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China, Chinese Micro-Ohmmeter Contact Resistance Meters Loop Resistance Tester1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Test InstrumentOther Test InstrumentLow Resistance TesterLoop Resistance Testers
GOLDSOL(WUHAN)HIPOT TEST EQUIPMENT FACTORY
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Product Description I.Overview:HLY-I Micro-ohmmeter (Loop resistance automatic tester), also known as contact resistance automatic tester, is mainly used to measure the contact resistance of main contacts of various high and low voltage circuit breakers (referred to as switches). It can also test the resistance of high and low voltage cable lines, bus bars, welds and any ultra-low resistance non inductive apparatus.The instrument is in strict accordance with the latest standard "JJG1052-2009 loop resistance verification regulation" GB 50150-91 and DL / T596-1996. It can output stable large current of no less than 100A for a long time, avoiding the disadvantage that the instrument can not work continuously and can not effectively break down the "oxide film".The combination of new power supply and precision measurement control circuit makes the measurement data have high precision and good repeatability.The instrument has the functions of automation and simple operation. It can automatically measure the data by pressing a button without manual adjustment. It can avoid the data instability produced by the operator in the process of adjusting the current, and greatly improve the use efficiency.II.Technical index:1. Test current: ≥ 100A2. Resistance range: 0 ~ 1999 μ Ω3. Display mode: 3-digit LCD display4. Resolution: 1 μ Ω5. Test accuracy: 0.5%6. Allowable test duration: 300 min7. Power supply voltage: ~ 220 V ± 10% 50 Hz8. Overall dimension: 300 × 280 × 170 (mm)9. Weight: 7.0kgIII.PanelIV.Operation Step1.Wiring method2.Insert the wiring plug on the panel's terminal according to the color and size, and the current plug must be tightened with the locking cap. The other end of the measuring line is connected to the tested object, the voltage line should be connected to the voltage line, the positive and negative voltage lines can be interchanged, which does not affect the measured data. 3.Measurement: after wiring, plug in the power cord, turn on the power switch, press the "Test" key to start measurement, the current display screen shows "≥ 100A", and the resistance display screen shows the resistance value.4 After measurement, press the "Reset" key , turn off the power switch, removing connecting cables and put the test clamp in the wire box.V.Accessories Sr noDescritptionQty 1Power supply cable1 unit 2Test cables1 set 3Fuse2 units 4Factory's calibration report1 unit 5Operating manual1 unitVI.Standard reference value of conductive circuit resistance of circuit breaker TypeCircuit resistance of each phase( μΩ)TypeCircuit resistance of each phase( μΩ)SN1-10<95DW1-60G200SN2-10G75SW1-110700SN4-1050~60SW2-1101180SN4-2050~60SW3-110160SN4-10G 20SW4-110 300SN4-20G 20SW6-110 180~220SN5-10 100SW2-220 400SN6-1080SW4-220600SN10-35 <75SW6-220<400DW1-35 550SW7-220 <190DW1-60500KW1-220 400DW3-1101100~1300KW2-220 170DW2-110800KW3-220 110KW1-110150KW4-220 130KW4-11060DW3-220 1200DW3-110G 1600~1800SW6-330 ≤600
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