ETCR4700  Large Caliber Three-phase Digital Phase Voltmeter -etcr

ETCR4700 Large Caliber Three-phase Digital Phase Voltmeter

Product Main Function


1. Simultaneous measurement of three AC current, range: 0.0mA~600A

2. Simultaneous measurement of three AC voltage, range: 0.00V~600V

3. Simultaneous measurement of UU, II, UI phase, range: 0.0°~360.0°

4. Measurement frequency, phase sequence, active power, reactive power, apparent power, power factor and other parameters.

5. Judgement of transformer wiring group, inductive, capacitive circuit and maintenance line equipment, etc.

6. Line voltage: below 600V

7. CT Size: Φ8mm

8. Data Storage: 500 groups


         ETCR4700  Large Caliber Three-phase Digital Phase Voltmeter  is a multifunctional, digital and intelligent instrument specially developed by our company for field testing. It has the characteristics of high accuracy, high stability, low power consumption and convenient to use etc. Under the condition of the tested circuit does not open-loop, it can measurement of three-phase AC voltage, current, phase between voltages, phase between current, phase between current and voltage, frequency, phase sequence, active power, reactive power, apparent power, power factor, current vector sum, judge transformer wiring group, sensibility and capacitive circuit, test the secondary circuit and differential bus protection system, read the phase relationship between differential protection between each groups CT, check watt hour meter wiring correctly or not, maintenance line equipment, etc., To provide a safe, accurate and convenient new power meter for electricity inspectors.

         ETCR4700  Large Caliber Three-phase Digital Phase Voltmeter  with shake proof, skid proof, and high insulation sheath. Adopts 240dotsX160dots LCD screen, dynamic display, vector diagram indication, clear and obvious, which shows the exquisite and luxurious appearance. The instrument adopt large caliber current clamp, suitable for testing of thick conductor and large current place.
        ETCR4700  Large Caliber Three-phase Digital Phase Voltmeter  also name intelligent three phase digital phase voltmeter, multifunction three phase digital phase voltmeter and three clamp digital phase voltmeter etc. Suitable for electric power, petrochemical, metallurgy, railway, industrial and mining enterprises, scientific research institutions, measurement departments. It is especially suitable for electric energy billing system and relay protection system.

Function

in the case of the tested circuit is not open-loop, measure two AC voltages (), current, phase between voltages, phase between currents, phase, frequency, phase sequence, active power, reactive power, apparent power, and power factor between voltage and current. Discriminate the transformer wiring group, inductive and capacitive circuits, test the secondary circuit and the busbar protection system, read the phase relationship between the CTs of the differential protection groups, check the wiring of the meter for correctness, and repair the line equipment, etc.

CT Size

35mm×40mm

Power Supply

DC9V alkaline batteries(1.5V AA×6)

Working Current

Max power consumption of open backlight: 80mA, battery power can continues working 8 hours

Meter power consumption of close backlight:50mA,battery power can continues working 12 hours

Display Mode

LCD display, 240dots×160dots

Meter Size

196mm×92mm×54mm

Voltage Range

AC 0.00V~600V

Current Range

AC 0mA~600A

Phase Range

0.0°~360.0°

Frequency Range

45.00Hz~65.00Hz

Active Power Range

0W~240kW

Reactive Power Range

0var~240kvar

Apparent Power Range

0VA~240kVA

Power Factor Range

-1~+1

Current Vector Sum

0A~1800A

Resolution

Voltage:AC 0.01V

Current:AC 0mA

Phase:0.1°

Frequency:0.01Hz

Active power:0.1W

Reactive power:0.1var

Apparent power:0.1VA

Power factor:0.001

Current vector Sum:0.1A

Phase Sequence

Positive phase: U1, U2, U3 or I1, I2, I3 cursors flash from left to right

Invert phase: U1, U2, U3 or I1, I2, I3 cursor flash from right to left

Sampling Rate

About2times/second

Data Hold

PressHOLDkey to keep data, "DH" symbol display

Data Storage

500 groups

Communication Interface

USB interface, store data can be upload to computer, convenient to analyze management data

Auto Shutdown

15 minutes after boot up, the meter shuts down automatically without any operation

Backlight Function

Yes, Suitable for dark place and at night use

Voltage Detection

When the battery voltage is lower than 7.2V, low battery symbol appears, reminding replace battery

Weight

Host: 550g

Current Clamp: 185g*3

Test wires: 250g

Test Wire Length

1.5m

Current Clamp Length

2m

Working Temperature and Humidity

-10℃~40℃;below 80%Rh

Storage Temperature and Humidity

-10℃~60℃;below 70%Rh

Input Impedance

Test voltage input impedance: 1MΩ

Withstand Voltage

It took 1 minute to withstand 1000V/50Hz sine wave AC voltage between the meter line and the out shell

Insulation

≥10MΩbetween meter lines and sheath shell

Structure

Double insulation, with insulation vibration-proof sheath

Suitable Safety Standard

IEC61010-1 CATⅢ600V,IEC61010-031,IEC61326,Pollution 2

Model Shift CT Size Current Range Voltage Range Communication Interface Data Storage
ETCR4300 automatic
Φ8mm 0.0mA~20.0A 0~600V
USB-RS232 interface
500 groups
ETCR4700 35x40mm
0mA~600A USB-RS232 interface
500 groups



 Package  Outer Package  Carton
 Inner Package  Aluminum case
 Accessory  Meter  1 PCS
 Current Clamp  3 PCS
 Test Wire  4 PCS
 Communication Cable  1 PCS
 Software CD  1 COPY
 Aluminum case  1 PCS
 Manual  1 PCS
 Certificate  1 PCS
 Warranty Card  1 PCS


ETCR4700 Catalog