SUPER MEGOHMMETER SM-8213, SM-8215, SM-8220 HIOKI

Description

Unveiling the Electrical Properties of Materials

In the intricate world of material science, electronics manufacturing, and quality control, understanding the electrical properties of various substances is paramount. Beyond simple conductivity, the measurement of surface resistance and volume resistance provides critical insights into how materials behave as insulators or semiconductors. These properties directly influence product performance, safety, and reliability across countless applications, from circuit boards and electronic components to packaging materials and anti-static flooring. As technology advances, materials with increasingly specific and extreme resistance values are developed, posing challenges for accurate measurement. Standard test methods often fall short when dealing with very high resistance, where ambient noise or environmental factors can significantly distort readings. This necessitates specialized equipment, particularly super megohmmeters paired with dedicated electrodes, to precisely characterize these subtle yet crucial electrical behaviors.

Hioki SME-8310: Precision for Plate Samples

The Hioki SME-8310 Plate Sample Electrode is an essential accessory designed for precisely characterizing the electrical properties of solid materials. When paired with super megohmmeters, such as the Hioki SM-8220, the SME-8310 enables accurate measurement of both the surface and volume resistance of plate samples. This capability is fundamental in numerous industries where material insulation properties are critical. Surface resistance measures the resistance to current flow across the surface of a material, which is particularly important for preventing electrostatic discharge (ESD) or tracking in insulators. Volume resistance, on the other hand, measures the resistance to current flow through the bulk of the material, indicating its insulating quality.

The design of the SME-8310 ensures reliable contact with flat samples, providing consistent and repeatable measurements. This electrode is crucial for manufacturers of insulating films, printed circuit boards (PCBs), plastics, and ceramics, allowing them to verify material specifications and ensure compliance with industry standards. For instance, in the electronics industry, selecting materials with appropriate surface and volume resistance is vital for preventing current leakage, ensuring signal integrity, and safeguarding components from electrical damage. The reliability of the SME-8310, when used in conjunction with a high-performance super megohmmeter, ensures that engineers and quality control personnel can confidently assess material performance, enabling better product design and higher manufacturing yields. Resources like instructional videos are available to guide users on how to connect the SME-8310 with the Hioki SM-8220 Super Megohmmeter, ensuring proper setup and accurate results.

Hioki SME-8330: Analyzing Liquid Electrical Properties

Beyond solid materials, the electrical characterization of liquids is critical in many specialized fields. The Hioki SME-8330 Plate Sample Electrode is specifically engineered to address this unique measurement challenge. When paired with super megohmmeters, such as the Hioki SM-8220, the SME-8330 allows for the precise measurement of the surface and volume resistance of liquid samples. This capability is vital for assessing the insulating properties or conductivity of various fluids, from solvents and oils to chemical solutions and purified water.

The design of the SME-8330 is tailored to handle liquid specimens, ensuring proper containment and consistent electrode immersion for accurate readings. This electrode is particularly important for industries such as petrochemicals, pharmaceuticals, and electronics, where the electrical properties of liquids can significantly impact safety, purity, and process efficiency. For example, in the production of high-purity water for semiconductor manufacturing, monitoring the volume resistance is essential to ensure contaminants are below critical thresholds. In the electrical industry, assessing the insulating properties of transformer oils or coolants is crucial for equipment reliability and preventing electrical breakdowns. The SME-8330 enables precise control over measurement conditions, ensuring that environmental factors do not interfere with the delicate readings required for liquids. Comprehensive video resources are available, demonstrating how to prepare the SME-8330 for testing, and how to connect it with the Hioki SM-8220 Super Megohmmeter, facilitating correct usage and reliable data acquisition in these specialized applications.

Hioki SME-8320: Accurate Surface Resistance with Shielding

Measuring the surface resistance of plate samples accurately, especially when dealing with very large insulation resistance values, presents a unique set of challenges. The Hioki SME-8320 Weight Electrode is specifically designed for this task, allowing users to pair it with a super megohmmeter to measure the surface resistance of plate samples. Its weighted design ensures consistent contact pressure, which is critical for repeatable measurements on flat surfaces. However, for materials with large insulation resistance values (greater than 10^10 ohms), external environmental factors can significantly compromise measurement integrity. Effects from surrounding noise or hums (inductance), such as electromagnetic interference from power lines or nearby electronic equipment, can cause the inability to measure correctly, leading to unstable or erroneous readings.

For these challenging situations, Hioki strongly recommends combining the Shielding Box SME-8350. This shielding box provides an electromagnetically isolated environment, effectively mitigating external noise and ensuring that only the true resistance of the sample is measured. This combination is particularly vital in research and development settings, as well as in critical quality control applications where even slight inaccuracies can have significant implications. The SME-8320, when used in conjunction with the SME-8350 shielding box and a super megohmmeter like the Hioki SM-8220, forms a robust system for achieving highly accurate and reliable surface resistance measurements on ultra-insulating materials. This integrated solution exemplifies Hioki’s commitment to providing comprehensive tools that overcome real-world measurement challenges. Users can access video demonstrations that show all 3 equipment in action, illustrating the proper setup and operational synergy of this advanced measurement system for demanding applications.

Specialized Applications: Ensuring Material Integrity

The combination of Hioki’s super megohmmeters with their dedicated electrodes (SME-8310, SME-8320, SME-8330), and the SME-8350 shielding box, opens up a wide array of specialized applications crucial for product quality, safety, and regulatory compliance across diverse industries.

In the electronics manufacturing industry, these systems are indispensable for characterizing insulating materials used in printed circuit boards (PCBs), flexible circuits, and electronic components. Measuring surface and volume resistance ensures that these materials provide adequate electrical isolation, preventing leakage currents, short circuits, and maintaining signal integrity, which is vital for the reliability and performance of consumer electronics, automotive electronics, and industrial control systems. For anti-static and ESD (Electrostatic Discharge) control applications, particularly in cleanrooms and electronics assembly, the measurement of surface resistance (often with the SME-8320) is paramount. This ensures that anti-static mats, flooring, workbenches, and packaging materials effectively dissipate static electricity, preventing damage to sensitive components during handling.

In the packaging industry, especially for electronic components, food, and pharmaceuticals, understanding the barrier properties of packaging materials is crucial. The resistance measurements can indicate the material’s ability to protect contents from environmental factors like moisture and electrical interference. For material science research and development, these electrodes enable scientists to characterize novel insulating or semi-conductive materials, guiding the development of new polymers, composites, and ceramics with tailored electrical properties for advanced applications in aerospace, medical devices, and energy storage. The petrochemical and chemical industries utilize the SME-8330 for measuring the resistance of insulating oils, solvents, and other liquids, which is critical for ensuring the safe operation of high-voltage equipment (like transformers) and monitoring the purity of chemical processes. Finally, in quality assurance and failure analysis, these systems are employed to diagnose insulation breakdown in cables, wires, and electronic assemblies, helping identify manufacturing defects or material degradation that could lead to system failures. By providing precise and reliable resistance measurements, Hioki’s electrode solutions are fundamental for ensuring material integrity and product performance in high-stakes environments.

The Power of Integration: Beyond Simple Measurement

The true value of Hioki’s electrode series (SME-8310, SME-8320, SME-8330) lies not just in their individual capabilities but in their seamless integration with Hioki’s super megohmmeters and supporting accessories like the SME-8350 Shielding Box. This ecosystem approach provides comprehensive solutions for complex measurement challenges, particularly when dealing with the extremely high resistance values of modern insulating materials. The instructional videos, frequently mentioned in the product descriptions, underscore Hioki’s commitment to user enablement. These visual guides on how to connect the SME-8310 with the Hioki SM-8220 Super Megohmmeter, how to prepare the SME-8330 for testing, and seeing all 3 equipment (SME-8320, SM-8220, SME-8350) in action are invaluable resources. They ensure that users, regardless of their prior experience, can set up the equipment correctly and perform accurate measurements, minimizing setup errors and maximizing measurement integrity.

This emphasis on integration and user support is vital because measuring very high insulation resistance values is inherently sensitive. The subtle interplay between the super megohmmeter’s high voltage source and sensitive measurement circuitry, and the specialized electrodes that ensure proper contact and guard ring functionality, demands a cohesive system. The recommendation to use the Shielding Box SME-8350 for large insulation resistance values (greater than 10^10 ohms) clearly demonstrates an understanding of real-world measurement challenges. External noise and electromagnetic interference (often referred to as “hums” or “inductance” in the prompt) can introduce significant errors when measuring such minute currents across vast resistances. The shielding box creates a Faraday cage around the sample and electrodes, blocking external interference and allowing the megohmmeter to capture the true resistance value accurately. This holistic approach – offering purpose-built electrodes, high-performance meters, and crucial shielding accessories – provides a complete, reliable, and user-friendly solution for advanced material electrical characterization, ensuring trustworthy data even in the most demanding measurement scenarios.

Engineering Excellence: Designed for Accuracy

The core philosophy behind Hioki’s SME electrode series and their associated super megohmmeters is rooted in delivering unparalleled accuracy and reliability in the measurement of extremely high resistance values. This engineering excellence is evident in the meticulous design of each electrode. For instance, the SME-8310 is crafted to provide robust and consistent contact for plate samples, ensuring that variations in contact resistance do not skew the overall measurement of surface or volume resistance. Its precision in maintaining a uniform electric field across the sample is critical for obtaining repeatable and comparable data, which is paramount in material qualification and quality control.

Similarly, the SME-8330 for liquids showcases specialized engineering to handle the unique challenges of fluid measurement. It ensures that the liquid sample is properly contained and that the electrodes are consistently immersed, preventing issues like air bubbles or evaporation that could compromise readings. The careful design of its measurement cell is essential for accurately determining the insulating properties of various chemicals and oils. The SME-8320 Weight Electrode further exemplifies this precision by ensuring consistent pressure on plate samples, which is vital for reproducible surface resistance measurements, especially on delicate or sensitive materials. Furthermore, the explicit recommendation for the Shielding Box SME-8350 when measuring resistances above 1010 ohms highlights Hioki’s deep understanding of metrology principles. At such high resistance levels, even minute external electromagnetic interference can induce currents that are significant compared to the actual leakage current through the sample, leading to erroneous results. The shielding box acts as a crucial barrier, creating a controlled environment that isolates the measurement from external noise. This commitment to designing purpose-built electrodes and complementary accessories that address the nuanced challenges of high-resistance measurement underscores Hioki’s dedication to providing a comprehensive and highly accurate solution for advanced material characterization.

tpt24.com: Your Premier Global Source

In the demanding field of material electrical characterization, where precision and reliability are paramount, acquiring specialized equipment like Hioki’s SME electrode series and super megohmmeters requires a supplier that embodies trust, authenticity, and global reach. tpt24.com proudly stands as the world’s leading online store for these exceptional products. Our unwavering commitment is to provide you with a seamless acquisition experience, fortified by an absolute guarantee of authenticity and an uncompromising dedication to quality for every product we deliver. We deeply understand that the integrity of your material research, quality control processes, and product safety analyses relies fundamentally on the accuracy and longevity of the test equipment you employ. Therefore, every Hioki SME-8310, SME-8320, SME-8330 electrode, and their complementary SM-8220 Super Megohmmeter or SME-8350 Shielding Box, sourced through tpt24.com, is meticulously guaranteed to be a genuine Hioki product. These instruments are manufactured to the most stringent industry standards and rigorously tested to ensure peak performance, consistently delivering the precise resistance measurements you demand for your critical applications.

What truly sets tpt24.com apart is our profound commitment to global accessibility. We firmly believe that geographical location should never be a barrier to acquiring the world’s most advanced test and measurement technology. Consequently, tpt24.com offers swift and secure worldwide delivery of Hioki’s specialized electrodes and megohmmeters to any country you operate in. Our robust and highly efficient global logistics network ensures that your valuable investment is handled with the utmost care, processed promptly, and dispatched efficiently, arriving at your facility in pristine condition and within a predictable timeframe. We fully appreciate the time-sensitive nature of R&D cycles and manufacturing schedules, and the urgency often associated with implementing critical material characterization tools. Our streamlined online purchasing experience, coupled with our dependable international shipping capabilities, is meticulously designed to minimize any potential delays, enabling you to integrate these powerful measurement solutions into your laboratory or production line with maximum speed and efficiency. When you choose tpt24.com, you are selecting a trusted global partner, committed to providing you with not only cutting-edge technology but also unparalleled service, absolute product authenticity, guaranteed quality, and reliable worldwide delivery. Your journey towards unparalleled material insight begins here, with the confidence that comes from sourcing your equipment from the world’s best.