It isa range of hand held, single and three phase portable working standards, ideal for on site testing. Either direct current connection or current clamp connection is possible. The set includes scanning head, 100A CTs and is complete with carrying case. 3 units available: 0.1%, 0.2%, 0.5%. * Display of: Voltage, Current, Phase angles, Active Power, Reactive Power, Frequency, Power Factor, Vector diagram, oscilloscope function & percentage error with 4 digits, sign and decimal point. * Circuit type: 3 phase 4 wire, 3 phase 3 wire, 1 phase 2 wire, others on request. * General: Frequency range 45 to 65 Hz Phase angle 0° to 360 ° Mains input 85V to 265V ac or 4.5V to 5.75V dc via rechargeble battery (included) *Input Range: 3 x Voltage, from 5 to 450V LN 3 x Current, to 10A direct and 100A via current clamps * Accuracy Range:0.1% direct connected 0.2% direct connected 0.5% direct connected * Pulse Input:1 Main scanning head input is available * Pulse Output: 1 Main impulse output * Alphanumeric keyboard for inputting data such as meter constant serial number etc. and selection of manual or cyclic (automatic) testing. * A built in memory for the storing of results and displays exist. A RS232 connector exists for data transfer. Optional PC software exists for PC controlled testing. * Large display screen for the display.* Analogue connections to the device under test (e.g. energy meter) are made using banana plugs and/or safety connectors * Enviromental Conditions: Operation Temperature: 0...40 °C. Humidity 75 ...95% *Case: Plastic housing with protective cover all housed in a elegant carrying case. Weight less than 2kg and less than 4.5kg for carrying case.