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20A Transformer Test Equipment , Three Phase DC Winding Resistance Tester

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20A Transformer Test Equipment , Three Phase DC Winding Resistance Tester

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Brand Name :	AI
Model Number :	WRT-20S
Certification :	ISO
Price :	Negotiable
Payment Terms :	T/T, Western Union, L/C
Supply Ability :	100000 sets per month
Delivery Time :	15 days

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20A Transformer Test Equipment , Three Phase DC Winding Resistance Tester

20A Three Phase Winding Resistance Test Equipment

I. Introduction:

This fast DC resistance tester (hereinafter referred to as DC resistance tester) is the product of the latest generation for measuring the DC resistance of transformer and is optimally designed for measuring the DC resistance of the three-phase winding of the large-capacity transformer. It can measure the DC resistance of the three-phase winding at the same time. In case of the on-load voltage regulating transformer, it is not required to discharge but to directly adjust the tapping switch. The measurement time is one third of the traditional single-phase measurement, greatly shortening the working time and labor intensity. As the DC resistor tester is provided with large-screen LCD and the graphical interfaces in Chinese, the operation is visual, clear and easy. Besides, it is provided with panel type printer and large-capacity non-volatile memory, so the measurement results can be stored and printed out easily. With good stability in data testing, speediness and perfect repeatability, it is the best choice for the on-site measurement of DC resistance of transformer

II.Technical specifications

Testing current	Single phase: 1A 5A 10A 20A 40A Three phase: 1A 5A 10A 20A
Measurement scope	Single phase: 1A 10 mΩ～20Ω 5A 1 mΩ～4Ω 10A 1 mΩ～2Ω 20A 1 mΩ～1Ω 40A 1 mΩ～0.5Ω Three-phase: 1A 10 mΩ～6Ω (each phase) 5A 1 mΩ～1Ω (each phase ) 10A 1 mΩ～0.6Ω (each phase ) 20A 1 mΩ～0.3Ω (each phase )
Measurement accuracy	±0.2% (Full span ) ± 2 words
Maximum resolution	0.1μΩ
Data storage capacity	150 groups
Power supply	AC 220V±22V, 50Hz±2 Hz
Working environment	Ambient temperature: 0°～40° Relative humidity :≤80%

III.Package List of WRT-20S winding resistance test equipment

No.	Name	Quantity
1	Main Unit	1 Set
2	Special Test Wires	1 Set
3	Power cable	1 Root
4	Protective Tube	2 PCS
5	Printer paper	1 Copy
6	Manual book	1 Copy

20A Transformer Test Equipment , Three Phase DC Winding Resistance Tester

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