PRODUCT: 1 Element AC Multi-parameter Digital Transducer 1. Series: CE-AJ12-1----- 1 element, RS-485 interface, treble-isolated CE-AJ12-2------1 element, RS-232C interface, treble-isolated 2.Specifications: Input (measuring range) ------ AC 45-65Hz, voltage: 110V, 220V, 380V and 500V(or specially supply to meet user's other special requirement), current: 1A, 5A, 15A, 25A (or specially supply to meet user's other special requirement) Data output------RMS of voltage V, RMS of current I, frequency F, active power P, reactive power Q, power factor cosF, active energy, and reactive energy. Output interface------RS-485: 2-wire connection, communication distance: 1200m, ?5KV ESD protection. RS-232C: S3 case style connects to special RS485/RS232C converter. Accuracy grade------ frequency 0.05 Hz. Voltage, current, power factor, active power, reactive power, active energy, reactive energy: 0.5% grade. (Accuracy and linearity are ignored when the voltage is below 5%.) Baudrate------ 1200, 2400, 4800, 9600, 19.2K bps Refreshing period------ 250mS Isolation voltage------ 2500V DC System power consumption------ <200 mw (+12V) Power source------ +5V, +12V, +15V, +24V, +48V DC (please specify any one of the five options in you order) Operation temperature------ 0癈 ~50癈 Storage condition------ -20癈 ~+80癈 (RH: 5%~95% no dew) Case style------- S3(Window :F6.5 ), N ( no window) The address and baudrate of the transducer can be modified by use of software.