Hz-4000A High Precision Underground Metal Pipe Line and Cable Detector
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Product Highlights
- Lifetime Warranty Coverage: Provides lifetime maintenance for all mechanical defects.
- Full-Frequency Coverage: Supports frequencies from 50Hz to 83KHz for various environments.
- Energy Efficient Design: Lithium battery saves 3000-5000 RMB annually in battery costs.
- DSP Processor Technology: Features DSP processors for higher calculation speed and accuracy.
- Multiple Output Modes: Offers induction, direct link, and clamping output modes.
- Customization Available: Supports OEM, ODM, and full customization from samples or designs.
- CE Certified Quality: Meets ISO9001:2008 quality standards and holds CE certification.
Product Attributes
- Customization
- Available
- After-sales Service
- Yes
- Warranty
- Lifetime Maintance
- Model NO.
- HZ-4000A
- Connectors
- USB
- Test Mode
- Point Test
- Usage
- Digital Cable Tester
- Test Region
- Forming Cable
- Cable Type
- Coax
- Power
- Electronic
- Certification
- CE
- Customized
- Customized
- Name
- Cable and Metal Pipeline Detector
- Power Versions
- 1 Watt, 3 Watt and 10 Watt
- Locate Accuracy
- ± 5% of Depth
- Depth Measurement Precision
- ± 3%
- Active Frequencies
- 15
- Output Power
- Max 10W
- Transport Package
- Standard Carton/ Box Customer OEM Packing Is Also
- Specification
- 700mm*270mm*120m
- Trademark
- Huazheng
- Origin
- China
- HS Code
- 9031900090
- Production Capacity
- 500/Month
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Hz-4000A High Precision Underground Metal Pipe Line and Cable Detector
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Product Description
[Scope of Application]
HZ-4000A full-frequency pipeline detector is the preferred equipment specially detecting various kinds of pipelines for oil (gas) transportation, water supply, drainage, gas, heat, and industry, etc. and various cables for electricity and telecommunication, etc. used by such underground pipeline design organizations as professional pipeline detection, pipeline management and maintenance, municipal administration planning and construction, power supply, building and construction. It's also the optimum replacement for traditional underground pipeline detectors.

[Characteristics]
1. Adoption of DSP processors, having a higher calculation speed and accuracy;
2. The orientation function available to indicate the pipeline running, making location faster;
3. The 10W broadband transmitter used, applicable to various environments;
4. The Lithium battery pack used to supply power for both the receiver and the transmitter, being energy-efficient and environmental-friendly, able to save battery costs of RMB 3000 to 5000 yuan annually.
[Working Principles]
The full-frequency detector detects underground pipelines electromagnetically, which applies signals to metal pipelines through the transmitter, generates the piping currents in metal pipelines and the secondary magnetic field around pipelines, and measures the secondary magnetic field of pipelines on the ground through the receiver, in order to accurately determine the location, buried depth, running direction, route and signal current intensity of pipelines.
[Technical Parameters]
Transmitter:
Function: to apply the location signal of a certain frequency onto pipelines
Output modes: induction, direct link, clamping
Working frequencies: 128Hz, 512Hz, 1KHz, 2KHz, 8KHz, 33KHz, 65KHz, 83KHz
Frequency configuration at various modes:
Induction mode:65KHz, 83KHz
Direct link mode:128Hz, 512Hz, 1KHz, 2KHz, 8KHz, 33KHz, 65KHz, 83KHz
Clamping mode:33KHz
Maximum power output:10W
Maximum voltage output:60V
Maximum current output:1A
Power supply: dual power supply, Lithium battery pack (energy-efficient and environmental-friendly)
Continuous working time:
1W 12 hours
5W 8 hours
10W 5 hours
Weight:2.6Kg
Ambient temperature:-20ºC-50ºC
Quality standard:ISO9001:2008
Receiver:
Purpose: location of underground pipelines and cables (able to measure the position, running direction, depth, and current of underground pipelines)
Location modes:
Peak mode: two horizontal coils used
Broad peak mode: one horizontal coil used
Valley mode: one vertical coil, having the function of left and right orientation
Receive frequencies: 50Hz, 100Hz, radio, 128Hz, 512Hz, 1KHz, 2KHz, 8KHz, 33KHz, 65KHz, and 83KHz
Gain control: automatic gain, range of 0-100dB
Location accuracy: 5% of depth (range of depth: 0-3m)
10% of depth (range of depth: >3m)
Measurement accuracy of currents: ≤5% of actual current
Range of measurement: 0-6m
Power supply: Lithium battery pack (energy-efficient and environmental-friendly)
Working time: an average of 8 hours
Weight: 1.8kg
Ambient temperature: -20ºC-50ºC
Quality standard: ISO9001:2008
[Standard Configuration]
10W broadband large-power transmitter, full-frequency receiver, clamp, direct link line, earthing bar, transmitter charger, receiver charger, packing box, and user's manual
[Packing List]
| No. | Item | Qty |
| 1 | Transmitter | 1 |
| 2 | Detector | 1 |
| 3 | Clamp forceps | 1 |
| 4 | Output line | 1 |
| 5 | Grounding rod | 1 |
| 6 | Transmitter charger | 1 |
| 7 | Receiver charger | 1 |
| 8 | Magnet | 1 |
| 9 | File file | 1 |
Company Information
HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China.
What's more, our customers come from different countries like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on.
Our main products are Insulation Oil Tester, Cable Fault Locator, Power Quality Analyzer, High Voltage Generator, High Voltage Capacitor, Testing Transformer and so on.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR246684". Items marked "" are certified.
Company Profile
Who We Are
Huazheng Electric Manufacturing (Baoding) Co., Ltd. Was established on March 13, 2008, and is headquartered in the High-Tech Development Zone of Baoding, Hebei Province, China - a major hub for power equipment manufacturing with convenient access to Beijing and international logistics channels.
We are a manufacturer and factory specializing in the research, development, production, sales, and after-sales support of electrical power testing instruments and related equipment. From compact field instruments to integrated test systems, Huazheng Electric supports utilities, transformer manufacturers, oil laboratories, EPC contractors, maintenance teams, and research institutes worldwide.
Our team of 24 dedicated professionals covers R&D, production, quality control, sales, and technical service. Despite our focused scale, we maintain strong engineering capability, disciplined manufacturing processes, and responsive customer support. Every product reflects our commitment to accuracy, reliability, and practical usability in real field and laboratory conditions.
Huazheng Electric operates under a general manager responsibility system with clearly defined departments including R&D, production, QC, procurement, sales, and service. We combine manufacturing strength with continuous product innovation, and we work closely with universities and industry partners such as North China Electric Power University and Hebei University on technology development and application.
As a qualified supplier to State Grid Corporation of China, we have extensive experience meeting the rigorous requirements of national power utilities. Our instruments are widely used across China and exported to international markets, where buyers value our combination of technical performance, competitive pricing, and dependable service.
Our Promise: People-oriented service, customer-first support, and mutually beneficial long-term partnerships.
Quality & Certifications
ISO 9001: 2015 - Quality management system
CE Marking - For export to European and international markets
Standards - IEC, ASTM, IEEE, GB (design and testing)
Primary Application Sectors
National and regional power utilities and grid companies
Transformer manufacturers and repair workshops
Switchgear and circuit breaker manufacturers
Cable manufacturers and installation contractors
Petrochemical and industrial enterprises with critical electrical assets
Third-party testing laboratories and certification bodies
Universities and research institutions
EPC companies involved in substation and power plant construction
Main Products:
Transformer Oil Test Series
Transformer Test Series
High Voltage Test Series
Circuit Breaker Test Series
Relay Protection Test Series
Insulation Resistance Test Series
Power Quality Analysis Series
CT & PT Analysis Series
Energy Meter Calibration Series
Cable Fault Location Series
Transformer Oil Filtration Series
Battery Test Series
Partial Discharge Test Series
SF6 Gas Test Series
Petroleum Product Test Series
Visit Us
Huazheng Electric Manufacturing (Baoding) Co., Ltd. Welcomes buyers, agents, and partners to visit our factory or connect with us online.
Address: No. 3, Building 9, High-Tech Digital Valley, No. 3099, Xiangyang North Street, Baoding, Hebei, China
Whether you need a single transformer oil BDV tester, a VLF hipot tester for your cable testing program, a relay protection tester for substation maintenance, or a complete transformer test bench, Huazheng Electric is ready to support your project with professional instruments and dependable service.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory
- Address
- No. 3, Building 9, High-Tech Digital Valley, No. 3099, Xiangyang North Street, Baoding, Hebei, China
-
Plant Area
- 700 square meters
-
Number of Employees
- 24
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Transformer Tester, Transformer Oil Tester, Relay Tester, High Voltage Tester, Circuit Breaker Tester
-
Production Lines
- 10
-
Production Machines
- Lathe, Bench Drilling Machine, Electric Tool, Electric Soldering Iron, Winder, Super Mute Terminal Machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2008-03-13
-
Export Year
- 16 years
-
Main Markets
- South America
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 13
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- What is the warranty period for this detector?
- We provide a lifetime maintenance warranty for this product.
- Can the product be customized?
- Yes, we offer full customization, minor customization, and customization from samples or designs.
- How long does the battery last?
- Continuous working time varies by power: 12 hours at 1W, 8 hours at 5W, and 5 hours at 10W.
- What are the available output modes?
- The transmitter supports induction, direct link, and clamping modes.
- What is the minimum order quantity?
- The minimum order quantity is 1 set.
- What is the average lead time for delivery?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- What payment methods are accepted?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
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Product Groups
- Transformer Oil Tester Series
- High Voltage Test Set Series
- Transformer Test Equipment Series
- Transformer Oil Purifier
- Primary And Secondary Current Injection Test Set
- Circuit Breaker Tester
- CT PT Analyzer
- Partial Discharge Tester
- SF6 Gas Analyzer
- Cable Tester Series
- Arrester Tester
- Insulation Resistance Tester
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