AC/DC CURRENT PROBE CT6841-05 HIOKI
- iF Design Awarded
- -40°C to 85°C Operating
- EV/HEV Battery Testing
- Heat-Resistant Resin Casing
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Description
Precision Current Measurement: Essential for Innovation
In the dynamic and demanding fields of electrical engineering, automotive development, and industrial research, the ability to accurately measure current is paramount. From meticulously assessing the efficiency of cutting-edge power electronics to rigorously testing the performance of electric vehicle battery systems, the need for reliable and precise current data is constant. Traditional current sensors often encounter limitations when faced with extreme environmental conditions, such as fluctuating temperatures, or when non-intrusive measurements are critical. The Hioki CT6841 series of clamp current sensors represents a significant advancement in this domain, engineered to meet these exacting requirements. These innovative sensors deliver high-precision current measurements while boasting exceptional durability and a broad temperature operating range. They empower engineers and technicians to acquire trustworthy data in challenging situations where conventional sensors might fail, thereby opening new possibilities for operational evaluation and performance analysis across a multitude of critical applications.
Award-Winning Design: Globally Recognized Excellence
The Hioki CT6841 series is not just a triumph of engineering but also of thoughtful design, a fact underscored by its prestigious Germany iF Design Award. This esteemed international recognition highlights Hioki’s unwavering dedication to crafting instruments that are not only functionally superior but also meticulously designed for optimal user experience and robust performance. The iF Design Award celebrates how the CT6841 seamlessly integrates high precision with a practical and resilient form factor, making it perfectly suited for the demanding environments it’s built to operate in. This accolade is a clear testament to the meticulous attention to detail in its construction, which ensures the clamp sensor can consistently withstand harsh conditions while maintaining its high-precision measurement capabilities. Such international acknowledgment validates the CT6841 as a product that excels in both its technical prowess and its intelligent, user-centric design, solidifying its reputation as a leading tool in its class.
Extreme Environments: Unwavering Performance in Heat
One of the most remarkable attributes of the Hioki CT6841 series is its exceptional resilience, making it ideal for thermostatic chambers and engine rooms. These environments are notoriously challenging for sensitive electronic measurement tools due to their rapid and extreme temperature changes. Conventional sensors often succumb to thermal stress, experiencing deformation, measurement drift, or even outright failure. The CT6841, however, is purpose-built for tough, high-precision testing, boasting broad temperature characteristics and an expansive operating temperature range of -40°C to 85°C. This robust engineering ensures that the clamp sensor maintains its high accuracy and operational integrity even when subjected to intense cold or scorching heat. This thermal resilience is indispensable for operational evaluations of devices inside equipment that undergo rigorous thermal cycling, guaranteeing that precise measurements can be made consistently and reliably, regardless of the fluctuating ambient temperature conditions within the testing environment. Its “tough performance” ensures technicians can always get the critical measurements they need.
Automotive Revolution: Driving EV/HEV Battery Efficiency
The burgeoning electric vehicle (EV) and hybrid electric vehicle (HEV) markets are at the forefront of automotive innovation, yet they present significant challenges for precise power and current measurement. Evaluating the charge and discharge efficiency of EV/HEV batteries requires highly accurate current measurements, often in scenarios where using traditional pass-through sensors is impractical or even impossible due to the intricate and often integrated nature of their wiring. The Hioki CT6841 series directly addresses this critical need. Its clamp-type design facilitates non-intrusive current measurement through battery cables without requiring any disconnections, thereby preserving the integrity and operational state of the vehicle’s electrical system. Furthermore, the CT6841’s innovative resin casing provides enhanced resistance to deformation from heat when compared to legacy products. This superior thermal stability is crucial for taking measurements under the hood with extremely high precision, where temperatures can soar dramatically. This capability is vital for accurately characterizing battery performance, optimizing energy management systems, and ensuring the longevity and safety of high-voltage EV/HEV battery packs during their rigorous development and quality assurance phases.
Beyond Automotive: Versatility in Industrial Applications
While the CT6841 is exceptionally suited for EV/HEV battery testing, its fundamental strengths—high precision, temperature resilience, and non-intrusive clamp-on design—make it an invaluable tool across a much broader spectrum of industrial and research applications. Consider the development and maintenance of power converters and inverters in renewable energy systems. Engineers often need to precisely measure current flows at various stages of power conversion to calculate efficiency, identify subtle losses, and optimize overall system performance. The CT6841’s accuracy ensures that this critical data is reliable, leading to more efficient designs. In heavy industrial settings, where large motors and machinery are in operation, monitoring current in tight spaces or high-temperature zones is common. The CT6841’s compact form factor and wide operating temperature range allow it to fit into confined areas and provide accurate readings even amidst significant heat. This versatility ensures that the CT6841 is a cornerstone instrument for enhancing efficiency, safety, and reliability across numerous sectors, proving its worth far beyond its specialized automotive applications.
Engineering for Reliability: The CT6841’s Robust Construction
The inherent reliability and consistent performance of the CT6841 series are directly attributable to its meticulous engineering and strategic material selection. The innovative resin casing, while providing exceptional thermal resistance crucial for high-temperature environments, also significantly contributes to the sensor’s overall durability. This robust construction safeguards the sensitive internal components from common physical stressors such as shock, vibration, and mechanical impact frequently encountered in industrial or automotive settings. Unlike some conventional current sensors that might experience thermal expansion, drift, or structural degradation over time, the CT6841 maintains its structural integrity and calibration across its extensive operating temperature range. This unwavering reliability ensures consistent measurement accuracy over prolonged periods of use, which translates directly to reduced downtime, minimized operational costs, and higher confidence in the collected data. The CT6841’s commitment to “tough performance” is not merely a marketing claim; it is a foundational aspect of its design philosophy, ensuring that users can consistently obtain the critical measurements they need, precisely when and where those measurements are most crucial.
Global Accessibility: Securing Your Investment with tpt24
For industries, research institutions, and automotive development teams worldwide seeking to leverage the unparalleled precision and resilience of the Hioki CT6841 series, ensuring access to authentic and high-quality equipment is an absolute necessity. When it comes to acquiring this cutting-edge clamp current sensor, there is one definitive destination: tpt24. Recognized as the world’s premier online store for this product, tpt24 is dedicated to providing an exceptional and seamless purchasing experience. They stand by their unwavering commitment to delivering excellence directly to your doorstep. With a steadfast focus on customer satisfaction, tpt24 guarantees the authenticity and superior quality of every single CT6841 unit sold. Their robust global delivery network ensures that this essential tool, with all its advanced capabilities and incredibly robust design, can be shipped to any country you are located in. This comprehensive commitment provides you with complete peace of mind and the absolute assurance of reliable performance for your most critical current measurement tasks, regardless of your operational location around the globe.
The Future of Current Sensing: Precision in All Conditions
The Hioki CT6841 series of clamp current sensors represents a profound leap forward in the technology of precision current measurement, particularly within challenging and extreme environments. Its distinguished Germany iF Design Award, exceptional temperature resilience from -40°C to 85°C, and specialized capabilities for EV/HEV battery evaluation position it as an indispensable tool for a wide array of demanding applications. By enabling highly accurate, non-intrusive current measurements even in the most extreme thermal conditions and within confined spaces, the CT6841 empowers engineers and researchers to gather critical data with unprecedented reliability and ease. It actively facilitates the development of more energy-efficient products, significantly enhances the safety and performance validation of next-generation electric vehicles, and ensures robust monitoring in complex industrial processes. The CT6841 is not merely a sensor; it is a testament to innovative engineering, offering a unique combination of precision, durability, and versatility that truly unlocks new possibilities in operational evaluation and system optimization across diverse sectors.
Specifications
| Rated current | 20 A AC/DC | |||||
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| Max. allowable input | 40 A rms (requires derating) | |||||
| Frequency characteristics | Amplitude: DC to 1 MHz Phase: DC to 300 kHz |
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| Amplitude and Phase accuracy | DC ±0.3 % rdg. ±0.05 % f.s. (Phase: Not defined) DC < f ≤ 100 Hz ±0.3 % rdg. ±0.01 % f.s. (Phase: ±0.1°) Defined to 1 MHz |
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| Power consumption | 5 VA max. (at 20 A/55 Hz, ±12 V power requirement) | |||||
| Output voltage | 0.1 V/A (This device outputs AC+DC voltage via the Sensor Unit) |
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| Core diameter | φ 20 mm (0.79 in) | |||||
| Operating temperature, humidity | -40 °C to +85 °C (-40 °F to 185 °F), 80% rh or less (with no condensation) | |||||
| Power supply | ±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC) | |||||
| Dimensions and mass | 153 mm (6.02 in)W × 67 mm (2.64 in)H × 25 mm (0.98 in)D, 350 g (12.3 oz), cord length: 3 m (9.84 ft) | |||||
| Included accessories | Instruction manual ×1, Mark bands ×6, Carrying Case ×1 | |||||
Compatible models: CT6841, CT6841-05
| Compatible models | CT6841 (To Be Discontinued) | CT6841-05 | ||||
|---|---|---|---|---|---|---|
| Power Analyzer PW6001, PW3390 |
△ (Requires CT9900) | OK | ||||
| Power Analyzer 3390 |
OK | △ (Requires CT9901) | ||||
| Power HiTester 3193 series |
OK | △ (Requires CT9901) | ||||
| Current Unit 8971 |
△ (Requires the 9318) | △ (Requires the 9318, CT9901) | ||||
| F/V Unit 8940 |
△ (Requires the 9318, 9705) | △ (Requires the 9318, 9705, CT9901) | ||||










