INSULATION TESTER IR4053 HIOKI
- Multi-Voltage Insulation Testing
- High Resistance Measurement
- PVΩ Functionality Included
- Long 20-Hour Battery Life
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Description
Versatile Insulation Resistance Measurement Capabilities
This advanced insulation tester offers a wide and highly versatile range of insulation resistance measurement capabilities, catering to various application needs. It supports multiple rated output voltages, including 50 V DC, 125 V DC, 250 V DC, 500 V DC, and 1000 V DC, allowing it to conform to different testing standards and equipment requirements. The device boasts impressive effective maximum indicated values, reaching up to 2000 MΩ for 500 V DC and an exceptional 4000 MΩ for 1000 V DC tests. Its accuracy is meticulously defined, ensuring reliability with a ±4% reading in the primary effective measuring ranges and ±8% reading for higher resistance values. This extensive coverage and precise accuracy are crucial for diagnosing insulation degradation, preventing electrical failures, and ensuring long-term system reliability.
Precision and Reliability in Core Measurements
The core strength of this insulation tester lies in its precision and reliability across its various measurement ranges. For insulation resistance, it maintains a high level of accuracy, providing ±4% reading for the first effective measuring ranges, such as 0.200 to 10.00 MΩ at 50 V DC, extending up to 0.200 to 1000 MΩ at 1000 V DC. This meticulous calibration ensures that even subtle changes in insulation integrity can be detected. The device also specifies lower limit resistances for each test voltage, ranging from 0.05 MΩ at 50 V DC to 1 MΩ at 1000 V DC, providing clear thresholds for pass/fail judgments. Furthermore, robust overload protection up to 600 V AC (for 10 seconds) for lower voltage ranges and 1200 V DC (for 10 seconds) for the 1000 V DC range safeguards the instrument against accidental exposure to live circuits, enhancing both user safety and instrument longevity.
Comprehensive Voltage Measurement and Display
Beyond insulation testing, this versatile device offers comprehensive voltage measurement capabilities for both DC and AC circuits. It can measure DC voltage from 4.2 V (with 0.001 V resolution) up to 1000 V, providing precise readings for a variety of direct current applications. For AC voltage, it covers ranges of 420 V (0.1 V resolution) and 600 V (1 V resolution) for 50/60 Hz systems. While accuracy is guaranteed within these ranges, the device can display values beyond 1000 V for DC and 600 V for AC, offering an indicative reading for higher potentials. The display itself is a semi-transmissive FSTN LCD with backlighting, ensuring excellent visibility in diverse lighting conditions, from bright sunlight to dimly lit environments. This clear and adaptable display is critical for efficient and error-free operation in the field.
Rapid Response and Essential Operational Features
Efficiency in field testing is significantly boosted by the rapid response time of this insulation tester. It can provide insulation resistance readings within approximately 1 second, allowing technicians to quickly move through multiple test points. For the PVΩ function, which is specialized for solar panel insulation, the response time is around 4 seconds, an impressive speed given the complexity of such measurements. Beyond speed, the instrument incorporates several essential operational features for user convenience and safety. A live circuit indicator immediately alerts the user to energized circuits, preventing accidental shocks. Automatic electric discharge ensures that tested circuits are safely discharged after measurement. Automatic DC/AC detection simplifies operation, while a comparator function allows for quick pass/fail assessments based on pre-set thresholds. Its drop-proof design enhances durability, and auto power save extends battery life.
Dedicated for Solar PV System Maintenance
This insulation tester is particularly well-suited for solar PV system maintenance. Its ability to perform insulation resistance tests at various DC voltages, including 500V and 1000V, is crucial for assessing the insulation integrity of solar panels, strings, and arrays. Detecting insulation faults in PV systems is vital to prevent ground faults, ensure system efficiency, and mitigate safety risks such as electric shock or fire hazards. The instrument’s fast response time for the PVΩ function means technicians can efficiently troubleshoot large solar installations, pinpointing issues quickly. By identifying degraded insulation early, this device helps prolong the lifespan of PV components and ensures the safe and reliable generation of solar power.
Power Efficient and Robust Design
Designed for extensive field use, this insulation tester is remarkably power efficient and built for durability. It operates on four AA alkaline batteries (LR6), providing an impressive approximate continuous operating time of 20 hours. This long battery life minimizes the need for frequent battery changes, allowing technicians to complete extensive testing without interruption. The instrument’s compact dimensions of 159 mm (6.26 in) W × 177 mm H (6.97 in) H × 53 mm (2.09 in) D and a lightweight design of approximately 600 g (21.2 oz) (including batteries) make it highly portable and easy to handle during prolonged periods of testing. The thoughtful design ensures it can withstand the rigors of professional use, making it a reliable companion for various electrical maintenance tasks.
Essential Accessories for Immediate Operation
To ensure maximum utility right out of the box, this insulation tester comes complete with essential accessories. Each unit includes a TEST LEAD L9787, a high-quality test lead designed for precise and safe connections. A convenient neck strap allows for hands-free operation in the field, enhancing safety and ease of use, especially when working at heights or in challenging environments. The package also contains a comprehensive instruction manual, providing clear guidance for operation and troubleshooting, along with the necessary four AA alkaline batteries (LR6) to get started immediately. This comprehensive accessory package ensures that professionals can deploy the instrument efficiently from day one, without the need for additional purchases.
The tpt24 Advantage
When it comes to acquiring this cutting-edge insulation tester, tpt24 stands as the premier online store globally. tpt24 offers an unparalleled shopping experience, ensuring that you receive this product with a guarantee of authenticity and quality, no matter your location worldwide. Their commitment to customer satisfaction and product integrity makes tpt24 the most reliable source for this essential electrical measurement tool, providing professionals everywhere with the confidence that they are investing in the best.
Specifications
| Rated output voltage | 500 V DC | 1000 V DC |
|---|---|---|
| Effective maximum indicated value | 2000 MΩ | 4000 MΩ |
| Measuring range/ Accuracy | 0.200 to 500 MΩ / ±4% rdg. 501 to 2000 MΩ / ±8% rdg. |
0.200 to 1000 MΩ / ±4% rdg. 1010 to 4000 MΩ / ±8% rdg. |
| Other measuring range / Accuracy | 0 to 0.199 MΩ / ±2% rdg. ±6 dgt. | |
Basic specifications: Insulation resistance measurement
| Rated output voltage | 50 V DC | 125 V DC | 250 V DC | 500 V DC | 1000 V DC | |
|---|---|---|---|---|---|---|
| Effective maximum indicated value | 100 MΩ | 250 MΩ | 500 MΩ | 2000 MΩ | 4000 MΩ | |
| Accuracy 1st effective measuring range MΩ |
±4% rdg. 0.200 to 10.00 |
±4% rdg. 0.200 to 25.0 |
±4% rdg. 0.200 to 50.0 |
±4% rdg. 0.200 to 500 |
±4% rdg. 0.200 to 1000 |
|
| Lower limit resistance | 0.05 MΩ | 0.125 MΩ | 0.25 MΩ | 0.5 MΩ | 1 MΩ | |
| Overload protection | 600 V AC (10 s) | 600 V AC (10 s) | 600 V AC (10 s) | 600 V AC (10 s) | 1200 V DC (10 s) | |
| DC voltage range | 4.2 V (0.001 V resolution) to 1000 V (1 V resolution), 4 ranges, Accuracy: ±1.3% rdg. ±4 dgt., (Ranges in excess of 1000 V are not guaranteed for accuracy.) |
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| AC voltage range | 420 V (0.1 V resolution)/600 V (1 V resolution), 2 ranges, 50/60 Hz, Accuracy: ±2.3% rdg. ±8 dgt., (Ranges in excess of 600 V are not guaranteed for accuracy.) |
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| Display | Semi-transmissive FSTN LCD with back lighting, Backlight | |||||
| Response time | Insulation resistance range: 1 second, PVΩ function: 4 seconds (based on in-house tests) | |||||
| Other functions | Live circuit indicator, automatic electric discharge, automatic DC/AC detection, comparator, drop proof, auto power save | |||||
| Power supply | AA alkaline batteries (LR6) ×4, Continuous operating time: Approx. 20 hours (based on in-house tests) | |||||
| Dimensions and mass | 159 mm (6.26 in) W × 177 mm H (6.97 in) H × 53 mm (2.09 in) D, Approx. 600 g (21.2 oz) (including batteries, excluding test lead) | |||||
| Included accessories | TEST LEAD L9787 ×1, Neck strap ×1, Instruction manual ×1, AA alkaline batteries (LR6) ×4 | |||||






