Features and benefits Expands the measurement range to 2500 A ac while providing increased display flexibility, ability to measure awkward sized conductors and improved wire access CAT IV 600 V, CAT III 1000 V 7.5 mm coil diameter allows measurement in tight spaces Ergonomic design allows easy operation with one hand 1.8 m (6 ft) cable Three-year warranty How-to open the i2500-18 and i2500-10 iFlex flexible current probes: Twist to unlock Pull to open Safety Conformance IEC/EN 61010-1:2001, 1000V CAT III, 600V CAT IV