KYORITSU ANALOG INSULATION TESTER KEW 3431

Description

The Definitive Tool for Electrical Safety

In the modern world, electricity powers everything from our homes to our most complex industrial machinery. Ensuring the safety and reliability of these electrical systems is not just a regulatory requirement; it is a fundamental necessity. The key to this assurance lies in the integrity of electrical insulation. Over time, insulation can deteriorate due to a variety of factors, including heat, moisture, and physical damage. This degradation can lead to short circuits, equipment failure, and, most importantly, a significant risk of electric shock. To mitigate these risks, professionals rely on specialized tools to test insulation resistance. This insulation resistance tester is a prime example of such a device, engineered to provide accurate, reliable, and safe measurements. Its primary function is to apply a test voltage across insulation and measure the resulting current, thereby calculating the resistance. A high resistance value confirms the insulation is in good health, while a low value is a clear warning sign of a potential problem. This device is not just a measuring instrument; it is a critical safety tool that empowers technicians to preemptively identify and address potential hazards before they escalate. Its design philosophy centers on making complex tasks simple, ensuring that professionals can perform their duties with confidence and precision. The compact and user-friendly nature of this tester makes it an indispensable part of any electrician’s toolkit, whether for routine maintenance or troubleshooting unexpected faults.

Designed for Ease and On-Site Work

This insulation resistance tester is a testament to intelligent design, focusing on practical features that enhance user experience and safety. Its compact and lightweight design is one of its most significant advantages, making it incredibly easy to carry and use in confined spaces. Weighing only about 430g, it reduces user fatigue during extended periods of use. The device is also equipped with a scale light and LED spot light, which are essential for working in dimly lit locations or at night. These lights illuminate both the display and the area being tested, ensuring clear visibility of test results and a safe working environment. A smart built-in illuminance sensor takes this a step further by automatically turning the lights on and off, conserving battery power and allowing the user to focus on the task at hand. The test lead with remote control switch set is a standard accessory that significantly improves convenience and safety. This feature allows the user to initiate a test from a distance, which is particularly useful for working on large equipment or in difficult-to-reach areas. For added safety, the device features a live circuit warning with blinking LED and buzzer. This dual warning system—visual and audible—alerts the user instantly if a circuit is live, preventing accidental contact and potential injury. This combination of features makes the device highly practical and safe for professionals working in various challenging environments. The included accessories, such as the test lead with alligator clip (7261A) and extension prod long (8017A), further expand the device’s versatility and ease of use.

Precision and Accuracy in Every Measurement

The technical specifications of this insulation resistance tester reveal a commitment to precision and reliable performance. The device offers three different test voltages: 250V, 500V, and 1000V, providing the flexibility to test a wide range of equipment. The maximum effective scale value for these voltages is 200MΩ, 2000MΩ, and 2000MΩ respectively, with a mid-scale value of 5MΩ, 50MΩ, and 50MΩ. This range and sensitivity allow for accurate measurements across different types of insulation. The first effective measuring range is specified as 0.1 to 100MΩ for the 250V setting and 1 to 1000MΩ for the 500V and 1000V settings, with an impressive accuracy of ±5% of indicated value. This level of precision is crucial for detecting even subtle changes in insulation quality. For other ranges, known as the second effective measuring range, the accuracy is specified at ±10% of indicated value, which is still well within professional standards. A unique and highly useful feature is the LED insulation state indicator, which uses a red/green color to give a quick, visual confirmation of the insulation’s condition based on pre-set thresholds of 0.25MΩ (250V), 0.5MΩ (500V), and 1MΩ (1000V). This provides an immediate go/no-go assessment, speeding up the diagnostic process. The device also includes voltage measurement capabilities, covering both AC and DC 600V, with an accuracy of ±5% of full-scale value, adding to its versatility as a multi-functional testing tool. These features collectively ensure that the device provides not only accurate data but also a straightforward interpretation of the results.

Essential Applications for Professional Electricians

The applications for this insulation resistance tester are broad and critical across various fields of electrical work. It is an indispensable tool for electrical installation and commissioning, where technicians must verify that newly installed wiring and components meet safety standards before the system is energized. By performing insulation resistance tests, they can ensure there are no hidden faults or damage from the installation process. The device is also vital for routine maintenance and preventative testing in residential, commercial, and industrial settings. Regular testing of motors, transformers, and cables can identify insulation degradation before it leads to a catastrophic failure. For example, an electrician can use this tester to check the insulation of a motor’s windings to prevent a costly motor burnout. The device is also invaluable for troubleshooting and fault finding. When a circuit is tripping or an appliance is malfunctioning, the tester can quickly isolate the problem, determining whether the issue lies with faulty insulation. Its ability to perform tests in dimly lit areas makes it perfect for working in attics, basements, and behind electrical panels. In the automotive industry, the tester is used to check the insulation of high-voltage wiring in electric and hybrid vehicles, a growing and critical application. The compact design makes it easy to maneuver in tight engine bays. The optional accessories, such as the L-shaped probe (7243A) and hook type prod (8016), further expand its utility for specialized testing applications.

Built to Meet Global Safety Standards

This insulation resistance tester is not just feature-rich; it is also built to the highest international safety and quality standards, providing peace of mind for its users. The device complies with IEC 61010-1, 2-030 CAT Ⅲ 600V, which specifies the safety requirements for electrical equipment for measurement, control, and laboratory use. This certification ensures that the device is safe for use on circuits that are part of the building’s electrical installation, such as distribution boards, circuit breakers, and wiring. The CAT III 600V rating signifies its ability to withstand voltage transients up to 600V, making it suitable for a wide range of professional applications. The device also adheres to IEC 61557-1, -2, which specifically details the requirements for electrical safety in low-voltage distribution systems, particularly for insulation resistance measuring instruments. Furthermore, compliance with IEC 61010-031 and IEC 61010-2-034 ensures that the test probes and the tester itself meet strict safety standards for handheld devices. These certifications are a guarantee that the device is not only accurate but also robustly designed to protect the user from electrical hazards. The robust construction and adherence to these stringent standards make the device a reliable and long-lasting tool for professionals who depend on their equipment to perform safely and accurately every day.

Powering Efficiency with Smart Design Choices

The power and portability of this insulation resistance tester are a result of thoughtful design choices that prioritize efficiency and user convenience. The device is powered by four LR6/R6 (AA) (1.5V) batteries, a common and easily replaceable power source. This ensures that the device can be used virtually anywhere without the need for a specialized charger or power outlet. The use of standard AA batteries is a major advantage for field technicians who might not have access to a power source for charging. The built-in illuminance sensor plays a crucial role in battery conservation by automatically managing the scale and LED spotlights, ensuring that power is only used when necessary. This smart feature, combined with the overall low power consumption of the device, contributes to a long operational life on a single set of batteries. The compact dimensions of 97(L) × 156(W) × 46(D)mm and a weight of approximately 430g make it extremely portable. The included shoulder strap (9121) and carrying case (9173) further enhance its portability, allowing technicians to carry it hands-free and keep it protected. The design team clearly focused on creating a tool that is not only powerful and accurate but also practical for the realities of day-to-day electrical work. The combination of easy-to-find batteries, power-saving features, and a highly portable design makes this tester a reliable companion for any professional.

A Comprehensive Kit for All Your Needs

This insulation resistance tester is not just sold as a standalone unit; it comes as part of a comprehensive kit designed to meet all your testing needs right out of the box. The standard included accessories are a testament to this all-in-one approach. The 7260 (Test lead with remote control switch) is a critical component that enhances both safety and convenience. The 7261A (Test lead with alligator clip) provides flexibility for connecting to various terminals and grounding points. For hard-to-reach locations, the 8017A (Extension prod long) is an invaluable tool. To ensure portability and protection, the kit includes a 9121 (Shoulder strap) and a durable 9173 (Carrying case). The device also comes with four LR6 (AA) batteries and a detailed Instruction manual to get you started immediately. Furthermore, a range of optional accessories is available to customize the kit for specific applications. The 9186A (Carrying case) and 9187 (Cord case) offer alternative storage solutions. Specialized probes like the 7243A (L-shaped probe) and the 8016 (Hook type prod) are available for specific testing scenarios, expanding the device’s utility even further. This comprehensive approach ensures that you have everything you need to perform professional-grade electrical tests safely and efficiently, without having to purchase additional components separately.

The Global Standard for Authenticity and Quality

When you are in the market for a professional-grade insulation resistance tester, you must ensure that the product is authentic and of the highest quality. The online store tpt24 is recognized as the premier global destination for this specific model, offering a guarantee of authenticity and quality with every purchase. We understand that professionals worldwide depend on their tools for safety and accuracy, and we are committed to providing only genuine products that meet all the specified safety and performance standards. Through our extensive global shipping network, tpt24 ensures that this essential tool is delivered to you, no matter what country you are in. Our packaging is robust, and our logistics are streamlined to ensure your product arrives in perfect condition. When you shop with tpt24, you are not just getting a product; you are getting a reliable partner that stands behind its offerings. Our dedicated customer support team is always available to assist with any questions or concerns, providing a seamless and trustworthy buying experience. Our reputation as the world’s leading online store for this product is built on our unwavering commitment to customer satisfaction and product integrity. Choose tpt24 for your professional needs and experience the assurance of quality and authenticity.