Three phase fully automatic or manual control energy meter test system with reference standard and integrated current and voltage source.
It can calibrate the basic error, creeping, starting, standard deviation of the meter automatically or single-step manually, the automatic calibration program can be set according to the user's request.
It can verify and calibrate max 3 units single phase meters, or three phase meters complying with MS IEC 62052-11, MS IEC 62053-21, MS IEC 62053-22, MS IEC 62053-23,MS IEC 62053-31, MS IEC 62063-61 and BS568.
The current source can output up to 3x120A for a minimum 3 hours continuously.
Current and voltage source can be selected independently, current voltage and phase shift are adjustable to high accuracy individual per phase.
Can test 3 units three phase close-link meters (optional).
It can generate 2-63th harmonics, and can be used as harmonic source.
Automatic operation with predefined load points with keyboard, mouse of the equipment or external laptop.
Display voltage, current, phase angle, vector diagram, waveform, harmonics and etc.
With OXCO, you can calibrate the meter's daily timing error.
With internal memory up to 32GB for storage of customer data and measurement results.
Saved test results can upload to external laptop via ethernet.
Compact, robust and long-term stability.

Specifications

Application Conditions and Requirements
Environment			Safety
Operation Temperature	Relative Humidity	Altitude	IP Class	Conformity
-25°C-50°C	40%-95%	<2500m	40/54	IEC

Items		YC99T-3C	YC99T-5C
	Output Range	57.7V, 100V, 220V, 380V, 660V	57.7V, 100V, 220V, 380V
AC Voltage Output	Adjustment Range	(0~120)%RG
	Adjustment Degree	0.01%RG, 0.1%RG, 1%RG, 10%RG (optional)
	Stability	0.01%/2min
	Distortion	≤0.2% (Non-capacitive load)
	Output Max. Load	20VA/phase
	Measurement Accuracy	0.05%RG
	Output Range	50mA, 200mA, 1A,5A,16.677A,50A
AC Current Output	Adjustment Range	(0~120)%RG
	Adjustment Degree	0.01%RG, 0.1%RG, 1%RG, 10%RG (optional)
	Stability	0.01%/2min
	Distortion	≤0.2% (Non-capacitive load)
	Output Max. Load	60VA (50A range, 120% output)	90VA (100A range, 120% output)
	Measurement Accuracy	0.05%RG	0.05%RG
	Stability	0.01%RG/2min	0.01%RG/2min
Power Output	Active & Reactive Power Measurement Accuracy	0.05%RG

Phase Output	Adjustment arrange	0°~360°
	Adjustment Degree	10°, 1°, 0.1°, 0.01° (optional)
	Resolution	0.01°
	Accuracy	0.05°
	Adjustment Range	‘-1~0~ +1
Power Factor Output	Measurement resolution	0.0001
	Measurement Accuracy	0.0005
Frequency Output	Adjustment Range	40Hz~70Hz
	Output Adjustment degree	1HZ,0.1HZ,0.01Hz,0.001Hz are optional
	Resolution	0.001Hz
	Accuracy	0.002 Hz
Harmonic Set Up	Harmonic Times	2~63 times
	Harmonic Content	0~40%
	Harmonic Phase	0°~359.99°
	Harmonic Set Up Error	2~31 times: ≤±0.1%, 32~63 times: ≤±0.2%
Energy Error Measurement	Active PF≥0.5	±0.05%RD
	Active PF=1	±0.1%RD
	Reactive PF≥0.5	±0.1%RD
	Reactive PF=1	±0.2%RD
General Specification	Power Supply	AC 220V±15% or 110V±15%, 50Hz-60Hz
	Weight	28kg	48kg

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