{"product_id":"ground-resistance-testing-instrument-etcr3300","title":"Ground  Resistance Testing Instrument  ETCR3300","description":"\u003cdiv\u003e\u003cspan\u003e\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1.Product Characteristics\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNew automatic frequency conversion AC power supply, computer processing control and signal processing technology are used to solve the anti-interference problem in the testing process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e400V, 5A high power output, can ignore the power frequency interference of substation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEquipped with micro printer, computerRS232 interface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2.Product Brief\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eETCR3300 large grounding resistance tester is a multi-purpose machine for testing power frequency grounding impedance, grounding resistance and soil resistivity of substation grounding network, hydrothermal power plant, microwave station, communication base station and other large grounding networks. The instrument adopts new frequency conversion AC power supply, computer processing control and signal processing measures, which solves the problem of anti-interference in the testing process and simplifies it. The test operation process improves the accuracy and accuracy of the test results, and greatly reduces the labor intensity and test cost of the test personnel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ETCR3300 grounding resistance tester for large-scale grounding grid uses super-strong automatic frequency conversion anti-interference technology, with 400V, 5A high-power output, it can accurately measure data at 50Hz power frequency under strong interference environment. It is suitable for testing power frequency ground impedance, grounding resistance, auxiliary machine and other power frequency characteristic parameters of various grounding devices.Measure the conduction impedance or resistance between grounding devices.Soil resistivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstrumentation basisJJG984-2004 Verification Regulation for Grounding Conduction Resistance Tester, DL\/T475-2006 Guide for Measuring Characteristics of Grounding Devices, General Technical Conditions of DL\/T845.2-2004 Resistance Measuring Device Part II: Power Frequency Grounding Resistance Tester.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3.Technical Specifications\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e      Product model\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   ETCR3300 Large Ground Network Grounding Resistance Tester\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Impedance measurement range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   0 ohm to 200 ohm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Resolving power\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   0.001 Omega\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       measurement error\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   (+2%+0.005)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Resistance to 50 Hz Voltage Interference at Power Frequency\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   10V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Test current waveform\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   sine wave\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Test current frequency\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   Automatic 45Hz\/55Hz dual frequency,Multiple Frequency Converters for Selective Use\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Output current\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   5A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       output voltage\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   400V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Measurement line requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   The cross-sectional area of copper cores for current wires is more than 2.0 mm2 and that of copper cores for voltage wires is more than 1.5 mm2.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Power supply\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   AC220V + 10%, 50Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Outline size\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   440 x 350 x 210\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Instrument weight\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   10kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       data storage\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   100 group\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       computer interface\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   RS232\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Printer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Working temperature and humidity\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   - 10 ~40 below 80% RH\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Storage temperature and humidity\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   - 20-60 below 70% RH\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       insulation resistance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   20M OmegaAbove (500V between circuit and shell)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Pressure resistance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   AC 3700V\/rms (between circuit and shell)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       Random attachment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   Host 1, test line 4, ground line 1, power line 1, grounding pile 2, toolkit 1, printing paper 1 volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"mickcara","offers":[{"title":"000","offer_id":41382147227785,"sku":"02941-1","price":3226.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/files\/a90f81ab4de2ba8ea8651bd360f82f8d.jpg?v=1694834452","url":"https:\/\/mickcara.com\/products\/ground-resistance-testing-instrument-etcr3300","provider":"mickcara","version":"1.0","type":"link"}