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上海艾斯达电子
- 卖家积分:营业执照:已审核经营模式:经销商所在地区:上海 上海市企业网站:
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- 地址:上海北京东路668号赛格电子市场G537室
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- E-mail:isd99@163.com
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产品信息
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The Ground Resistance Tester Model 6471 is a portable measurement instrument designed to measure Ground Resistance with 2 clamps (no auxiliary rods), Bond/Connection Resistance (2-Pole and 4-Pole Kelvin sensing), Ground Resistance (3-Pole or 4-Pole), Ground Coupling Resistance, and Selective Ground Resistance, Soil Resistivity (Wenner or Schlumberger method). The Model 6471 measures from 0.01 to 99.99kΩ and is auto-ranging, automatically seeking out the optimum measurement range, test frequency and test current. Easy-to-use - Simply connect the leads, select the test mode, press Start and read the results. Up to 512 test results can be stored in internal memory for later recall to the display or downloaded to a PC via DataView® software.
The Model 6471 is Cat IV rated to 50V and is over voltage protected to more than 250VAC against accidental connection to live circuits. The voltage is also displayed on screen. In the event of a system fault, the Model 6471 can withstand 250VAC.
Additional features of the Model 6471 include a heavy-duty field case sealed against dust and water when closed (the test button is also sealed against the elements); manual and automatic test frequency selection from 41 to 513Hz; user selectable 3-Pole Fall of Potential or 4-Pole Soil Resistivity test methods and user selectable 2-Pole or 4-Pole Bond Resistance test method. The Ground Resistance Tester Model 6471 is rugged, easy-to-use and ideal for maintenance crews performing numerous tests. It exceeds mechanical and safety specifications for shock, vibration and drop tests per IEC standards. The adjustable test frequency provides for rejection of high levels of interference, allowing it to be used under difficult conditions such as high stray currents that affect accuracy.
Functional Displays 4-Point Bond Test 3-Point Fall-of-Potential Test Two Clamp Test The 4-Point Bond test displaying lead connections, bond resistance test results, test voltage and current. The 3-Point Fall-of-Potential test displaying test lead connection, grounding electrode resistance, test voltage and frequency. The 2 Clamp method displays clamp connection resistance, test current and frequency. Data Storage Schlumberger Test Wenner Test Memory Recall displays test results stored at a specific memory location. The Schlumberger test displays test lead connection, soil resistivity (ρ) test results, test electrode resistance and more. The Wenner test displays test lead connection, soil resistivity (ρ) test results, electrode spacing and resistance. Specifications Electrical 2 Clamp Measurement Range 0.01Ω to 500kΩ Resolution 0.01Ω to 1Ω Measurement Frequency Auto: 1367Hz Manual:128Hz-1367Hz-1611Hz-1758Hz 3-Point Measurement Range (Auto-Ranging) 0.09Ω to 99.9kΩ Resolution 0.01Ω to 100Ω Test Voltage Nominal 16 or 32VRMS user selectable Resistance Measurement Frequency 41 to 513Hz user selectable or automatic selection Test Current Up to 250mA Accuracy ±2% of Reading + 1ct @ 128Hz Soil Resistivity 4-Point Measurement Test Method Wenner or Schlumberger selectable with automatic calculation of test results in Ω-meters, Ω-cm or Ω-feet Range(Auto-Ranging) 0.01 to 99.99kΩ; ρ Max: 999kΩm Resolution 0.01 to 100Ω Test Voltage 16 or 32V user selectable Frequency From 41 to 128Hz selectable External Voltage Measurement Range(Auto-Ranging) 0.1 to 65.0Vac/dc – DC to 440Hz Accuracy ±2% of Reading + 1cts Resistance Measurement(Bond Testing) Measurement Type 2-Pole (with lead resistance compensation) or 4-Pole (Kelvin sensing) user selectable Range(Auto-Ranging) 2-Pole 0.01Ω to 99.9kΩ; 4-Pole 0.001Ω to 99.99kΩ Accuracy ±2% of Reading + 2cts Test Voltage 16Vdc (+, - or auto polarity) Test Current Up to 250mA max Data Storage Memory Capacity 512 test results Communication Optically Isolated USB Power Source 9.6V rechargeable battery pack Recharging Source 110/220 50/60Hz external charger with 18Vdc, 1.9A output or 12V vehicle power Included Accessories - 1 - Set of 2 SR182 Current Probes
- 1 - Rechargeable NiMH batteries
- 1 - Heavy-duty field case
- 1 - DataView® software for data storage
Included
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