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ETCR9300B Low Voltage Current Transformation Ratio Tester
ETCR9300B Low Voltage Current Transformation Ratio Tester

Low Voltage Current Transformation Ratio Tester 1.380V/220V Current transformer 2.CT1:0.00mA~1000A 3.CT2:0.00mA~10A

ETCR9300B Low Voltage Current Transformation Ratio Tester

 

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. Introduction

ETCR9300B 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)

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: 75mm×170mm×30mm

Primary current clamp: 40×138×20mm

Secondary current clamp: 115×70×33mm

Clamp Size

Primary current clamp: 80×80mm; Secondary current clamp: 25×30mm

Measurement Range

Primary current clamp: 0.00mA-1000A;

Secondary current clamp: 0.00mA-10A

Resolution

Primary current clamp: 0.01mA; Secondary current clamp: 0.01mA

Transformation Ratio

1:10 million (1.0K7)

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 HOLDkey 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

1200g

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; Battery (alkaline dry battery AAA): 4PCS

. Field Application

ETCR9300B Low Voltage Current Transformation Ratio Tester

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