Phase Angle Error CT PT Test Set
Product Summary
Digital Transformer Tester HEWE series CT PT Test Equipment 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) ...
Product Custom Attributes
1.5%FS CT PT Test Set
,1.5%FS 100V CT PT Test Set
,5A 1.5%FS ratio ct and pt testing
Basic Properties
Trading Properties
Product Description
Digital Transformer Tester HEWE series CT PT Test Equipment 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 |
Measure Range & Resolution
| CT PT class | Test Range | 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 Measure Range & Resolution | ||||
| Range | Measure Range (Ω) | Resolution | ||
| 5A | ±1.000 | 0.0001 | ||
| 1A | ±6.000 | 0.0001 | ||
| Admittance Measure Range & Resolution | ||||
| Range | Measure Range (mS) | Resolution | ||
| 100V | ±9.9999 | 0.0001 | ||
| 57.7V | ±9.9999 | 0.0001 | ||
Features
1) LCD display
2) Test of ratio, ratio error, phase angle error, impedance, admittance
3) Test data values are all displayed
4) Used for testing of class 1 to 0.01 instrument transformer with rated current 5A and 1A,
rated voltage 100V, 100V√3V
5) Display ratio error & phase angle error of all test points under rated burden or lower limit
burden 1%-120% Rated current or 20%-120% rated voltage
Design for options
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