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20A Ohmmeter for Power Transformers DC Resistance Meter DC Winding Resistance Tester
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Four-wire (Kelvin) measurement method for high accuracy
Built-in fast demagnetization function reduces test time by 70%
Large color LCD with intuitive menu and graphical results display
Automatic temperature compensation to standard reference (20°C/75°C)
Data storage for 5000 tests with USB export capability
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Specifications: |
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Project
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Technical Indicators and Parameters
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Maximum Test Current
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3A
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5A
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10A
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20A
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40A
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50A
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Test Current
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1mA-3A
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0.01A;1A;5A
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0.01A;1A;5A;10A
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1A;1A;5A;20A
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2.5A;20A;40A
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2.5A;5A;10A;20A;50A
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Measuring Range
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1μΩ~10kΩ
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1μΩ~2kΩ
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1μΩ~2kΩ
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1μΩ~20kΩ
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1μΩ~8kΩ
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1μΩ~8kΩ
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Measurement Accuracy
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±0.2%(full scale)
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Display
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128 × 64 Dot Matrix Display
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Store Data
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255 pcs
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Maximum Resolution
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1μΩ
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0.1μΩ
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Supply Voltage
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AC220V or DC12V AC/DC Dual-use
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AC 220V±22V,50Hz±2Hz
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Test Channel
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Single Channel, Dual Channel, and Triple Channel Options are Available
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Optional Features
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Remote Control, English Software, USB Interface, RS232 Interface, DC Power Supply, Printing Function, Expandable Range ect.
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