Active clamp style current probe has dual sensitivity ranges, 1 V/A and 100 mV/A for current measurements up to 4 A or 40 A, respectively. Bandwidth in both ranges up to 1. 5 MHz. Powered by 9 V battery or included AC power adapter (CT3957-#). Model CP6990-EU includes AC power adapter with European style plugs. Features:. Compact stylish body. Dual sensitivity ranges. 1. 5 MHz bandwidth (-3 dB). Over-range indicator. Accessories: Insulated BNC Cable, BNC to Banana Plugs Adapter, AC Power Adapter, and Instruction Manual. The series is marketed under the time-honored Elditest brand name in both North America and the European Union. Active clamp style current probes extend the functionality of your oscilloscope. Model CP6990 has dual sensitivity ranges, 1 V/A and 100 mV/A for current measurements up to 4 A or 40 A, respectively. Bandwidth in both ranges up to 1. 5 MHz. Powered by 9 V battery (not included) or AC power adapter (included). Select either product modifier EU for European style power adapter (CT3957-EU) or NA for North American style power adapter (CT3957-NA). Features:. Compact stylish body. Dual sensitivity ranges. 1. 5 MHz bandwidth (-3 dB). Over-range indicator. Kit contains: Current probe. Insulated BNC Cable. BNC to Banana Plugs Adapter. AC Power Adapter. User Manual. The series is marketed under the time-honored Elditest brand name in both North America and the European Union.