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Product Details:
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| Accuracy Class: | 2% | Test Function: | Ratio Error, Phase Angle Error, Impedance & Admittance Test |
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| Current Range: | 1A, 5A | Voltage Range: | 100V,100/√3V |
| High Light: | LCD Digital CT PT Test Equipment,LCD CT PT Test Equipment,LCD 2% ct and pt testing |
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Digital Transformer Tester HEW series CT PT Comparator
Technical Parameter
| Accuracy class | 2 |
| Current range | 5A, 1A |
| Voltage range | 100V,100/√3V |
| Percentage Error | Less than 1.5%*FS |
| Basic Error | |
| When testing CT PT error & impedance & admittance, the error will not beyond: |
ΔX=±(X*2%+Y*2%+Dx) ΔY=±(X*2%+Y*2%+Dy) ΔX: basic error limit value of in-phase component ΔY: basic error limit value of Quadrature Component X: Indication absolute value of in-phase component Y: Indication absolute value of Quadrature Component Dx & Dy: Zero error and Quantizing Error When testing CT & PT, Dx,Dy=1(or 2)%*(Error limit value of CT & PT When testing Z & Y, Dx,Dy= 3 digits |
Test Range & Resolution
| CT PT Accuracy | Test Range | Highest Resolution | ||
| In-phase component | Quadrature Component | In-phase component | Quadrature Component | |
| 0.01 | ±0.4000 | ±13.752 | 0.0001% | 0.001' |
| 0.02 | ||||
| 0.05 | ||||
| 0.1 | ±4.000 | ±137.52 | 0.001% | 0.01' |
| 0.2 | ||||
| 0.5 | ||||
| 1.0 | ±40.00 | ±999.9 | 0.01% | 0.1' |
| Impedance Test Range & Resolution | ||||
| Range | Test Range (Ω) | Resolution | ||
| 5A | ±1.000 | 0.0001 | ||
| 1A | ±6.000 | 0.0001 | ||
| Admittance Test Range & Resolution | ||||
| Range | Test Range (mS) | Resolution | ||
| 100V | ±9.9999 | 0.0001 | ||
| 57.7V | ±9.9999 | 0.0001 | ||
Features
Design for option
Contact Person: Mr. Tony Han
Tel: 86-15237157117
Fax: 86-371-55692730
