The ideal extension for your digital multimeter to measure up to 400 A AC, 1 mA per current output for easy reading on the meter. The only current clamp with safety specification CAT IV 600 V, CAT III 1000 V. Specially designed for maximum functionality in an ultra-compact form. Accurate current value measurements without breaking the circuit. Handle with soft, non-slip rubber coating to prevent accidental contact with live cables.