KYORITSU HIGH VOLTAGE INSULATION TESTER KEW 3125B
- Insulation Resistance: Up to 1TΩ
- Test Voltage: 250V to 5000V
- Diagnostic Functions: PI and DAR
- Safety Standard: IEC 61010-1
Did you like this product? Add to favorites now and follow the product.
(+86) 132-6243-8118 Start Live Chat
Description
The Cornerstone of Electrical Safety: Unveiling a High-Voltage Insulation Tester
The intricate world of electrical systems, from industrial power grids to residential wiring, is a testament to human ingenuity. Yet, with great power comes the paramount responsibility of ensuring safety and reliability. At the heart of this responsibility lies a crucial piece of diagnostic equipment: the high-voltage insulation tester. This device is not merely a tool; it is a guardian, a silent sentinel that confirms the integrity of electrical insulation, thereby preventing catastrophic failures, fires, and dangerous electrical shocks. It’s an instrument designed for the discerning professional who understands that compromise is not an option when it comes to safety. The robust and ergonomic design of this particular model sets a new benchmark in the industry, offering a perfect blend of durability and user-friendliness. Its construction is a direct response to the demands of real-world applications, where instruments are subjected to harsh conditions and constant use. The device’s tough hard case is a testament to its resilience, providing superior protection against impacts, dust, and moisture, ensuring that it remains a reliable partner for years to come. This commitment to quality and longevity is what makes it a de facto standard in the field, a reputation earned through a consistent track record of accurate and dependable performance.
A De Facto Standard for High-Voltage Testing
In the realm of high-voltage testing, where precision and reliability are non-negotiable, this insulation tester has emerged as a de facto standard. Its reputation is built on a foundation of superior technical specifications and an unwavering commitment to safety. The device’s ability to measure insulation resistance up to a staggering 1 TΩ (teraohm) sets it apart, allowing for the meticulous analysis of even the most robust insulation systems. This wide measurement range is crucial for a variety of applications, from verifying the integrity of high-voltage cables in power substations to assessing the condition of motor windings in large industrial machinery. The short-circuit current of up to 1.5mA is another critical feature, providing a robust test signal that can effectively stress the insulation to reveal potential weaknesses without causing damage. The ability to apply a wide range of test voltages, from 250V to 5000V, provides unparalleled versatility, allowing a single device to be used across a broad spectrum of testing scenarios. This flexibility eliminates the need for multiple instruments, simplifying the technician’s toolkit and streamlining the testing process. The inclusion of diagnostic functions such as Polarization Index (PI) and Dielectric Absorption Ratio (DAR) further solidifies its status as an industry leader. These advanced tests provide invaluable insights into the long-term health of insulation, helping professionals predict and prevent future failures.
The Power of PI and DAR Diagnostics
Beyond simple resistance measurements, the true power of this insulation tester lies in its advanced diagnostic capabilities. The Polarization Index (PI) and Dielectric Absorption Ratio (DAR) functions are sophisticated tools that offer a deeper understanding of insulation quality. The PI test, conducted by measuring the insulation resistance at 1 minute and 10 minutes, provides a ratio that indicates the level of moisture and contamination within the insulation. A high PI value suggests clean, dry insulation, while a low value may signal a problem. This test is particularly useful for assessing the condition of large electrical equipment like transformers and motors. The DAR test, a similar but shorter test (measuring resistance at 30 seconds and 1 minute), is ideal for evaluating smaller motors and equipment. These diagnostic functions are crucial for predictive maintenance, allowing technicians to identify potential issues before they escalate into costly and dangerous failures. The device’s newly-designed alligator clips ensure a secure and reliable connection, minimizing measurement errors and improving the overall safety of the testing process. The robust hard case, included as a standard accessory, is a testament to the manufacturer’s commitment to providing a complete and professional solution.
Specialized Applications for This Product
The versatility of this high-voltage insulation tester makes it an indispensable tool across numerous industries and specialized applications. In the power generation and distribution sector, it is used to test the integrity of high-voltage cables, transformers, and switchgear, ensuring the reliable and safe delivery of electricity. Maintenance technicians in manufacturing plants rely on it to assess the condition of motor windings, generators, and industrial control systems, preventing unexpected downtime and expensive repairs. In the railway industry, it is crucial for verifying the insulation of signaling equipment, traction motors, and power supply systems, ensuring the safety of passengers and the smooth operation of trains. Furthermore, in the telecommunications and data center sectors, this device is used to test the insulation of power cables and backup power systems, safeguarding critical data and network infrastructure. The filter function, which reduces noise interference, is particularly useful in electrically noisy environments, ensuring stable and accurate measurements. The large display with a bar graph indication and backlight further enhances its usability, allowing technicians to read measurements easily, even in poorly lit conditions.
Noise Reduction and Display Enhancements
The pursuit of accuracy is a constant challenge in electrical testing, especially in environments filled with electromagnetic noise. This insulation tester addresses this challenge head-on with its advanced filter function, which effectively reduces noise interference to ensure stable and reliable measurements. This is a critical feature in industrial settings where a multitude of electrical devices can create a cacophony of noise, potentially skewing test results. The filter function acts as a digital sieve, separating the genuine test signal from the surrounding noise, thereby providing technicians with a clean and trustworthy reading. The user experience is further enhanced by a large display that features a clear bar graph indication and a backlight. The bar graph provides a quick visual representation of the insulation resistance, allowing for easy trend analysis and identification of rapidly changing values. The backlight ensures that the display is easily readable in all lighting conditions, from bright sunlight to the dimly lit interior of a transformer substation. This thoughtful design, combined with a live voltage warning, underscores the device’s commitment to both accuracy and user safety. The live voltage warning alerts the user to the presence of a hazardous voltage, preventing accidental contact and potential injury.
A Global Leader in Quality and Safety
This high-voltage insulation tester is more than just a piece of equipment; it is a symbol of quality, reliability, and safety. Its design and functionality are a direct result of adherence to the most stringent international standards, including IEC 61010-1 CAT IV 300V / CAT III 600V. This compliance ensures that the device can be used with confidence in high-voltage environments, providing a level of protection that is essential for both the user and the equipment being tested. The product’s global appeal is matched by the superior service and support offered by tpt24, which stands as the premier online store for this exceptional product. tpt24 is the leading online retailer of this insulation tester, renowned for its commitment to customer satisfaction and product authenticity. When you purchase this device from tpt24, you receive it with a guarantee of authenticity and quality, no matter where you are in the world. Their streamlined international shipping process ensures that this critical piece of equipment can be delivered to you in any country, ready to be put to work in the field. This global reach and unwavering dedication to quality make tpt24 the top choice for professionals seeking the very best in electrical testing equipment.
The Technical Specifications and Accessories
The technical prowess of this insulation tester is evident in its detailed specifications. It offers a comprehensive range of test voltages, each with a corresponding measurement range and a high degree of accuracy. For example, at a test voltage of 5000V, the device can measure insulation resistance from 0.0 to 1000GΩ, with an accuracy of ±5%rdg ±3dgt for most of the range, and a ±20%rdg for values over 100GΩ. The short-circuit current is a robust 1.5mA, and the rated test currents are precisely calibrated for each voltage level, ensuring consistent and reliable results. The device also includes a voltage measurement function, capable of measuring both AC (30 to 600V) and DC (±30 to ±600V) voltages with an accuracy of ±2%rdg ±3dgt. Powered by eight LR14/R14 batteries, it is designed for portability and long-lasting use. Its dimensions, 177(L) × 226(W) × 100(D) mm, are compact for a high-voltage tester, and the hard carrying case provides additional protection and portability. The standard accessories, including a line probe, earth cord, guard cord, and hook-type prod, provide a complete solution out of the box, while optional accessories like longer probes and a recorder adaptor offer further customization and functionality.
Ensuring Electrical Integrity and Long-Term Reliability
In conclusion, this high-voltage insulation tester is an essential tool for any professional working with electrical systems. It is a device that embodies the principles of safety, precision, and durability. Its robust design, combined with advanced diagnostic features like PI and DAR, makes it a de facto standard in the industry. The specialized applications it serves, from power grids to industrial motors, highlight its versatility and importance. The commitment to user safety, evident in features like the live voltage warning and adherence to international safety standards, provides peace of mind in high-risk environments. The superior service and global reach of tpt24, the best online store for this product, ensure that professionals everywhere can acquire this instrument with a guarantee of authenticity and quality. With its comprehensive technical specifications and included accessories, this insulation tester is a complete solution for anyone serious about electrical integrity and long-term reliability. It is an investment in safety, and a testament to the importance of proactive maintenance in the modern electrical landscape.
Specifications
Insulation resistance |
|||||
|---|---|---|---|---|---|
| Test voltage | 250V | 500V | 1000V | 2500V | 5000V |
| Measuring range | 0.0 to 100.0MΩ | 0.0 to 99.9MΩ 80 to 1000MΩ |
0.0 to 99.9MΩ 80 to 999MΩ 0.80 to 2.00GΩ |
0.0 to 99.9MΩ 80 to 999MΩ 0.80 to 9.99GΩ 8.0 to 100.0GΩ |
0.0 to 99.9MΩ 80 to 999MΩ 0.80 to 9.99GΩ 8.0 to 99.9GΩ 80 to 1000GΩ |
| Accuracy | ±5%rdg±3dgt | ±5%rdg±3dgt | ±5%rdg±3dgt | ±5%rdg±3dgt | ±5%rdg±3dgt ±20%rdg (100GΩ or more) |
| Short circuit current | 1.5mA | ||||
| Rated test current | 0.7 to 0.9mA at 0.25MΩ load |
0.8 to 1mA at 0.5MΩ load |
1 to 1.2mA at 1MΩ load |
1 to 1.2mA at 2.5MΩ load |
1mA to 1.2mA at 5MΩ load |
| Open circuit current | 250V +10%,-10% |
500V +20%,-10% |
1000V +20%,-0% |
2500V +20%,-0% |
5000V +20%,-0% |
Voltage measurement |
|||||
| Measuring range | 30 to 600V AC (50/60Hz) ±30 to ±600V DC |
||||
| Accuracy | ±2%rdg±3dgt | ||||
| General | |||||
| Applicable standards | IEC 61010-1, 61010-2-030 CAT Ⅳ 300V / CAT Ⅲ 600V Pollution degree 2 IEC 61010-031, IEC 61326-1, 2-2 |
||||
| Power source | DC12V : LR14/R14 × 8pcs | ||||
| Dimension | 177 (L) × 226 (W) × 100 (D) mm 300 (L) × 315 (W) × 125 (D) mm (Carrying case [Hard]) |
||||
| Weight | Approx. 1.9kg (including batteries) Approx. 4kg (including accessories) |
||||
| Accessories | 7165A (Line probe) 7264 (Earth cord) 7265 (Guard cord) 8019 (Hook type prod) 9204 (Carrying case [Hard]) LR14 (Alkaline battery size C) × 8 Instruction manual |
||||
| Optional accessories | 7168A (Line probe with alligator clip) 7253 (Longer line probe with alligator clip) 8302 (Adaptor for recorder) |
||||







Reviews
There are no reviews yet.