Models : EM-08 (1A / 5A / 20A), EM-08S (1A / 5A), EM-08D (1A / 5A) Features : 10 Parameters on 10 Display Pages Measures V, A, PF, Hz,KW, KVA, KVAr, KWh, KVAh and KVArh Auto / Manual Scroll Display (User Selectable) Reduce Panel Space & Wiring Time Portable Type, Desk Top Case with Tilt Stand for EM-08D State of the Art Microcontroller Design TRMS Measurment Ideal for Testing of Electrical Appliances User Programmable CT Ratio (1.00 - 99.99) for  (1A/5A) LCD Display with Backlight (20mm Digit Height)  RS 485 Port (5KV Isolated) MODBUS RTU Protocol & POWER MASTER Software (Optional) for EM-08S (1A/5A), EM-08 (20A)    SMPS Power Supply (85-265 V AC/DC) for EM-08S (1A/5A), EM-08 (20A)  Auxillary Power Supply (230 V AC) for EM-08 (1A/5A), EM-08D   Application Appliance Testing Energy Audit Testing Quality Check Studying Energy Efficiency of Electrical Equiptment Building Management System Power Management Generator / Motor Characteristics Plant Maintenance Ordeing Information Model, Input Voltage, Input Current (1A or 5A or 20A any one only) and RS485 Port (Optional)