Product OverviewThe Hioki 3288-20 is a compact, high-performance AC/DC clamp meter featuring True RMS measurement technology. Designed for versatility in industrial environments, it combines the functionality of a clamp meter with the precision of a digital multimeter. Its slim, lightweight profile and "double jaw lever" design make it an excellent choice for technicians who need to take measurements in crowded electrical panels or hard-to-reach wiring environments, such as those found in UPS emergency batteries, train motors, and heavy machinery.Key FeaturesTrue RMS Measurement: Provides highly accurate readings for distorted waveforms, essential when working with modern power electronics, inverters, and variable frequency drives (VFDs).Multi-Functionality: Serves as an all-in-one diagnostic tool, capable of measuring AC/DC current, AC/DC voltage, resistance, and performing continuity checks.Ergonomic, Slim Design: The slim core and double-lever jaw design allow for easy clamping onto conductors in cramped electrical distribution boards.High-Current Handling: Capable of measuring up to 1000A AC/DC, making it robust enough for heavy-duty industrial maintenance.User-Centric Utilities:Auto-Zero Function: Simplifies DC current measurement by eliminating the need for manual zeroing.Data Hold: Freezes the display reading for easier recording in difficult field positions.Auto Power Save: Automatically enters power-saving mode after 30 minutes of inactivity to maximize battery life.Technical SpecificationsFeatureSpecificationBrandHiokiModel3288-20DC Current Range100.0 / 1000 A (±1.5% rdg. ±5 dgt.)AC Current Range100.0 / 1000 A (True RMS, 10–500 Hz, ±1.5% rdg. ±5 dgt.)DC Voltage Range419.9 mV to 600 VAC Voltage Range4.199 V to 600 V (True RMS)Resistance419.9 Ω to 41.99 MΩCrest Factor3 or less (2 at 1000 A, 1.5 at Voltage)Jaw Diameterφ 35 mm (1.38 in)Safety RatingCAT III 600 V (Current), CAT III 300 V (Voltage)Power SupplyCR2032 Coin-type lithium batteryDimensions57 × 180 × 16 mmWeightApprox. 150gSEO KeywordsHioki 3288-20, True RMS Clamp Meter, AC/DC Clamp Meter, 1000A Clamp Meter, HiTESTER, Industrial Electrical Tester, Electrical Diagnostics Tool, Compact Clamp Meter, Hioki 3288-20 Specs, Digital Multimeter Clamp.
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