Current clamp meter Dimensions L x W x H: 28 x 56 x 188 mm Calibration: Calibration Digits: 6000 Electrical supply: 2 x LR03/AAA Measuring function: Continuity tester / Diode tester / Hold / Min./max. value Safety to EN61010: CAT III 600 V / CAT IV 300 V Type of measurement: RMS AAC max.: 400 AAC Max. conductor ?: 27 mm VAC max.: 600 VAC VDC max.: 600 VDC Ohm max.: 6 kOhm(ISO CALIBRATED)