ETCR9300 Low Voltage Current Transformation Ratio Tester Introduction& 65306; ETCR9300 Low Voltage Current Transformation Ratio Tester can widely applied in 380V/220V electric power system, for conveniently and fast online measurement of current transformer in measurement devices, and measurement of current and leakage current in 380V/220V electric power system. Without power cut, it can also accurately measure the current transformation ratio, ratio difference, angle difference, phase, polar. Provide operators with a safe, accurate and convenient tester. Its application will bring remarkable economic and social benefits in power supply management for electric power enterprise.  Technical Specification& 65306;           Function     Measurement of current, transformation ratio, ratio difference, angle difference, phase, polar of primary/secondary circuit of low voltage current transformation.           Power Supply     DC6V alkaline dry battery (1.5V AAA*4)(not included package)           Test Mode     ClampCT           Display Mode     LCD: 128dots*64dots; Blue screen, backlight, suitable for dark places           LCD Size     Display area: 44mm*27mm           Dimension     Width * Height* Thickness: Main tester: 75*170*30mm Primary current clamp: 122*70*33mm Secondary current clamp: 115*70*33mm           Clamp Size     Primary current clamp: 35*40mm; Secondary current clamp: 25*30mm           Measurement Range      Primary current clamp: 0.00mA-200A; Secondary current clamp: 0.00mA-5A           Resolution     Primary current clamp: 0.01mA; Secondary current clamp: 0.01mA           Transformation Ratio     1:2 million (1.0K6)           Measuring Accuracy of the Primary Circuit     ±1%±3dgt (23°c±3°c, below 80%RH)           Measuring Accuracy of the Secondary Circuit     ±0.5%±3dgt (23°c±3°c, below 70%RH)           Sample Rate      2 times/second           Gear Shift      Automatic shift           Data Storage     3000 sets, press HOLD key, the data will be stored automatically with serial numbers (The data won’t be lost in case of lost power or replace battery)           Circuit Voltage     Below AC 600V           Data Hold     Press HOLD key, HOLDsymbol appears, press HOLD again to cancel.           Data Read     Press HOLD key and POWER key to access data reading.