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Metal pipeline anti-corrosion layer detector
Brief description: The SL-6 metal pipeline anti-corrosion detection instrument is one of the highly stable and anti-interference novel instruments wid
Product details
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The function and purpose of SL-6 metal pipeline anti-corrosion detection instrument |
| This instrument is one of the highly stable and anti-interference novel instruments widely valued in the world. It can easily and accurately detect the direction, depth, and precise location of the leakage points of the insulation and anti-corrosion layer of underground pipelines without excavating the soil, so that the entire pipeline surface no longer suffers from repeated soil erosion. It is a detection instrument used by departments such as oil fields, chemical industry, oil and gas transportation, water and electricity to ensure the construction quality inspection and maintenance inspection of underground pipeline anti-corrosion layers. |
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Characteristics of SL-6 Metal Pipeline Anti corrosion Detection Instrument |
| 1. The instrument power supply adopts a Japanese high reliability original switch power supply, which implements intelligent fast charging during charging without manual control. 2. The instrument voltage and output current signals can be automatically converted. 3. Automatic conversion between DC power supply and AC power supply. 4. All instruments adopt high anti-interference circuits, which are particularly practical for the survey and maintenance of urban pipeline networks. 5. The transmitter adopts LCD display, which improves the output accuracy and instrument performance. 6. The instrument is equipped with a special protection and automatic adjustment function to overcome the fatal weaknesses of similar products. 7. The circuit of the instrument adopts a modular structure and three proof design, which greatly improves the field service life and reliability of the instrument. |
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Main technical specifications of SL-6 metal pipeline anti-corrosion detection instrument |
| 1. Leak detection accuracy: ≥ 0.25mm2； 2. Position deviation: ＜ 20cm； 3. Accuracy:> 98% 4 Scope of application: Underground anti-corrosion metal pipelines of various diameters for oil, gas, water, etc. （1） Technical specifications of transmitter: 1. Transmission power: ≥ 25W, adjustable; 2. Transmission frequency: 1K ± 0.1Hz, beat frequency 1-2Hz; 3. Output impedance matching: 0-100 Ω; 4. Launch distance: 50m-5Km (can be moved step by step beyond 5 kilometers); 5. Working current: ≤ 3A, 1-3A adjustable; 6. Working power supply: 12V (cadmium nickel battery or car power supply); 7. Weight: 2.8Kg (excluding battery weight); 8. Dimensions: 99 × 220 × 220 （2） Technical specifications of the detector: 1. Sensitivity: 0.1mV; 2. Deviation in direction and position: ＜ 10cm； 3. Detection depth: ≤ 5m； 4. Working power supply: 6V cadmium nickel battery pack; 5. Weight: 0.9Kg; 6. Dimensions: 165 × 135 × 69. （3） Technical specifications of leak detector: 1. Leak detection accuracy: ≥ 0.25mm2； 2. Leak detection depth: ≥ 0.5m； 3. Position deviation: ＜ 20cm； 4. Working power supply: 6V cadmium nickel battery pack; 5. Weight: 0.9Kg; 6. Dimensions: 165 × 135 × 69. |
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Detection principle and method of SL-6 metal pipeline anti-corrosion detection instrument |
| By sending a 1KHz electromagnetic wave signal to the underground pipeline, the detector uses the principle that when the probe is perpendicular to the magnetic field lines and tangent to the ground plane, the received signal is the smallest (almost zero) to determine the direction and depth of the pipeline. Leak detection principle: By sending an AC signal source to the underground pipeline, when the anti-corrosion layer of the underground pipeline is corroded, the metal part at that location is short circuited with the ground, forming a current loop at the leakage point. The generated leakage point signal is radiated to the ground, and the radiation signal is maximized directly above the leakage point. Based on this principle, the leakage point can be accurately found. Leak detection method: The "human body capacitance method" is used, which uses the human body as the sensing element of the leak detector. When the leak detector reaches the vicinity of the leak point, the leak detector begins to react. When it reaches directly above the leak point, the sound of the horn is the loudest, and the meter head indicates the loudest, thus accurately finding the leak point. |
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