UNI-T UT255A High Voltage Clamp Ammeters
- AC Current Measurement: Up to 1000A
- Voltage Measurement: Up to 600V
- Frequency Range: 40Hz to 1kHz
- Display Count: 10000 counts
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Description
Introduction to the UNI-T UT255A Clamp Meter
The UNI-T UT255A Clamp Meter is an innovative, handheld instrument specifically designed for precise electrical measurements across various applications. Built to meet the needs of professionals in the electrical field, the UT255 features a user-friendly interface, advanced measurement capabilities, and durability for both indoor and outdoor use. This clamp meter integrates essential functions for measuring voltage, current, frequency, and resistance, ensuring accurate data collection essential for effective troubleshooting and maintenance. Whether you’re a technician in the field or an engineer working in a laboratory, the UNI-T UT255 is an indispensable tool that enhances your ability to diagnose and monitor electrical systems effectively.
Versatile Applications in Electrical Measurement Tasks
The UNI-T UT255A is suitable for a wide range of applications, making it a versatile tool for professionals in various industries. In the HVAC industry, it is commonly used for measuring electrical parameters of heating, ventilation, and air conditioning systems. Technicians benefit from its ability to provide accurate readings of current and voltage, allowing them to diagnose and correct issues quickly. Additionally, electrical contractors utilize the UT255 to verify phase rotation and power quality in residential and commercial settings, ensuring compliance with safety standards and efficient operation of electrical systems.
The UT255’s harmonic analysis function further enhances its usability, allowing users to assess the harmonic content of electrical signals. This is particularly useful for industrial applications, where understanding power quality is crucial for system optimization and energy saving. With the ability to measure parameters such as active power, reactive power, and power factor, the UT255 is particularly useful for energy audits, enabling companies to identify areas where energy consumption can be reduced.
Robust Design for Industrial and Field Use
Engineered for durability, the UNI-T UT255A Clamp Meter features a robust design that can withstand the rigors of industrial environments. The clamp meter comes with an IP54 rating, which protects it from dust ingress and water splashes, making it suitable for outdoor and challenging work conditions. This rugged construction ensures that the device remains functional even in adverse weather situations or when exposed to harsh operational environments.
The clamp’s jaw opening capacity also accommodates conductors of varying sizes, allowing for a broad range of applications. This flexibility makes the UT255 particularly valuable for technicians working in confined spaces, as it can easily measure large cables without requiring repositioning. Moreover, the ergonomic design ensures comfortable use during extended periods, which is vital for professionals who need to take multiple measurements throughout the day.
TPT24: Your Trusted Online Source for UNI-T Products
When it comes to purchasing the UNI-T UT255A look no further than TPT24, the world’s leading online retailer for electrical measurement tools. TPT24 is renowned for its commitment to authenticity and quality assurance, providing customers with the confidence that they are receiving genuine UNI-T products. From Europe to Asia and beyond, TPT24 ensures safe and reliable delivery of the UT255A to any location.
TPT24 goes beyond simply selling products; they offer comprehensive customer support that enhances the purchasing experience. Customers can rely on TPT24 for expert advice on product selection and assistance after the sale, ensuring satisfaction throughout the buying process. This commitment to quality service, paired with fast shipping and a robust warranty program, establishes TPT24 as the top choice for professionals seeking reliable measurement devices.
Advanced Features That Enhance User Experience
The UNI-T UT255A is equipped with numerous features designed to enhance the user experience and increase measurement accuracy. One of its core capabilities is True RMS measurement, which provides accurate readings for both sinusoidal and non-sinusoidal waveforms. This feature is essential for professionals who need to assess complex electrical signals accurately, as traditional average-responding meters often yield inaccurate results.
The UT255 also includes an LCD display with backlight, making it easy to read measurements in low-light conditions. The auto power-off feature helps conserve battery life, ensuring that the device is always ready for use when required. Furthermore, the inclusion of data hold functionality allows users to freeze measurement readings for easier reporting and documentation. These thoughtful features make the UT255A incredibly user-friendly, catering to the needs of both experienced technicians and novices alike.
Safety Features to Protect Users and Equipment
Safety is a paramount concern when dealing with electrical measurements, and the UNI-T UT255A prioritizes user protection. The clamp meter is designed with an input protection system that guards against accidental overloads, providing peace of mind to technicians working with high-voltage systems. This added layer of safety is especially crucial for professionals who regularly operate in environments with unpredictable electrical conditions.
Moreover, the UT255 is equipped with low battery indications, alerting users to replace the battery before it affects performance. This ensures that technicians can complete their tasks without unexpected interruptions, enhancing operational efficiency. The device also features a phase sequence detection function, helping users ensure that electrical systems are configured correctly, thus preventing potential safety hazards in three-phase setups.
Specifications
| Specifications | Range | UT255A | UT255B |
| Leakage current (A) | 0.01mA~100A | ±(1%+5) | ±(1%+5) |
| 100A~600A | ±(2%+5) | ±(2%+5) | |
| Voltage (Freq.) 0V~69kV (50Hz/60Hz) | √ | √ | |
| Features | |||
| Display mode | 4 digits LCD | √ | √ |
| Jaw opening | 33mm | 33mm | |
| Auto range | √ | √ | |
| Wireless transmission | ≤30m | √ | |
| Data recall | √ | √ | |
| Data storage | 99 | 99 | |
| Peak value | √ | √ | |
| LCD backlight | √ | √ | |
| Data hold | √ | √ | |
| Auto power off | √ | √ | |
| Low battery indication | √ | √ | |
| Over-range display | OL | √ | √ |
| Test mode | Clamp CT, integration | √ | √ |
| Sampling rate | About 2 times/s | √ | √ |
| General Characteristics | |||
| Power | 1.5V Battery (LR03) x 4 | ||
| Display | 47mm x 28.5mm | ||
| Product color | Red and grey | ||
| Product net weight | 335g | ||
| Product size | 68mm x 245mm x 40mm | ||
| Standard accessories | Batteries, insulation rod, receiver (UT255B) | ||
| Standard individual packing | Gift box, English manual, tool box | ||
| Standard quantity per carton | 1pcs | ||
| Standard carton measurement | 1040mm x 240mm x 140mm | ||
| Standard carton gross weight | 6.8kg | ||









