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

Features & Functions

A three-phase, automated/manual energy meter tester with integrated current/voltage sources for precision calibration.
Customizable auto-calibration for meter errors, creep, and starting behavior.
Supports calibration of up to 3 single/three-phase meters per MS IEC and BS standards.
Continuous 3x120A current output for at least 3 hours.
Independent selection of current/voltage sources with adjustable phase shift.
Optional testing for three-phase close-link meters.
Generates harmonics up to the 63rd order.
Automated operation with display of voltage, current, phase, and waveforms.
OXCO for daily timing error calibration.
32GB internal memory for data storage.
Ethernet transfer of test results.
Compact, robust, and stable for long-term use.

Certification

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