Htzz-S10A Temperature Rise Testing Equipment Electrical Transformer DC Winding Resistance Tester

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1. Application

FUOOTECH FTDC-10B 10A DC Winding Resistance Tester is applied to detect the welding quality of winding contactors are in good condition or not, and if there is turn-to-turn short circuit in winding. It also can detect the connecting and its' indicators of voltage on load tap changer are in good condition or not. This 10A Digital Transformer DC Resistance Tester is designed specifically to measure DC resistance values of transformer windings and any DC resistance of an inductive device.

2. What is DC winding resistance?

Winding resistance is defined as the resistance of a length of copper wires from one end to the other. It is a measurement of DC voltage and current in regard to Ohm's law, where R (resistance) is equal to V (voltage) divided by I (amps). Measuring winding resistance is important, because it can identify problems not easily found through other testing processes. Winding Resistance Meters can identify and diagnose Resistive connections (both internally and externally), partial blowout, shorting in the windings, improper coil or group connections, and more. Winding Resistance Meters are generally used to measure the winding resistance of transformers, chokes, induction coils, heater coils, generators, and an assortment of other motors where no brushes reside in series with the circuit. FUOOTECH produces various transformer dc winding resistance testers for different output currents ranging 5mA to 100A.

3. Technical Parameters

1). Output current: automatic,<20mA ,40mA,200mA,1A,5A,10A

2). Resolution: 0.1μΩ

3). Range: 0.5mΩ～0.8Ω (10A)

1mΩ-4Ω (5 A)

5mΩ-20Ω (1 A)

100mΩ-100Ω (200mA)

1Ω-500Ω (40mA)

100Ω-100KΩ (<20mA)

4). Accuracy: ±(0.2%+2 Readings)

5). Operating temperature: 0~40℃

6). Ambient humidity: ≤90%RH,(non condensed)

7). Size: 360*290*170 mm.

8). Instrument weight: tester: 6 KG, Wire box: 5 KG

4. Features

1). Whole instrument controlled by high speed SCM, high automatic degree and simple operation.

2). The instrument adopts advanced power supply technology, with multiple current position, test range is wide, suitable for testing DC resistance of large and medium size transformer.

3). Has a complete circuit protection, reliable.

4). Discharge alarm, discharge indicator clear, reduces misuse.

5). Quick response speed, can be directly converted to load tap switch at measuring state, the instrument automatically refresh data.

6). Intelligent power management technology, instrument is always working at minimum power state, effective energy saving, reduce heat.

7). 320 x240 matrix of ultra small pixel 65Ktrue color LCD.

8). With calendar clock and power storage, can store 1000 groups data, can be check at any time.

9). With RS232 and USB interface, computer communications and U disk storage.

5. Stocks at office

6. Packing, Delivery, Shipping and Payment

7. Certificates

8. Transaction History and Ratings

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Our Htzz-S10A Temperature Rise Testing Equipment Electrical Transformer DC Winding Resistance Tester is far more competitive than other brands, both in terms of price and performance. Standardized management is the most core symbol of modern enterprises, and strong execution is fundamental to the implementation of all systems. Once the goal is determined, it is necessary to clarify with the team the role each person needs to play in the process of achieving the goal.