AT3031 Three-phase AC & DC standard source
Profile
AT3031 is suitable for the measurement department of research institution, power grid corporation, railway and national measurement institution at all levels, and test, production, calibration in meter manufacture.
Main function
Support various tests including indicating meter, digital meter, energy meter, etc.
Output 2nd ~63rd harmonics;
Main features:
High stability, low waveform distortion;
8 inch color touch screen, interface friendly, easy to operate;
Equipped with RS232, Ethernet, and WiFi interface, AT3031 can either support stand-alone operation, PC control or handy wireless terminal control;
Communicate with tested meter thru RS485;
Customize and develop the automatically adjustment and calibration system;
Self-protection, alarming and displaying overload location for equipment output overload, Voltage short-circuit, Current open-circuit;
Automatically detect, diagnose and alarm for failure.
Remotely updating online, easily achieve software updating;
Support calibrating by userself.
Type
AT3031C three phase AC, DC standard source, class 0.05
AT3031B three phase AC, DC standard source, class 0.1
Technical specification
AC voltage output
AC large voltage output
Range: (Phase A) 30V, 100V, 300V, 660V, 1000V;
(Phase B, C) 30V, 100V, 300V, 660V;
Adjustment range: (0~120) %RG, RG refers to range, similarly hereafter; Phase A 1000V: (0~100) %RG;
Adjustment resolution: 0.01%RG, 0.1%RG, 1%RG, 10%RG for option;
Stability: 0.005%/1min (0.05 class), 0.01%/1min (class 0.1);
Distortion: ≤0.1% (Non-capacitive load);
Output maximum load: 25VA each phase (resistive load);
Accuracy: 0.05%RG (0.05 class), 0.1%RG (class 0.1);
AC small voltage output
Range: phase A: 75mV, 300mV, 750mV, 3V, 7.5V;
Adjustment range: (0~120) %RG, RG refers to range, similarly hereafter;
Adjustment resolution: 0.01%RG, 0.1%RG, 1%RG, 10%RG for option;
Stability: 0.005%/1min (0.05 class), 0.01%/1min (class 0.1);
Distortion: ≤0.1% (Non-capacitive load);
Output maximum load: ≥ 25mA
Accuracy: 0.1%RG (class 0.1);
AC current output
Range: phase A: 500uA, 2mA, 10mA, 50mA, 0.2A, 0.5A, 2A, 5A, 10A, 30A;
Phase B, C: 0.2A, 0.5A, 2A, 5A, 10A, 30A;
Adjustment range: (0~120) %RG, RG refers to range, similarly hereafter;
Adjustment resolution: 0.01%RG, 0.1%RG, 1%RG, 10%RG for option;
Stability: 0.005%/1min (0.05 class), 0.01%/1min (class 0.1);
Distortion: ≤0.1% (Non-capacitive load);
Output maximum load: 25VA each phase (resistive load);
Measurement accuracy: 200mA and above ranges: 0.05%RG (Class 0.05); 0.1%RG (Class 0.1);
50mA and below ranges: 0.1%RG (Class 0.1);
Power output
Power output stability: 0.01%/2min (class 0.5), 0.02%/2min (class 0.1);
Active, reactive power measurement accuracy: 0.05%RG (class 0.5), 0.1%RG (class 0.1);
Phase angle output
Output adjustment range: 0°~360°;
Output adjustment resolution: 10°, 1°, 0.1°, or 0.01°.
Resolution: 0.01°;
Accuracy: 0.05°.
Power factor output
Adjustment range: -1 ~ 0 ~ +1;
Measurement resolution: 0.0001;
Accuracy: 0.0005;
Frequency output
Adjustment range: 40Hz ~70Hz;
Output adjustment resolution: 1Hz, 0.1Hz, 0.01Hz, 0.001Hz for option;
Resolution: 0.001Hz;
Accuracy: 0.001 Hz;
Harmonic setup
Harmonic order: 2nd ~63rd;
Harmonic amplitude: 0~40%;
Harmonic angle: 0°~359.99°;
Harmonic setup error: 2nd ~31st: ≤±0.1%; 32nd ~63rd≤±0.2%;
DC voltage output
Range (4 lines): 100mV, 300 mV, 1V, 5V, 20V, 100V, 300V, 1000V;
Adjustment range: (0~120) %RG; 1000V: (0~110) %RG;
Adjustment resolution: 0.01%RG, 0.1%RG, 1%RG, 10%RG;
Stability: 0.005%/1min (class 0.05), 0.01%/1min (class 0.1);
Ripple amplitude: ≤1%RG (Non-capacitive load);
Output load: 20V and above ranges: ≥10mA; 5V and below ranges: ≥25mA;
Accuracy: 0.05%RG (class 0.05), 0.1%RG (class 0.1);
DC current output
Range: 1mA, 3mA, 10mA, 30mA, 100mA, 300mA, 1A, 5A, 10A, 15A, 25A;
Adjustment range: (0~120) %RG;
Adjustment resolution: 0.01%RG, 0.1%RG, 1%RG, 10%RG;
Stability: 0.005%/1min (0.05 class), 0.01%/1min (class 0.1)
Ripple amplitude: ≤1%RG;
Output load: 25A: 25VA，other ranges ≥ 2V; 300mA and below ranges ≥25V;
Accuracy: 10mA and above ranges: 0.05%RG (class 0.05), 0.1%RG (class 0.1);
1mA, 3mA range: 0.1%RG;
Energy error measurement
Active energy basic error limit:
±0.05%RD (voltage 15V~660V, current 0.05A～36A，PF≥0.5);
±0.1%RD (voltage 15V~660V, current 0.02A～0.05A，PF=1);
Reactive energy basic error limit:
±0.1%RD (voltage 15V~660V, current 0.05A～36A，PF≥0.5);
±0.2%RD (voltage 15V~660V, current 0.02A～0.05A，PF=1);
General parameters
Power supply: 90~265VAC/DC
Frequency: 50Hz~60Hz
Consumption: 50VA~1000VA
Environment condition: 20℃~30℃，relative humidity≤85%
Storage environment: -20℃~50℃
Size: 600mm (L) × 440mm (W) × 176mm (H)
Weight: 28Kg
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