VKCR4400 Multifunction Three-phase Phase Voltammeter

1.High measurement accuracy, voltage and current accuracy up to 0.3; phase accuracy up to ±0.3°;

2. Measurement mode: Single-phase, two-phase, three-phase, three-phase four-wire system and three-phase three-wire system;

3. Analyze and measure harmonics within the 21st order of voltage and current;

4.The measurement personnel only need to connect the wires, the instrument will automatically measure and update the data in real time, which is convenient for on-site analysis;

5.The instrument adopts complete isolation technology to avoid safety accidents;

6.Touch color screen, easy and fast operation.

1.Base Conditions and Working Conditions

Influence Quantity	Base Condition	Working Conditions	Remark
Environment Temperature	23℃±1℃	-10℃~40℃
Environment Humidity	40%~60%	＜80%
Signal Waveform	sine wave	sine wave	β=0.01
Signal Frequency	50Hz±1Hz	45Hz~65Hz
Meter Working Voltage	7.4V±0.2V	7.4V±1V
The current amplitude when measure the phase frequency and phase sequence	4A±10mA	1mA~20A	----
The voltage amplitude when measure the phase frequency and phase sequence	100V±10V	2V~700V	----
The current amplitude when measure the power and power factor	4A±10mA	1mA~20A	----
The voltage amplitude when measure the power and power factor	100V±10V	2V~700V	----
External Electric Magnetic Field	To be avoided
The Tested Wire Position	Measured wire at approximately the geometric center of the clamp

2.General Specification

Power Supply	DC 7.4V 5200mAH rechargeable battery
Function select	Select on touch screen
Display Mode	5 inch touch colorful screen
LCD Size	108mmX65mm
Meter Size	210mmX129mmX68mm
Weight	Host:870g; Total weight: 2kg(with accessories&packing)
Test Lines	1pcs each voltage test line of yellow, green,red, black
Clamp Current Sensor	CT size: φ8mm, 3pcs
Data Store	1000 groups
Data Query	Yes
Data Upload	USB interface, the test record data upload to computer, and can export with EXCEL format file
Battery Voltage	With battery power state indicator, battery voltage lower than 10% will remind to charge in time
Automatic Shutdown	15minutes without any operation after power up, will automatic shutdown, and remind before shutdown
Working Time	Continue working about 12 hours with full charge battery power
Power Consumption	Working(backlight is 50): 320mA
Working Condition	-20℃~50℃; Relative humidity: 0~95%HR non-condensing
Storage Condiction	-30℃~60℃; Relative humidity: 0~75%HR

3.Intrinsic Error And Performance Index Under Base Conditions

Category	Measure Range	Accuracy	Resolution
Voltage	0.01V~100V	±0.3%Fs	0.0001V
Voltage	100V~700V	±0.3%Fs	0.0001V
Current	0.001A~1A	±(0.3%Fs ±0.2%rdg)	0.0001A
	1A~10A		0.0001A
	10A~20A		0.0001A
Harmonic	2~21 orders	--	--
Phase	0°~360°	±1°	0.1°
Frequency	45Hz~65Hz	±0.03Hz	0.0001Hz
Power(include active pwer, reactive power, apparent power)	0.002W~1000W	±0.3%Fs	0.0001W
	1000W~10000W		0.0001W
	10000W~14000W		0.0001W
Power Factor	-1.000~1.000	±0.03	0.001

Note: The measurement error under working conditions is not more than twice the base condition, and the phase error: 20mA～20A is ±2°; below 20mA ±6°.