[Features]

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.

Main technical indicators

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, adjustable from 1-3A;
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.