Benning CM 5-1 True RMS digital current clamp multimeter. Digital display. 4-digit LCD display (9999 dots). With screen backlight. Current measuring range/DC 0.9 A - 600 A. Current measuring range/AC 0.9 A - 600 A. DC/AC current type. True RMS measurement (TRMS) yes Voltage measurement/AC 1.3 V - 750 V. Voltage measurement/DC 0.7 V - 1000 V. Resistance measurement range 1 Ohm - 10000 Ohm. Frequency measurement 1 Hz - 400 Hz. Frequency measurement yes. Continuity test/diode test. Automatic measuring range selection. Automatic switch-off. Automatic low battery indicator. Safe and simple operation. Automatic measuring function and measuring range setting. No incorrect measurements due to incorrect measuring range selection. Fast response time due to 5 samples per second. Voltage measurement with low input impedance (LoZi). Good grip due to rubberised housing shells. Instantaneous value memory Hold. Clamp opening 35 mm. Measuring circuit category Cat IV. Max. Max. voltage measuring circuit category 600 V. Measuring circuit category Cat III. Voltage measuring circuit category 1000 V. Includes case, 9 V block LR61 battery, test leads.