Fluke i400 – Overview The Fluke i400 is an accessory clamp probe that extends the current-measurement capability of digital multimeters. It enables AC current measurement up to 400 A without breaking the circuit, safely and conveniently. With high safety ratings and a compact design, it is suitable for industrial, electrical maintenance, and field service settings where safety, space, and accuracy are important. Key Features Measures AC current from 1 A to 400 A continuously Maximum non-destructive current up to 1000 A for brief use 1 mA per ampere output for easy reading on compatible DMMs CAT IV 600 V / CAT III 1000 V safety rating Usable frequency range 5 Hz to 20 kHz Compact design with over-molded, non-slip handle for safe handling Compatible with large conductors up to 32 mm diameter Shrouded banana plugs and long output cable (≈ 1.5 m) Technical Specifications Model: Fluke i400 Continuous Current Range: 1 A to 400 A AC Maximum Non-Destructive Current: 1000 A AC Basic Accuracy: ±(2 % of reading + 0.06 A) at 45-400 Hz Lowest Measurable Current: 1 A Frequency Response: 5 Hz to 20 kHz Output Level: 1 mA per amp (AC) Safety Standards: Cat IV 600 V / Cat III 1000 V Max working voltage: 1000 V AC rms from the conductor to earth ground Maximum Conductor Diameter: 32 mm Output Cable Length: 1.5 m Plug Type: Shrouded banana plugs (4 mm) Weight & Size: ~114 g; compact clamp head Warranty: 1 year Applications Measuring AC current in panels, motors, switchgear without interrupting the circuit Supplementing a digital multimeter for higher current ranges Field and industrial troubleshooting where safety and insulation categories are critical Use in noisy or high interference environments owing to wide frequency response Why Choose Fluke i400 High safety rating ensures protection in demanding electrical work Offers high current capability while allowing use of existing multimeters Compact clamp design improves reach and usability Good accuracy and wide frequency span give reliable readings for both steady-state and somewhat dynamic loads Order Now The Fluke i400 400 A AC Current Clamp is available for purchase. Ships worldwide.
