INSULATION / WITHSTANDING HiTESTER 3159-02 HIOKI

Description

Ensuring Electrical Safety in Modern Products

In the complex tapestry of modern electrical and electronic products, safety is not merely a feature; it is an absolute mandate. From household appliances to industrial machinery and medical devices, the integrity of electrical insulation is paramount to prevent electric shock, short circuits, and fire hazards. Regulatory bodies worldwide impose stringent safety standards, necessitating rigorous testing during manufacturing and maintenance. Two cornerstone tests for ensuring this safety are withstanding voltage (dielectric strength) testing and insulation resistance testing. Withstanding voltage tests stress insulation with high voltage to ensure it can prevent breakdown under abnormal conditions, while insulation resistance tests measure the effectiveness of the insulating material itself. Without precise and reliable instruments to conduct these critical assessments, manufacturers risk product failures, legal liabilities, and, most importantly, jeopardizing user safety.

Hioki 3153: Dual Safety Testing Powerhouse

The Hioki 3153 Withstanding Voltage & Insulation Tester is a dual-function powerhouse designed for comprehensive electrical safety testing. This instrument combines the critical capabilities of both withstanding voltage (dielectric strength) testing and insulation resistance testing into a single, robust unit, making it an indispensable tool for manufacturers and quality control departments. The withstanding test section is engineered to assess the ability of insulation to withstand high voltages without breaking down. It offers flexible testing voltage ranges of 0 to 2.5 kV AC and 0 to 5.0 kV AC, configured in two ranges, providing versatility for various product specifications. With a robust 500 VA (30 minutes rated) capacity, it can apply sufficient power to stress insulation effectively. The voltage setting is manual, allowing precise control by the operator. The waveform and frequency of the testing voltage are synchronized with the power supply, ensuring consistent test conditions. For breakdown detection, it features current measurement from 0.01 mA to 120 mA, utilizing True RMS rectification for accurate digital display. The voltage meter provides accurate feedback with $\pm 1.5\%$ f.s. (digital) and $\pm 5\%$ f.s. (analog, f.s.=5 kV) accuracy. Crucially, the judgment function employs a window comparator method with digital setting, allowing for precise PASS/FAIL criteria based on both upper and lower current limits.

Complementing this, the insulation test section measures the resistance of insulating materials, a direct indicator of their quality and integrity. It offers specific testing voltages of 500 V DC and 1000 V DC, with an unloaded voltage of 1 to 1.2 times the rated voltage to ensure stable application. The rated testing current is 1 to 1.2 mA, with a shorted current of 4 to 5 mA at 500 V, and 2 to 3 mA at 1000 V, demonstrating its ability to drive sufficient current for measurement. The measurement range and accuracy are comprehensive: 0.5 MΩ to 999 MΩ (at 500 V) and 1 MΩ to 999 MΩ (at 1000 V) with $\pm 4\%$ rdg. accuracy, extending to 1000 MΩ to 2000 MΩ with $\pm 8\%$ rdg. accuracy. Like the AC withstand test, it features a judgment function using the window comparator method with digital setting, providing clear PASS/FAIL results for insulation resistance. This dual capability makes the Hioki 3153 a comprehensive and indispensable tool for ensuring the electrical safety and compliance of a wide range of products.

Precise Measurement and Timed Operations

The Hioki 3153 Withstanding Voltage & Insulation Tester provides precise measurement and timed operations, crucial elements for accurate and repeatable electrical safety testing. Beyond the core voltage application, the instrument ensures that the breakdown or leakage current in the withstanding test is accurately quantified. The current measurement in this section ranges from 0.01 mA to 120 mA, presented as a True RMS rectified digital display. This true RMS capability is vital for accurately measuring AC leakage currents, which can have distorted waveforms, ensuring that the detected current truly reflects the stress on the insulation. It also offers specific measurement ranges for current: 2 mA/8 mA (with 0.01 mA resolution), 32 mA (with 0.1 mA resolution), and 120 mA (with 1 mA resolution), allowing for detailed observation of leakage current behavior. The voltage meter provides precise digital readings with an accuracy of $\pm 1.5\%$ rdg. (f.s.=5.00 kV), confirming that the applied test voltage is stable and accurate.

For insulation testing, the measurement range is equally precise, covering 0.5 MΩ to 999 MΩ at 500 V, and 1 MΩ to 999 MΩ at 1000 V, with an accuracy of $\pm 4\%$ rdg., extending to 1000 MΩ to 2000 MΩ with $\pm 8\%$ rdg. This broad range and high accuracy allow for reliable assessment of insulation quality, from degraded insulation (lower resistance) to pristine materials (very high resistance). A critical aspect of safety testing is the duration of the test. The timer section of the 3153 offers a flexible setting range from 0.5 to 999 seconds. This allows users to conduct tests for specific durations mandated by international safety standards, ensuring that the insulation can withstand the applied voltage for the required time period. This timed operation is essential for preventing premature breakdown or for detecting time-dependent degradation of insulation. The combination of precise current and voltage measurement, wide resistance range, and a flexible timer ensures that the Hioki 3153 delivers highly accurate, repeatable, and compliant electrical safety tests.

Comprehensive Judgment and Monitoring Functions

To facilitate efficient and reliable quality control in production environments, the Hioki 3153 Withstanding Voltage & Insulation Tester integrates comprehensive judgment and monitoring functions. These features provide immediate feedback on test results and allow operators to track key parameters in real-time, significantly enhancing productivity and ensuring compliance. Both the withstanding test section and the insulation test section utilize a judgment function based on the window comparator method with digital setting. This sophisticated method allows users to define both an upper and a lower limit for the measured current (for withstand testing) or resistance (for insulation testing). If the measured value falls outside this defined “window,” the unit indicates a FAIL, providing clear and unambiguous pass/fail decisions. The digital setting ensures high precision in setting these limits, crucial for meeting tight quality specifications.

Beyond the pass/fail judgment, the 3153 incorporates a robust monitor function that provides real-time feedback on critical test parameters. This function outputs:

• Output voltage: Allowing continuous verification of the applied test voltage.
• Detected current: Showing the leakage current during the withstand test.
• Insulation resistance: Displaying the measured resistance during the insulation test. These parameters are updated at a refresh rate of 2 times per second, providing operators with near real-time visibility into the test process. This constant monitoring is invaluable for identifying trends, detecting subtle anomalies during a test, and ensuring the test is proceeding as expected. For instance, an operator might observe a gradually increasing leakage current during a withstand test, indicating impending insulation breakdown, even before a hard “FAIL” is triggered. This level of insight enables proactive troubleshooting and contributes to a deeper understanding of product insulation behavior. The combination of precise digital judgment and real-time monitoring makes the Hioki 3153 an exceptionally effective tool for maintaining high standards of electrical safety and quality control on the production line.

Diverse Applications: Powering Safety Compliance

The Hioki 3153 Withstanding Voltage & Insulation Tester, with its integrated capabilities, is an indispensable instrument across a multitude of industries where rigorous electrical safety testing is mandated for product compliance and user protection.

In appliance manufacturing, the 3153 is fundamental for testing consumer products like refrigerators, washing machines, microwaves, and power tools. It ensures that internal wiring, motors, heating elements, and insulation can safely withstand their rated voltages and prevent current leakage, protecting users from electric shock and fire hazards. For motor and transformer manufacturers, the instrument is crucial for verifying the insulation integrity of windings. It helps detect defects like inter-turn shorts, weak insulation spots, or material degradation that could lead to premature failure or safety risks in electric motors, power transformers, and inductors used in various industrial and commercial applications.

In the lighting industry, it’s used to test luminaires, LED drivers, and other lighting fixtures to ensure that their electrical components and insulation meet safety standards against breakdown and leakage, particularly important for products connected directly to mains voltage. For cable and wire manufacturers, the 3153 provides essential quality control by verifying the dielectric strength and insulation resistance of power cables, control cables, and appliance cords, ensuring they safely conduct electricity without leakage or short-circuiting. In power supply manufacturing, the tester is used to validate the isolation between primary and secondary circuits, and between circuits and chassis ground, a critical safety requirement for all power conversion devices. Beyond manufacturing, the 3153 is also employed in electrical maintenance and repair for routine safety checks of electrical equipment, ensuring that aging insulation still meets safety requirements. It’s also vital in electrical inspection and certification bodies for product compliance testing against international safety standards (e.g., IEC, UL, CE), confirming that products are safe for public use. The versatility and precision of the Hioki 3153 make it a cornerstone instrument for upholding electrical safety standards across these diverse and demanding sectors.

Robust Design for Industrial Environments

The Hioki 3153 Withstanding Voltage & Insulation Tester is built with a robust design for industrial environments, prioritizing durability and stable operation under continuous, demanding use. This instrument is not merely a laboratory tool; it’s engineered to withstand the rigors of a production line or a busy test facility. Its physical dimensions are 320 mm (12.60 in) W × 155 mm (6.10 in) H × 330 mm (12.99 in) D, giving it a substantial yet manageable footprint for a benchtop unit. This size allows it to be easily integrated into various test setups without consuming excessive space, while still providing the necessary internal components for high-voltage testing.

The weight of the unit, at 21.5 kg (758.4 oz), indicates a solid and stable construction, which is essential for safety and precision when dealing with high voltages. This mass contributes to the instrument’s stability, minimizing vibrations and ensuring consistent performance. The power supply is configured for industrial use, operating on 220 V AC, (50/60 Hz), with a maximum consumption of 800 VA. This specifies a powerful internal transformer necessary to generate and sustain the high AC test voltages for the withstanding test. The included accessories are practical and immediately useful: a H.V. Test lead 9615 (high voltage side and return, 1 each) for safe and effective connection to the device under test, a power cord for immediate operation, an instruction manual for detailed guidance, and a spare fuse for convenient maintenance. This combination of a sturdy build, stable power delivery, and essential accessories ensures that the Hioki 3153 is a reliable and safe workhorse, ready for continuous, high-duty cycle operation in demanding industrial testing applications, providing confidence in its longevity and performance.

Unwavering Quality: Japanese Engineering Excellence

The Hioki 3153 Withstanding Voltage & Insulation Tester embodies a fundamental commitment to unwavering quality, a hallmark of Hioki’s renowned Japanese engineering excellence. While specific details about the manufacturing process or guarantees are not explicitly stated for the 3153 in the provided text, Hioki’s strong reputation for designing and manufacturing its products in Japan suggests that this instrument benefits from similar rigorous standards. This implies that the entire development, design, and manufacturing processes for this critical safety testing system are meticulously carried out with exceptional attention to detail, likely at Hioki’s advanced facilities in Nagano Prefecture, Japan.

This vertically integrated approach allows Hioki to maintain absolute control over every stage of production, from the selection of high-grade components to the intricate assembly of its high-voltage circuits and precise measurement systems. By leveraging some of the industry’s most advanced technological capabilities, Hioki consistently delivers products of the highest possible quality. For a withstanding voltage and insulation tester, this translates into exceptional measurement accuracy, long-term operational stability, and robust durability even under continuous, demanding industrial use. The precision of its voltage generation, the accuracy of its current measurement, and the reliability of its judgment functions are all outcomes of this commitment to engineering excellence. This dedication to quality is not merely a feature; it provides profound peace of mind for manufacturers and quality control professionals who rely on this instrument for critical safety certification. Knowing that a key safety testing tool is built to the highest possible standards minimizes concerns about equipment malfunction, false readings, or premature failure, which could lead to non-compliance, costly recalls, or, most critically, safety incidents for end-users. The 3153’s robust build ensures that it is a dependable workhorse, contributing significantly to a secure and compliant manufacturing environment.

tpt24.com: Your Premier Global Source

In the critically important domain of electrical product safety and compliance, where precision, reliability, and authenticity are non-negotiable, acquiring a state-of-the-art instrument like the Hioki 3153 Withstanding Voltage & Insulation Tester demands a supplier that embodies expertise, trust, and global reach. tpt24.com proudly stands as the world’s leading online store for this exceptional product line. 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 safety of your products, the efficiency of your production lines, and your adherence to stringent regulatory standards hinge fundamentally on the accuracy and longevity of the test equipment you employ. Therefore, every Hioki 3153 unit, along with its essential accessories like the H.V. Test lead 9615, 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 and reliable safety tests 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 the Hioki 3153 Withstanding Voltage & Insulation Tester 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 product certification and the urgency often associated with implementing critical safety testing solutions to meet production deadlines and regulatory requirements. Our streamlined online purchasing experience, coupled with our dependable international shipping capabilities, is meticulously designed to minimize any potential delays, enabling you to integrate this powerful instrument into your production line or quality assurance laboratory 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 electrical product safety begins here, with the confidence that comes from sourcing your equipment from the world’s best.