Xian Wisdom Underground Cable Fault Detector
Features of HZ-4000 Cable Fault Detector
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Multiple Functions
1 Transmitter: three connection modes: inductive connection, direct connection and clamp connection; suitable for different occasions.
2 The receiver functions: detecting the position,path, depth and tube current of underground pipes and cables.
3 Left and right positioning arrows indicate the target pipeline position fast and accurately; front and rear arrows and dB value indicates the point and size of the coating damage.
4 Backlight suitable for urgent use in the nighttime.
5 Optional GPS geolocation with the automatic mapping of the pipelines.
6 Optional professional data analysis software with the automatic detection report.
7 Unique feature ofHZ-4000: locating the breakdown points (pipeline breakdowns refer to the coating damaged points while electric cable breakdowns refer to the outer layer damages.); detecting the insulation damages of underground pipeline and cable.
8 Measuring the current of the pipeline and cable applied by the transmitter.
9 Multimeter function: measure the output voltage, line voltage, line current, impedance and power; Test the cable continuity and insulation quality before and after cable fault finding.
10 External induction clamp: suitable for testing the cable when they cannot be directly applied to the signal of the place.
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High Location Accuracy
A variety of measurement modes for pipeline positioning (valley mode, peak mode, broad peak mode, peak arrow mode), can verify each other to ensure the accuracy of pipeline positioning.
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Maximum value method: peak mode, broad peak modeand peak arrow mode are available to determine the horizontal component () or horizontal gradient () changes, according to its maximum position to locate;
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Minimum value method: use the valley mode by measuring the vertical component () changes according to its minimum position to locate.
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Measuring the depth
A variety of methods can be used to verify each other.
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double-level coil direct reading method;
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single-level coil 80% method, 50% method;
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45 degrees method
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Strong anti-interference ability
a. Many Observation Parameters: can measure horizontal component (), vertical component () and horizontal gradient ().
b. Large transmission power: the transmitter output power reaches 10W and it could be continuously adjustable.
c. Multiple Working Frequency:
Transmitter frequency: 128Hz, 512Hz, 1KHz, 2KHz, 8KHz, 33KHz, 65KHz, 83KHz.
Receiver frequency: radio, 50Hz, 100Hz, 128Hz, 512Hz, 1KHz, 2KHz, 8KHz, 33KHz, 65KHz, 83KHz.
According to the target pipeline features (material, structure, depth, length, etc.) and the environment to select the appropriate operating frequency.
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Easy Operation
a. Intuitive: use the graphical display to get the sustained and real-time display of various parameters in the detection process and signal strength.
b .Automatic: in the depth measurement, automatic change to the two-level antenna mode and automatic adjustment of the receiver sensitivity so that the measurement signal achieves the best result. The mode returns to the original one after the depth measurement.
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Long continuous working time with the low cost
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