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- Fluke 381 is a True RMS AC/DC clamp meter with a detachable wireless display and iFlex™ probe, offering current measurements up to 2500 A and exceptional flexibility for one-person operation in tight or hazardous environments
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[specifications] [/specifications]
FLUKE-381 True RMS AC/DC Clamp Meter with iFlex
The Fluke 381 True RMS Clamp Meter with iFlex redefines flexibility in electrical diagnostics. Featuring a detachable, wireless display, this clamp meter allows one technician to measure safely and efficiently — even at a distance of up to 30 feet. The included iFlex™ flexible current probe extends measurement capabilities up to 2500 A AC and improves access to awkward or tight conductors. Designed for demanding industrial environments, it includes a low-pass filter and advanced signal processing to ensure accurate readings in noisy settings. With built-in Min/Max/Inrush capture and a bright backlit display, the Fluke 381 delivers a safe and efficient workflow for professionals working with high current systems.
Key Features:
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Detachable Wireless Display: Monitor live readings from up to 30 feet away for safer and more convenient testing.
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Extended Current Measurement: iFlex™ probe supports AC current up to 2500 A with improved conductor access.
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Comprehensive Measurement Functions: AC/DC current, AC/DC voltage, resistance, frequency, and continuity.
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True RMS Accuracy: Reliable results on non-linear and noisy signals.
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Industrial-Grade Build: Rugged design with ergonomic grip, suitable for use with protective equipment.
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Advanced Features: Includes Min/Max/Average/Inrush, hold function, and low-pass filter for motor applications.
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Backlit Display: Auto-ranging, easy-to-read screen with magnetic mount option for hands-free use.
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Certified Safety: CAT III 1000 V / CAT IV 600 V rating for high protection standards.
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Includes Accessories: 18-inch iFlex™ flexible current probe and a soft carrying case.
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Technical Specifications:
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AC Current (via jaw: 999.9 A, Accuracy: ±2% ±5 digits
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AC Current (via iFlex: 2500 A, Accuracy: ±3% ±5 digits
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DC Current: 999.9 A, Accuracy: ±2% ±5 digits
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AC Voltage: 1000 V, Accuracy: ±1.5% ±5 digits
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DC Voltage: 1000 V, Accuracy: ±1.0% ±5 digits
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Resistance: Up to 60,000 Ω, Accuracy: ±1.0% ±5 digits
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Frequency: Up to 500 Hz, Accuracy: ±0.5% ±5 digits
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Continuity: Audible detection
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True RMS: Yes
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Inrush Current: Captures motor start current as seen by protection circuits
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Low Pass Filter: Included
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Hold Function: Yes
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Display: Large backlit with auto-ranging and magnetic mount
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Wireless Range: Up to 30 ft
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Wire Capacity: 750 MCM or 2–500 MCM
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Safety Ratings: CAT III 1000 V, CAT IV 600 V
