ISO CE ETCR4200A Intelligent Large Clamp Phase Volt-ampere Meter digital voltmeter circuit

Influence Quantity

Base Condition

Working Condition

Remark

Ambient Temperature

23℃±1℃

-10℃~40℃

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Ambient Humidity

40%~60%

<80%

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Signal Waveform

sine wave

sine wave

β=0.01

Signal Frequency

50HZ±1HZ

45HZ~65HZ

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Meter Working Volt

9V±0.1V

9V±1.5V

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Current Amplitudein Phase/Frequency/Phase Sequence Test

1A±0.2A

2mA~20A

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Voltage Amplitudein Phase / Frequency/ Phase Sequence Test

100V±20V

10V~600V

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Current Amplitudein   Power / Power Factor Test

1A±0.2A

20mA~20A

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Voltage Amplitudein   Power / Power Factor Test

100V±20V

10V~600V

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External ElectricMagnetic Field

To be avoided

Measured Wire Position

Measured wire at approximately the geometric center of the clamp

Category

Measurement Range

Resolution

Intrinsic Error

Voltage

AC 0.0V ~ 600V

0.01V

±(1.5%rdg+3dgt)

Current

AC 0.0mA ~ 20.0A

0.1mA

±(1.5%rdg+3dgt)

Phase

0.0°~ 360°

0.1°

±1°

Active Power

0.0W ~ 12kW

0.1W

±(3%rdg+3dgt)

Reactive Power

0.0VAR ~ 12kVAR

0.1VAR

±(3%rdg+3dgt)

Apparent Power

0.0VA ~ 12kVA

0.1VA

±(3%rdg+3dgt)

Frequency

45HZ ~ 65HZ

0.01HZ

±(2%rdg+3dgt)

Power Factor

-1 ~ +1

0.001

±0.03

Function

Simultaneous measurement of two AC voltage, current, phase between voltage, phase between current, phase between voltage and current, frequency, phase sequence, active power, reactive power, apparent power, power factor, distinguish transformer wiring group, inductive and capacitive circuits, test second circuit and bus differential protection systems, read the phase relationship between CTs of the differential protection, check the meter wiring right, repair lines and equipment, etc.

Power

DC9V alkaline batteries(1.5V AA×6)

Consumption

About 70mA at most with enabled backlight, battery working continuously for about 14 hours

About 40mA with disabled backlight, battery working continuously for about 20 hours

Display Mode

LCD display, 240dots×160dots

Meter Size

Length, Width, Height:196mm×92mm×54mm

Clamp Size

35mm×40mm  (optional)  

Measurement Range

(automatic shift)

AC Voltage:0.00 V~ 600V (automatic shift)

AC Current:0.0mA~ 20.0A (automatic shift)

Phase:0~ 360°

Frequency: 45.00Hz ~ 65.00Hz

Active Power: 0.0W ~ 12kW

Reactive Power: 0.0W ~ 12kVAR

Apparent Power: 0.0W ~ 12kVA

Power Factor: -1 ~ +1

Resolution

Voltage: AC 0.01V

Current: AC 0.1mA

Phase: 0.1°

Frequency: 0.01Hz

Active Power: 0.1W

Reactive Power: 0.1VAR

Apparent Power: 0.1VA

Power Factor: 0.001

Sample Rate

About 2 times/second

Data Hold

Press HOLD key to keep data, "DH" symbol appears

Data Storage

1500 sets

RS232 Interface

USB-RS232 interface, download data to computer for analysis and management

Automatic Shutdown

Automatic shutdown about 15 minutes later after launching to reduce battery consumption

Backlighting

Suitable for dark place and nightly use

Voltage Detection

Low battery symbol “     " appears to remind the replacement of battery when the battery voltage drops below 7.2V.

Weight

Main Unit about 550g(with battery), current clamp about 185g×2, test line about 250g

Test Line Length

1.5m

Current Clamp Length

2m×φ5mm

Working Temperature and Humidity

-10℃ ~ 40℃; below 80%Rh

Storage Temperature and Humidity

-10℃ ~ 60℃; below 70%Rh

Input Impedence

Testing voltage the input impendence is 2MΩ

Withstand Voltage

Withstand 1000V/50Hz sine wave AC voltage for 1 minute between the meter lines and shell; Withstand 500V/50Hz AC voltage sine wave for 1 minute between the two voltage inputs

Insulation

≥100MΩbetween meter lines and shell or between the two voltage inputs

Structure

Double insulation, with insulation vibration-proof sheath

Safety Specifications

IEC61010-1 CAT III 600V, IEC61010-031, IEC61326, 2 class of pollution