 50Hz |