ETCR9300 Low Voltage Current Transformation Ratio Tester

Introduction：

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：

          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.

          Overflow Display

    "OL”symbol appears

          Automatic Power Off

    Automaticallypower off about 15 minutes after power on to reduce battery consumption

          Battery Voltage

    Low battery symbol     appears to remind the replacement of battery when the battery voltage drops below 4.8V.

          Weight

    1000g

          External Interference

    No strong electric and magnetic interference

          Working Temperature & Humidity

    -25°c-45°c, below 80%Rh

          Length of Lead Wire

    Standard 2m (Can be extended to max 50m according to practical situation.)

          Insulation strength 

    AC 3700V/rms (between core and shell)

          Accessories

    Main tester: 1PC; Primary current clamp: 1PC; Secondary current clamp: 1PC; Meter box: 1PC;