Author: Noyafa–Cable Tester Suppliers
The vast majority of underground pipelines are metal materials, which can transmit electromagnetic waves inductively. With its superior performance and flexible and convenient detection methods, underground pipeline detectors are widely used in electric power, telecommunications, water supply, heat, gas, petroleum, chemical industry, urban public utilities, etc. The field has a large number of users, which has played a positive role in improving the pipeline management level of related industries in my country. The characteristics of the underground pipeline detector are: multi-function measurement and easy operation. Stable performance, full digital control, sufficient power, long continuous use time, portable design of equipment, suitable for field operations.
Under the condition of no excavation, not only can the position of the buried pipeline be accurately measured, but also the damaged point can be accurately located. Effective detection can be carried out even for pipelines with branch pipes or networks. Thereby drawing a precise pipeline network diagram, which provides strong support for urban construction and pipeline maintenance.
Auxiliary functions of underground pipeline detector 1. Automatic adjustment of receiving gain: Automatically adjust the gain of the receiver to make the receiver in an optimized state, eliminating the cumbersome manual adjustment. 2. Sound function: The change of the tone emitted by the receiver through the speaker directly reflects the measured signal size. 3. Pipeline status detection: When the transmitter is in injection mode, it first detects the insulation resistance and residual voltage of the pipeline, and then applies the signal to the target pipeline.
When the insulation resistance on the pipeline is small (near short-circuit to ground), the transmitter will automatically exit this mode. When the residual voltage is large, the transmitter will give an alarm, and the operator should immediately stop the signal loading and turn off the transmitter. 4. Battery power detection: real-time detection of battery power, when the power is low to the protection value, it will send an alarm and automatically shut down. 5. Power saving function: After the transmitter is turned on for about 30 seconds without pressing other keys, and after the receiver is turned on, if no other keys are pressed for about 10 minutes, the machine will automatically shut down to save battery power.
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