Parameter	Description
Accuracy Class	0.01 Class
Optional Standard Meters	COM3003, RX-31, K8e, etc.
Number of Simultaneous Standard Meters	3 or 6 pieces (up to 12 meter positions as per customer requirements)
Voltage Range (Phase-Neutral)	3×30V to 480V
Power of Voltage Output	3×200VA
Voltage Resolution	0.001%
Voltage Stability	0.005%/120s
Load Change Rate	0.01% (entire linear load range)
Voltage Distortion	≤ 0.05 %
Current Range	3×1mA to 120A (up to 230A current as per customer requirements)
Power of Current Output	3×300VA
Current Resolution	0.001%
Current Stability	0.005%/120s
Current Distortion	≤0.05 %
Phase Adjustment Range	0° to 360°
Phase Resolution	0.01°
Frequency Adjustment Range	45Hz to 65Hz
Frequency Resolution	0.001Hz
Power Stability	0.020~120A: 0.005%/120s 0.005~0.020A: 0.01%/120s 0.003~0.005A: 0.02%/120s
Harmonic Output	1st to 64th harmonics, content: ≤40%
Error Display	Method: LED display Number: One display window per meter position
Operating Environment	Power supply: 3P4W 3×380V±10%, 50Hz±2Hz Ambient temperature: 20℃±5℃ Ambient humidity: 50%R.H±15%R.H

Features

Measurement methods: active power, reactive power, active energy, reactive energy, start-up, latent test
Measurement basic error, average error, standard deviation, 24h variation
Voltage effect, frequency effect, harmonic effect (1-64th), phase sequence effect test
Measurement of current and voltage at the same time, but different constants and levels of the standard energy meter, can automatically identify the standard meter constants
It has current open circuit and voltage short circuit protection function.
Automatic and manual operation modes
Processing and organizing of error data, data storage and online output are automatically realized by computer software.
Excellent data management and statistical functions, according to the user needs to print a variety of formats of the report, support bar code input
Adopt linear power amplifier circuit, power supply after special treatment, device frequency range without frequency beat phenomenon.
Comprehensively support IR46 standard test and JJG597 latest regulations test requirements.
Beautiful and practical appearance structure.
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Special Features

Forward and reverse active, forward and reverse reactive power error test
SW-5D precision time base source can measure the daily timing error of power meter.
Communication test, satellite and computer calibration
Calibration constants (pulse counting, time, starting and stopping power in three ways)
Time period switching, demand cycle, demand value error test
Influence quantity test
Voltage unbalance, high harmonics
Interference test
Voltage dips, short-term interruptions
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