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SL-480 underground pipeline detector can not open the casing in the case of convenient and quickly determine the direction of underground metal pipes and cables, location and depth of the instrument is widely used in urban gas, water, railways, factories, mines, Electricity, communications and municipal construction and geological exploration and other departments, for engineering exploration and pipeline maintenance and repair provide the basis.

'Features'
● multi-frequency emission, anti-interference ability, suitable for complex pipeline detection;
● signal application mode for the induction method and the direct connection of two, suitable for different occasions;
● Multiple response modes: double coil peak method, single coil peak method, zero value method;
● A variety of sounding methods: direct reading method, 80% method, 70% method and 50% method;
● Large-capacity battery pack: to meet the long-term work and can be recycled.

'Main Specifications'
● Transmitter power: 10W (0.5-10W, automatic adjustment);
● Operating frequency: Transmitter: 512HZ, 8KHZ, 33KHZ; Receiver: 50HZ, 512H, 8KHZ, 33KHZ;
● depth range: ≤ 5 m;
● depth error: ≤ 5% of the depth;

Horizontal positioning error: ≤ 2% of buried depth.
'Detection principle and method'
Using the principle of electromagnetic induction, through the detection of underground metal pipeline magnetic field distribution to determine the exact location of the underground pipeline, direction and depth.