

Hioki 3288 Clamp On AC/DC HiTester
The Hioki 3288 is a compact and versatile clamp meter designed for high-current measurements up to 1000 A in both AC and DC circuits. It features true RMS measurement capabilities, a slim profile for easy access in tight spaces, and integrated digital multimeter (DMM) functions, making it ideal for maintenance and troubleshooting in various electrical applications.
Description
The Hioki CLAMP ON AC/DC HiTESTER 3288 is engineered to provide accurate and reliable measurements for professionals working with high-current electrical systems. With the ability to measure up to 1000 A in both AC and DC circuits, it ensures precise readings even in demanding environments.
The device’s true RMS measurement capability allows for accurate assessment of distorted or non-sinusoidal waveforms, which is essential in modern electrical systems that often include variable frequency drives and other non-linear loads. This feature ensures that the Hioki 3288 delivers consistent and reliable measurements across a wide range of frequencies.
Designed with user convenience in mind, the Hioki 3288 boasts a slim 16 mm profile and weighs only 150 grams, making it lightweight and easy to handle. Its compact size allows for effortless access to conductors in crowded panels and tight spaces, enhancing efficiency during inspections and maintenance tasks.
In addition to current measurements, the Hioki 3288 integrates digital multimeter functions, including voltage, resistance, and continuity testing. This multifunctionality reduces the need for multiple instruments, streamlining the measurement process and improving workflow efficiency.
The device is equipped with a double jaw lever mechanism, facilitating quick and secure clamping around conductors. This feature enhances user efficiency and ensures accurate measurements without the need to disconnect circuits.
Powered by a single CR2032 lithium battery, the Hioki 3288 offers approximately 25 hours of continuous use, ensuring reliability during extended fieldwork. Its long battery life minimizes downtime and the need for frequent battery replacements.
With a CAT III 600 V safety rating for current measurements and CAT III 300 V for voltage measurements, the Hioki 3288 provides confidence in its suitability for various electrical environments, ensuring user safety during operation.
Features
- True RMS Measurement: Ensures accurate readings for both sinusoidal and non-sinusoidal waveforms.
- Wide Current Range: Measures up to 1000 A in both AC and DC circuits.
- Slim and Lightweight Design: Weighs only 150 grams with a 16 mm profile for easy handling in tight spaces.
- Integrated DMM Functions: Includes voltage, resistance, and continuity testing capabilities.
- Double Jaw Lever Mechanism: Facilitates quick and secure clamping around conductors.
- Long Battery Life: Approximately 25 hours of continuous operation on a single CR2032 lithium battery.
- High Safety Ratings: CAT III 600 V for current and CAT III 300 V for voltage measurements.
- Large LCD Display: Features a 4199-count display for clear and precise readings.
- Auto Zero Function: Automatically adjusts the zero point for DC current measurements.
- Data Hold Function: Allows users to freeze the displayed value for easy recording.
Includes
- Coin type lithium battery (CR2032) × 1
- Carrying case 9398 ×1
- Test lead L9208 ×1
- Instruction manual ×1

