Cable route finder/Underground cable comprehensive detector/Optical cable breakpoint routing detector
KD-2191 intelligent cable integrated detector is a path detection instrument with strong comprehensive performance. It has many functions such as pipeline path detection, cable identification, ground resistance test, insulation resistance test and so on. The instrument is composed of transmitter, transmitting current clamp, receiver, receiving flexible current clamp, connecting test line, stethoscope, etc.
Pipeline path detection can be used for metal pipeline, underground cable path detection, pipeline survey and depth measurement under the condition of non-excavation. The instrument uses a variety of filter technology, has a certain anti-interference ability, can accurately locate and sounder, suitable for underground metal pipeline detection and inspection, pipeline management and maintenance, municipal planning and construction, power supply and other departments of the pipeline detection, is one of the pipeline maintenance units of the standing instruments. This function is realized by a signal transmitter, a receiver, a signal transmitting clamp and a connected test line.
Technical specification
Receiver specification
Function: Pipeline detection (cable position tracking, direction display, depth measurement, current measurement), cable identification, ground resistance testing, external voltage testing
Power source: 7.4V DC 2600mAh rechargeable lithium battery
Input mode: built-in receiving coil, flexible caliper, stethoscope
Receiving frequency: Active detection frequency: 640Hz, 1280Hz, 10kHz, 33kHz, 82kHz, 197KHz
Power frequency passive detection frequency: 50Hz and 250Hz
Rf passive detection frequency band: the center frequency is 33kHz, 82kHz
Pipeline detection mode: wide peak method, narrow peak method, sound valley method
Pipeline detection display: classic positioning mode, full screen signal mode, signal curve mode
Pipeline detection
Detection range: Direct connection method: generally can reach the cable length 0-20 km, mainly determined by the grounding resistance, cable resistance and cable buried depth
Coupling method: The cable length can generally be reached 0-10 km, mainly determined by the grounding resistance, cable resistance and cable buried depth
Induction method: Applicable to cables with a buried depth of less than 2m
Depth accuracy: Plane position precision Positioning accuracy: central axis position of the target cable or pipeline: Plus or minus 2.5%
Sound indication: frequency modulation tone that varies with signal strength
Interference distance: When using the coupling method and induction method, the transmitter will generate interference in a short distance, and the distance of interference is related to the transmission power and frequency, the greater the power and the higher the frequency, the stronger the interference.
The minimum distance between receiver and transmitter often needs to be determined experimentally:
Pipeline detection: No interference can be confirmed beyond 5m by coupling method and 20m by induction method
Cable identification: No interference can be confirmed beyond 2~5m by coupling method
Cable identification: identification method: flexible caliper intelligent identification, stethoscope identification;
Number of calibration cables: 1 ~ 10;
Calibration value: the percentage of current between the received signal and the transmitted signal is between 75%-135% of the calibration value. Directionality: The transmitting clamp, receiving clamp and loading signal must be in the same direction, which is one of the conditions for successful identification
Cable identification
Detection range: Direct connection method: can identify the loop resistance of 0Ω ~ 8kΩ signal (generally can reach the cable length 0-20 km, mainly determined by the ground resistance and cable resistance) Coupling method: can identify the circuit resistance of 0Ω ~ 200Ω signal; (Generally, the cable length can reach 0-6 km, mainly determined by the grounding resistance and cable resistance)
Cable route finder/Underground cable comprehensive detector/Optical cable breakpoint routing detector
Ground resistance :
Test range: 0.001Ω~2.00kΩ
Test method: precision 4-line measurement
Test current: 6.00mA Max
Voltage measurement: Range: AC0~600V
Accuracy: ±2%±3dgt
LCD: 3.5 "color screen LCD
Size: Approx. 290mm(L)×128mm(W)×700mm(H)
Mass: 1.90Kg
Charger: DC8.4V, 1A
Lighting power: 1WMAX
Interface: 1X mini-B USB port (for firmware upgrade)
1X DC charging port
1X flexible caliper connected to socket
2X External voltage test cable connection interface
4X Ground resistance test cable connection interface Flexible current clamp: length about 620mm, wire diameter about 8mm
Coil inner diameter: φ200mm (larger diameter can be customized according to need)
Stethoscope size: length and width about 111mm×60mm×27mm (stethoscope optional)
Lead length: stethoscope lead length: about 3m
Test cable: 1X Yellow
test cable 15m
1X Red test cable 10m
1X Green test cable 3m
1X Black test cable 3m
Working temperature and humidity: -10ºC ~ 40ºC; Less than 80%Rh Storage temperature and humidity: -10ºC~50ºC, ≤ 95%RH, no condensation
Pressure resistance: AC2000V/rms(before the front and rear ends of the housing)
Suitable for safety: IEC61010-1 CAT 600V, IEC61010-031, IEC61326, pollution level 2
Transmitter specification
Function: multiple frequency signal transmission mode, insulation resistance test
Power source: 11.1V DC 5200mAh rechargeable lithium battery
Output mode: direct output, induction, caliper coupling
Output frequency: 640Hz, 1280Hz, 10kHz, 33kHz, 82kHz, 197kHz Output power: 10W MAX, 10 speed adjustable, automatic real-time impedance matching
Direct connection output voltage: 150Vpp MAX
Circuit protection: overload and short circuit protection
Insulation resistance Output voltage: 100V, 250V, 500V, 1000V, 2500V
Insulation resistance
Measuring range: 0.01MΩ~25.0GΩ : ±3%rdg±5dgt
25.0GΩ~ 2.50TΩ : ±15%rdg±5dgt
LCD: 5.6-inch LCD color screen LCD
Instrument size: 320mm(L)×275mm(W)×145mm(H)
Mass: Transmitter 3.85Kg; Launching clamp 1.12kg
Charger: DC 12.6V, 1A
Launching clamp size: Length, width and thickness 250mm×140mm×35mm
Inside diameter of firing clamp: φ105mm
Wire length of launching clamp: 3m
Test line: red test line 3m, green test line 3m, black test line 3m
Interface: 1X Type-B USB port (for firmware upgrade)
1X DC charging port
1X signal transmitter clamp is connected to the socket
2X Directly connects the test cable interface
3X insulation resistance test cable interface
Pressure resistance: The transmitter adopts the integrated special tool box design, the box can withstand about 200kg of pressure
Pressure resistance: AC 3700V/rms(before top and bottom of instrument box)
Electromagnetic characteristics: IEC61326(EMC)
Suitable for safety: IEC61010-1(CAT 300V, CAT IV 150V, pollution level 2)
Cable route finder/Underground cable comprehensive detector/Optical cable breakpoint routing detector
The instrument has the following features:
1. Multiple detection modes: classic positioning mode, full-screen signal mode, signal curve mode;
2. Classic positioning mode: compass, direction and signal amplitude display, visually display the left and right directions of the pipeline.
3. Full-screen signal mode: 360° multi-directional pipeline path indication, continuous display of depth, current and relative position of the pipeline. The interface is simple and intuitive, requiring no experience to operate
4. Signal curve mode: Displays the historical signal strength curve. Find the cable position by observing the change of the curve.
5. Current direction determination (part of the frequency), by calibrating the current direction, eliminate the interference of the line, to prevent tracking errors.
6. Pipeline analog line color real-time display signal interference intensity.
7. Built-in sweep frequency test function, the user can choose the appropriate signal frequency for pipeline measurement through the sweep frequency result, to avoid the same frequency interference.
8. Digital high-precision sampling processing: stable and reliable, high sensitivity, narrow receiving pass band, strong anti-interference ability, can fully suppress the power frequency and harmonic interference of adjacent running cables and pipelines.
9. Multiple detection frequencies: active detection and passive detection. 10. Transmitter a variety of signal output: direct output, caliper coupling, induction method.
11. Transmitter digital amplifier high power output, automatic impedance matching, automatic protection.
12. Built-in high light under the instrument for easy night operation.
Cable identification is designed for power cable engineers and cable workers to solve the technical problems of cable identification. Live cables and blackout cables can be identified. The user can accurately identify one of the target cables from multiple cables through the instrument to avoid serious accidents caused by missawing live cables.
During cable identification, 10 cables can be pre-calibrated at the transmitting end, and then received at the remote end for recognition, which greatly saves the engineering personnel's round-trip operation time and improves work efficiency. √ for successful cable identification, × for non-target cables, which can quickly and automatically identify target cables. This function is realized by a signal transmitter, receiver, signal transmitting clamp, connection test wire, flexible caliper and stethoscope. A stethoscope can be used when calipers are not convenient.
The ground resistance test uses precision 4-wire method to measure the ground resistance in the field, and introduces FFT(Fast Fourier Transform) technology and AFC(automatic frequency control) technology to automatically identify interference and select the measurement frequency, so as to minimize the impact of interference. Rated output maximum current 6mA, measuring range 0.001Ω~2000Ω. The function is realized by the combination of the receiver and the connected test line.
Cable route finder/Underground cable comprehensive detector/Optical cable breakpoint routing detector
Insulation resistance test is specially used for laboratory or field insulation test. It is suitable for measuring the resistance value of various insulating materials and the insulation resistance of transformers, motors, cables and electrical equipment. Embedded high precision micro current measurement system, digital boost system, automatic discharge circuit, etc. The rated output voltage ranges from 100V to 2500V, and the insulation resistance ranges from 0.01MΩ to 2.50TΩ. The function is realized by the signal transmitter and the connection test line.
Signal transmitter: Used for pipeline path detection, cable identification and insulation resistance testing. The device can add identification signal to the target cable through direct output, caliper coupling, induction, etc. The signal has 6 different mixed pulse signals such as 640Hz, 1280Hz, 10KHz to choose from. Signal output power maximum 10W, 10 adjustable. Therefore, it can adapt to different application environments and make pipeline detection and cable identification more accurate and reliable. Instrument built-in high power rate can be rechargeable lithium battery, automatic impedance matching, automatic protection. Transmitter adopts integrated special tool box design, the box can withstand about 200kg of pressure, the host 5.4 inch color L LCD display, real-time dynamic display signal output and battery usage.
Launching clamp: suitable for caliper coupling method. The transmitter clamp couples the signal sent by the transmitter to the target cable. The clamp mouth size is Φ125mm. The transmitter clamp is directional, and the transmitting signal flows in the direction indicated by the arrow on the transmitter clamp.
Receiver: Used for pipeline path detection, cable identification and ground resistance testing. Built-in multiple shielded 3D antennas can effectively identify 6 different pulse code current signals generated by the transmitter, such as 640Hz, 1280Hz and 10KHz. It can also recognize 50Hz and 250Hz power frequency signals and RF signals with center frequencies of 33kHz and 82kHz. Using a 3.5 inch color LCD screen, real-time dynamic display of 360° multi-directional pipeline path indication, depth, current and relative pipeline position.
Cable route finder/Underground cable comprehensive detector/Optical cable breakpoint routing detector
Flexible current clamp: Used for cable identification. The current clamp is a Lockhart coil with transient tracking capability to quickly identify the pulse-code current generated by the transmitter and is suitable for thick cables or irregularly shaped conductors. The inner diameter of the pliers is about 200mm, and the cables below Φ200mm can be clamped without disconnecting the line under test, non-contact measurement, safe and fast.
Stethoscope: Used for cable identification. Similar to the shape of a mouse, it can quickly sense and recognize the current signal in the transmitter or cable, and the curved sensor design is fitted to the cable surface. With the transmitter and receiver of this product, it can realize most functions of the flexible current clamp, and can replace the flexible current clamp for cable identification in most occasions. When in use, the stethoscope can be pressed close to the cable to be measured, which is suitable for some occasions where it is not easy to use the current clamp to ring up the cable test.
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