Voltage
Test voltage output	0V-480V	Resolution	1mV
Power of the voltage output	Max.25VA	Setting accuracy	0.05% at 50-400V
Stability	0.03%/h (integration time 150s)	Harmonics	2nd-41st free programmable
Distortion factor	<0.2% for linear resistance load
Current
Test current output	1mA-120A	Setting accuracy	0.05% at 1mA-120A
Power of the voltage output	Max.120VA	Stability	0.003%/h (Integration time 150s)
Resolution	0.2mA	Distortion factor	<0.2% for linear resistance load
Harmonics	2nd-21st free programmable
Phase angle		Frequency
Range	0°-360°	Range	45Hz-65Hz
Resolution	0.001°	Resolution	0.0001Hz
Setting accuracy	0.005°
Pulse output
High frequency output	>20A FH=10^7; >2A FH=10^8; >0.2A FH=10^9
Pulse Input
Input channel	2
Input frequency	Max.100kHz
Other
Voltage Supply	220V±10% 50/60Hz±2Hz	Dimensions (W×H×D) (mm)	484x184×543
Ambient temperature	-10°C-+40°C	Weight (kg)	15
Relative humidity	35%-85%	Conformity	CE conform

Features & Functions

Integrated Design: The device integrates power supply, standardization, and measurement functions, allowing it to independently complete the calibration of energy meters.
Provides Standard Signals: It provides accurate single-phase voltage and current standard signals for calibrating and testing energy meters.
Dual Error Meter Setting: Allows for the simultaneous detection of energy errors in two energy meters or the detection of active and reactive energy errors in one energy meter, improving calibration efficiency.
Multifunctionality: In addition to calibrating energy meters, it can also test voltage meters, current meters, power meters, phase meters, power frequency meters, and harmonic meters, making it highly versatile.
Suitable for Various Environments: Suitable for use in metering departments, power departments, industrial and mining enterprise metering rooms, and meter factories, meeting the needs of different users.
Improves Measurement Accuracy: Ensures the accuracy of energy meter measurement through precise calibration, preventing energy waste and billing errors.
Maintains Power System Stability: Accurate energy measurement is crucial for the stable operation of the power system, avoiding power grid load imbalances due to inaccurate measurement.
Facilitates Regulation and Quality Control: For power companies and industrial and mining enterprises, this device is an important tool for the regulation and quality control of energy meters.
Technological Advancement: With technological advancements, this device may also feature automation, digitization, and networking, improving the accuracy and convenience of calibration.
Compliance with Standards: The design and functions of the device usually comply with national or international energy measurement standards, ensuring the authority of the calibration results.

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