0.1Hz 30kv Vlf Cable Hipot Test Kit with Tan Delta and Pd Measuring
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Product Highlights
- Dual Protection System: Features overvoltage protection (<20ms shutdown) and dual high/low voltage overcurrent protection.
- Accurate High-Voltage Sampling: Current, voltage, and waveform data are directly obtained through high-voltage side sampling for true accuracy.
- No Capacitance Rise Effect: Uses high and low voltage closed-loop negative feedback control circuit to eliminate capacitance rise.
- Integrated Protection Resistor: High-voltage output protection resistor is designed inside the booster, requiring no external connection.
- Flexible Voltage Configuration: Available in 30kV to 90kV models; series combination allows multiple uses for one machine above 50kV.
- Multiple Test Functions: Supports AC withstand voltage, Tan Delta, PD test, and insulation resistance tests depending on model.
- Customization Support: Offers OEM, ODM, and software reengineering support for tailored solutions.
Product Attributes
- Customization
- Available
- After-sales Service
- Yes
- Warranty
- 1 Year
- Model NO.
- KDZD
- Max Diameter of Workpiece
- <500mm
- Mass Scope of Workpiece
- <900kg
- Type
- Universal Testing Machine
- Maxcapacity
- <1000KN
- Accuracy Grade
- 0.5
- Load Way
- Electronic Load
- Loading Method
- Dynamic Load
- Display
- Needle
- Control
- Manual Control
- Weight
- 0-100Kg
- Power Source
- AC220V
- Oil Cylinder Position
- Under
- Carrying Capacity
- 0.1Hz; 0.02Hz; 0.05Hz
- Temperature
- -10 ℃ to+40 ℃
- Usage Conditions
- Indoor and Outdoor
- Voltage Waveform Distortion
- ≤ 5%
- Voltage Positive and Negative Peak Error
- ≤ 3%
- Power Supply
- Frequency 50Hz, Voltage 220V ± 5%
- Output Frequency
- 0.1Hz, 0.05Hz, 0.02Hz
- Customized Support
- OEM, ODM, Obm, Software Reengineering
- Rated Voltage
- 30kv, 50kv, 60kv, 70kv, 80kv
- Humidity
- ≤ 85% Rh
- Measurement Accuracy
- 3%
- Power
- Electronic
- Transport Package
- Box
- Specification
- 50*50*50
- Trademark
- KDZD
- Origin
- Hebei, China
- HS Code
- 9030332000
- Production Capacity
- 2500 Pieces
- Package Size
- 50.00cm * 50.00cm * 50.00cm
- Package Gross Weight
- 25.000kg
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 0.1Hz 30kv Vlf Cable Hipot Test Kit with Tan Delta and Pd Measuring
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Product Description



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Product parameters
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Product Name
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Ultra Low Frequency High Voltage Generator
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Rated voltage
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30kV, 40kV, 50kV, 60kV, 80kV, 90kV, etc
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Measurement accuracy
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3%
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Voltage waveform distortion
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≤ 5%
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Voltage positive and negative peak error
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≤ 3%
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Output frequency
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0.1Hz, 0.05Hz, 0.02Hz
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Product Features
★Current, voltage, and waveform data are directly obtained through high-voltage side sampling, so the data is true and accurate★Overvoltage protection: When the output exceeds the set voltage limit, the instrument will shut down for protection, with an action time of less than 20 milliseconds
★Overcurrent protection: designed as a dual protection of high and low voltage, the high voltage side can be precisely shut down for protection according to the set value; When the current on the low-voltage side exceeds the rated current, shutdown protection will be implemented
★The high-voltage output protection resistor is designed inside the boost, so there is no need to connect another protection resistor externally
★For products with a voltage of over 50kv, the series combination method can achieve multiple uses for one machine, making it extremely convenient to use
★Due to the use of high and low voltage closed-loop negative feedback control circuit, there is no capacitance rise effect in the output
★Measurement accuracy: 2%
★Voltage positive and negative peak error: ≤ 3%
★Voltage waveform distortion: ≤ 5%
★Output frequency: 0.1Hz, 0.05Hz, 0.02Hz
★Power supply: AC 50Hz, 220V ± 5% (generator: AC 50Hz, 220V ± 5%)
★Test time: Handover: 60 minutes
★Prevention: 5 minutes (can run for a long time)
| Model no | Output Voltage/ Current (Peak) |
Load Capacity | Control Unit | Booster(Tank) | Power | ||
| Capacitance/ Freuency |
Net Dim. (cm) |
Net Wt (kg) |
Net Dim. (cm) |
Net Wt (kg) |
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| KDVLF-40 | 40kV/20mA | 0.1Hz-0.01Hz Auto Variable Capacity:≤10µF |
40×31×20 | 6 | 29x15×35 | 25 | 1200W |
| KDVLF-50 | 50kV/20mA | 0.1Hz-0.01Hz Auto Variable Capacity:≤10µF |
40×31×20 | 6 | 29x15×35 | 25 | 1500W |
| KDVLF-60 | 60kV/59mA | 0.1Hz-0.01Hz Auto Variable Capacity:≤5µF at 60kV; |
40×31×20 | 6 | 45×19×36 | 45 | 2000W |
| KDVLF-80 | 80kV/59mA | 0.1Hz-0.01Hz Auto Variable Capacity:≤5µF at 80kV; Capacity:≤10µF for single booster (40/40kV) |
40×31×20 | 6 | 29x15×35 | 25 | 3000W |
| 36x19×45 | 45 | ||||||
| KDVLF-90 | 90kV/59mA | 0.1Hz-0.01Hz Auto Variable Capacity:≤5µF at 90kV; Capacity:≤10µF for single booster (40/50kV) |
40×31×20 |
6 | 29x15×35 | 25 | 3500W |
| 36x19×45 | 45 | ||||||
Function comparison of VLF series models
| Output (Peak) |
Structure | Model no | AC Withstand Voltage Test | Tan Delta Test | PD Test | Capacity (μF) |
Insulation Resistance Test (IR) |
30KV |
1*Controller 1*30KV Booster 1*Capacitor |
KDVLF-30 | √ | X | X | X | X |
| KDVLF-30A | √ | √ | X | √ | √ | ||
| KDVLF-30B | √ | X | √ | √ | X | ||
| KDVLF-30C | √ | √ | √ | √ | √ | ||
40KV |
1*Controller 1*40KV Booster 1*Capacitor |
KDVLF-40 | √ | X | X | X | X |
| KDVLF-40A | √ | √ | X | √ | √ | ||
| KDVLF-40B | √ | X | √ | √ | X | ||
| KDVLF-40C | √ | √ | √ | √ | √ | ||
50KV |
1*Controller 1*50KV Booster 1*Capacitor |
KDVLF-50 | √ | X | X | X | X |
| KDVLF-50A | √ | √ | X | √ | √ | ||
| KDVLF-50B | √ | X | √ | √ | X | ||
| KDVLF-50C | √ | √ | √ | √ | √ | ||
60KV |
1*Controller 1*60KV Booster 1*Capacitor |
KDVLF-60 | √ | X | X | X | X |
| KDVLF-60A | √ | √ | X | √ | √ | ||
| KDVLF-60B | √ | X | √ | √ | X | ||
| KDVLF-60C | √ | √ | √ | √ | √ | ||
70KV |
1*Controller 1*30KV Booster 1*40KV Booster 1*Capacitor |
KDVLF-70 | √ | X | X | X | X |
| KDVLF-70A | √ | X | √ | √ | X | ||
80KV |
1*Controller 1*30KV Booster 1*50KV Booster 1*Capacitor, or 1*Controller 2*40KV Booster 1*Capacitor |
KDVLF-80 | √ | X | X | X | X |
| KDVLF-80A | √ | √ | X | √ | √ | ||
| KDVLF-80B | √ | X | √ | √ | X | ||
| KDVLF-80C | √ | √ | √ | √ | √ | ||
90KV |
1*Controller 1*40KV Booster 1*50KV Booster 1*Capacitor |
KDVLF-90 | √ | X | X | X | X |
| KDVLF-90A | √ | √ | X | √ | √ | ||
| KDVLF-90B | √ | X | √ | √ | X | ||
| KDVLF-90C | √ | √ | √ | √ | √ | ||
| Note: DC leakage current measurement for buyer's option (any type can add this function if required). | |||||||






About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR269044". Items marked "" are certified.
Company Profile
Wuhan Kaidi Zhengda Electric is a high-tech enterprise integrating research and development, production and sales of power testing equipment, instruments and power online monitoring systems. Provide a variety of types of high-tech power testing products, and in high voltage testing to provide users with a full set of electrical test equipment, to solve the power equipment supporting solutions.
The company adheres to the principle of quality first, customer first, service first, quality and efficiency, quality and development, to meet customer requirements as the goal, and dedication to the principle of customer service, based on integrity, speed, high precision, good service spirit, standard, accurate, rigorous to provide services and help for customers. The company's market covers all provinces and regions of the country, and its products are exported to Australia, Russia, India, Pakistan, Vietnam and other countries, which are praised by customers.
Kaidi Zhengda Electric Co., Ltd. In line with the "quality assurance, quality as the root" production philosophy, to provide users with quality products, as well as fast and timely, comprehensive, pre-sale, sale, after-sales service.
About Our Factory & Business Background
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Business Type
- Manufacturer/Factory & Trading Company
- Address
- 4th Floor, Building 12, No. 88, Huanhu Middle Road, Dongxihu District, Wuhan, Hubei, China
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Plant Area
- 1417.43 square meters
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Number of Employees
- 34
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Registered Capital
- 35,000,000 RMB
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Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
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International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
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Average Lead Time
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Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port.Wuhan Port.Shanghai Port.Guangzhou Port.
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Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
-
Main Products
- Series Resonance, Hipot Tester, High Voltage Test Equipment, Cable Fault Locator, Electric Power Analyser
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Production Lines
- 3
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Production Machines
- Assembling production line
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QA/QC inspectors
- 2 people
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Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
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Inspection Method for Finished Products
- Have instructions and uniformly followed
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Customization Options
- Customization from Samples, Customization from Designs
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ODM Service Available
- Yes
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OEM Service Available
- Yes
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R&D Engineers
- 3 people
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Traceability of Raw Materials
- Yes
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Own Brand
- Yes
Our Industry Experience & Global Business Record
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Year of Establishment
- 2013-01-01
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Export Year
- 5 Years
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Main Markets
- North America, Southeast Asia/ Mideast, Australia
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Repeat Buyers Choice
- 30%~50%
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Number of Foreign Trading Staff
- 4
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
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Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001, Others
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Cooperated with Fortune 500
- Yes
FAQ
- What protection features are included?
- It includes overvoltage protection with an action time of less than 20 milliseconds and dual overcurrent protection for both high and low voltage sides.
- Can the output voltage be customized?
- Yes, rated voltages are available in 30kV, 40kV, 50kV, 60kV, 70kV, 80kV, and 90kV, with OEM and ODM support.
- What output frequencies are supported?
- The device supports output frequencies of 0.1Hz, 0.05Hz, and 0.02Hz.
- Is external protection resistor needed?
- No, the high-voltage output protection resistor is designed inside the booster, so no external connection is required.
- What tests can this equipment perform?
- Depending on the model, it can perform AC withstand voltage tests, Tan Delta tests, Partial Discharge (PD) tests, and insulation resistance tests.
- What is the lead time for production?
- The average lead time is within 15 workdays for both peak and off-season periods.
- What is the warranty period?
- The product comes with a 1-year warranty.
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Product Groups
- HV Test Series
- Hipot Tester
- Partial Discharge Test Set
- Primary Current Injection Test Set
- Secondary Injection Relay Tester
- CT PT Analyzer
- Electric Safety Tools Test Equipment
- Insulation Oil Testing Equipment
- Transformer Test Series
- MV&HV Switchgear
- SF6 test instrument
- Cable Fault Locator
Find Similar Products By Category
- Supplier Homepage
- Products
- Hipot Tester
- VLF high voltage Hipot tester
- 0.1Hz 30kv Vlf Cable Hipot Test Kit with Tan Delta and Pd Measuring
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