Model NO.: HZJQ-1B
Control: Manual Control
Weight: 0-100Kg
Power Source: AC220V
Oil Cylinder Position: Top
Oil Cup Capacity: 400ml / 200ml
Hz-381 Type: Single Oil Cup Structure
Testing Time: 6 Times (1~6 Times Optional)
Minimum Resolution: 0.1kV
Insulating Oil Pressure Test: 0-80kV (Optional)
Measurement Resolution: ±(2% * Reading + 0.2kV)
Electrode Distance: 2.5mm (Electrode Gap Can Be Adjusted)
Wave Form Distortion: Less Than 3%
Supply Voltage: AC220V±10% 50Hz±1 Hz
Applicable Humidity: Max Relative Humidity 75%
Trademark: HuaZheng
Transport Package: Wooden Box with Foam Inside
Specification: CE/ISO/IEC
Origin: Hebei, China
HS Code: 9030899090
Promotion Product Portable Lab Equipment Bdv Transformer Oil Tester
I. Introduction
The Insulating Oil Dielectric Strength Tester, also known as an Oil Breakdown Voltage Tester or Oil BDV Tester, is a critical tool used to assess the dielectric strength of transformer oil. This device measures the voltage at which a spark occurs between two electrodes immersed in the oil, separated by a specific gap. A low BDV value typically indicates the presence of moisture and conductive impurities in the oil, which can affect its insulating properties. This kit includes an oil pot equipped with a pair of fixed electrodes spaced 2.5 mm apart (some models may have a 4 mm gap). The test process involves gradually increasing the voltage until breakdown occurs, allowing for accurate evaluation of the oil's quality.

II. Features
1. Capable of withstand voltage testing in the range of 0–80 kV. 2. Equipped with a large-screen LCD for clear display. 3. Simple and user-friendly operation. 4. Stores up to 100 experimental results and displays current temperature and humidity. 5. Easy control throughout the entire testing process. 6. Includes overvoltage, overcurrent, and limiting protection for operator safety. 7. Features temperature measurement and system clock display. 8. Standard RS232 interface for data transfer.
III. Parameters
Output Voltage | 0–80 kV (100 kV available upon special request) |
Applicable Temperature | 0ºC–45ºC |
Voltage Raising Speed | 0.5–5 kV/s (adjustable) |
Applicable Humidity | ≤90% RH, no condensation |
RS232 Interface | LCD Screen |
Boosting Frequency | 1–6 times |
HZ-381 Type | Single Oil Cup Structure |
Measuring Accuracy | ±3% |
Dielectric Strength Tester | Oil Test Equipment |
Certification | CE, ISO |
Oil Test Kit | Insulating Oil Tester |
Standing Time | 15 min (adjustable) |
Speed of Voltage Increase | 0.5–5 kV/s (adjustable) |
IV. Detailed Photos

V. Company Information
HuaZheng Electric Manufacturing (Baoding) Co., Ltd. is a supplier to the State Grid in China, meaning we are a trusted provider to the Chinese government. Our products are widely distributed across China.
Our clients come from various countries such as the United States, England, Bulgaria, Brazil, Chile, Malaysia, Vietnam, and more.
Our main products include Insulation Oil Testers, Cable Fault Locators, Power Quality Analyzers, High Voltage Generators, High Voltage Capacitors, and Testing Transformers.

VI. FAQ
1. Q: What language is the product? After-sales service? Warranty?
A: English version available. We provide after-sales service. Warranty: 1 year.
2. Q: What is the highest voltage the instrument can test?
A: The instrument can test up to 100 kV; OEM options are available.
3. Q: Can it communicate with a computer via RS232?
A: Yes, it supports communication with a computer through an RS232 port.
4. Q: Does it have a battery or liquid? Is it convenient for shipping?
A: It has a small lithium battery, no liquid, so it doesn’t affect delivery.
5. Q: Does this instrument have a printer? Can it print automatically or manually?
A: Yes, you can choose to print the results automatically or manually.
6. Q: How many times can it test in one session? How to get the result?
A: It can test 1–6 times (according to your requirement). The result is the average of all tests.
VII. Customer Visit

VIII. Exhibition

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