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China, Chinese Standardized Equipment for Loop Resistance Testing Loop Resistance Tester Calibrating System1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Electronic InstrumentCalibratorLoop Resistance Tester Standard DeviceLoop Resistance Tester Calibrating System
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
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Product Description Standardized Equipment for Loop Resistance TestingLoop Resistance Tester Calibrating System Product Introduction The Standard Device for Loop Resistance Testing incorporates a fixed and reliable high-power standard resistor box. The instrument's resistance value is stable, dependable, and highly accurate. It utilizes precision insulation oil internally for electrical isolation, effectively eliminating testing interference. It allows direct calibration of loop resistance testers with current ratings of 100A/200A, ensuring a simple testing process and reliable results.The instrument employs the four-wire method, establishing a one-to-one correspondence with the device under test (loop resistance tester). After testing the device, the results are printed and compared with the standard indication of this instrument. This allows for the calculation of the actual error of the device under test. Technical Indicators Measuring rangeFixed version of the resistance value:20/100/750/1000μΩMeasuring currentDC ≥100A/200A (for 200A type of tester)Measuring accuracy0.1% RGD + 0.1% FSWorking modeFour-wire method connectionAmbient temperature-10oC~+40oCrelative humidity <80%Weight<10kgTest Wiring Diagram Functions Calibration and Verification: The Loop Resistance Tester Standard Unit is used to calibrate and verify the accuracy and reliability of the Loop Resistance Tester to ensure that its measurements meet the specified standards and requirements.Testing Accuracy: High-precision resistors and measuring instruments are used inside the device to ensure the accuracy and reliability of the test results.Electrical Isolation: Precision insulating oil is used inside the unit for electrical isolation to eliminate interference during testing and provide an accurate measurement environment.High Power Testing: The Loop Resistance Tester Standard Unit is equipped with a fixed and reliable high power standard resistor box that allows direct calibration of high current loop resistance testers to meet the needs of testing in different current ranges.Results Comparison and Reporting: By comparing the results with the standardized values, the unit is able to generate a report of the test results in order to evaluate the actual error of the circuit resistance tester under test.
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