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Instrument test, Electrical Measuring Instrument Calibration Equi, Meter calibration manufacturer / supplier in China, offering DC AC Electrical Measuring Instrument Calibration system, Full automatic Oil Dielectric Loss Factor DC resistivity Test equipment, Breaker Test Circuit Breaker Simulator and so on.

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DC AC Electrical Measuring Instrument Calibration system

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Min. Order: 1 Piece
Port: Wuhan, China
Transport Package: Carton
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: ZX3030H
  • Trademark: GDZX
  • Origin: China
  • Warranty: 1 Year
  • Specification: Can be Customized
  • HS Code: 9030339000
Product Description
It is composed of program control three phase testing source, DC standard source, Three phase sampling type multiple function standard meter, and one set of computer installed with calibration and management software.

1. Semi-automatically or manually test the basic error of a variety of power frequency meters (voltmeter,ammeter, power meter, frequency meter, power factor meter, phase meter), and test the change value cause by influence of voltage, current, waveform and power factor
2. Auto measure the basic errors of electric transducers (voltage transducer, current transducer, power transducer, frequency transducer, power factor transducer), and the change value caused by influence of votalge, current, waveform and power factors etc
3. can generate distortion wave with 2~31th order harmonics, harmonic number, order, amplitude and phase to fundamental wave all can be program controlled
4. Power amplifier's working frequency 40Hz~1KHz, good linearity. Current power amplifier is  constant-current source, and voltage power amplifier is constant-voltage source
5. Testing by PC automatic control or manual control, capable of data analyzing and management
6. Auto calibrate energy meters
Technique Parameters:
1. AC output voltage current
Voltage range: 10,20,50,100,200,400,600V
Current range: 0.1,0.25,0.5,1,2.5,5,10,25,50,100
Regulation range: 0~120%( but 800V,100A: 105% )
Regulation fineness: 0.005%
Output voltage current power stability:  0.01%/60s
maximum output capacity of voltage per phase: 50VA
maximum output capacity of current per phase: 100VA
sine wave output distortion: 0.3%
2. Output phase
Phase drift of current to the same voltage: 0.000~359.990
Regulation fineness: 0.010
3. output frequency
Regulation range: 45~65Hz 
Setting value accuracy : 5×10-5
4. Distortion wave output

Harmonic order: 2-31
Harmonic numbers contented at the same time: 0~30
Harmonic amplitude: total harmonic peak-peak value, should not be more than 50% of fundamental wave rated value (voltage current range, expressed in peak-peak value), besides, distortion wave peak-peak value including fundamental wave should not be more than 125% of fundamental wave rated value.
Phase drift of each order harmonic to fundamental wave( fundamental wave positive zero crossing as reference): 0~360°
5. Three phase angle symmetry
Three phase four line: between the phase voltage: 1200±0.20
Three phase three line: UAB is UCB lagging behind 600±0.20
6. DC output voltage ( auxiliary range not included)
Range: mV:100,300
7. DC output current ( auxiliary range not included)
8. DC output capacity: maximum 30W
9. DC output regulation range and fineness
       Range: 0~120% ( but voltage 1000V, current 30A: 105%)
       Fineness: 0.002%
10. DC output accuracy: 0.05%
11. stability of DC full range output: ≤±0.01% RG/1min
12. error caused by ripple and noise voltage: ≤±0.01% RG
13. error caused by loading change of no-load to full-load: ≤±0.01% RG
14. device accuracy class: 0.05
       1) allowed measuring error of voltage/current/active power: (5VU1000V,0.1AI100A) 0.05%
       2) allowed measuring error of active power energy: (25VU800V, 0.1AI100A) 0.05%
       3) allowed measuring error of reactive power/energy: 0.1%
       4) phase measuring error: ±0.050
       5) power factor measuring error: ±0.0002
15. Power supply: Single phase 220V±10%, 50HZ±5%
16. working environment: temperature 20ºC±10ºC, relative humidity 85%RH
17. dimension and weight: 1800×800×750mm3, 135kg
DC AC Electrical Measuring Instrument Calibration system
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