“Specially designed flexible Rogowski-type current sensors tailored for ELSPEC power quality analyzers, available in 3-sensor (3s) and single-sensor (1s) configurations. Ideal for installations requiring versatility, large conductor coverage, and fast deployment. Main Features: 1.Flexible Rogowski coil design for easy installation around large cables, busbars, or irregular shapes 2.Available in 3s (three-phase set) or 1s (single-phase piece) depending on measurement needs 3.Wide measurement range suitable for low to very high AC currents 4.Lightweight and non-intrusive — no need to disconnect existing wiring 5.High accuracy and stable phase response 6.Durable construction for demanding field environments 7.Plug-and-play compatibility with ELSPEC Pure, G4K, and G4500 analyzers Typical Uses: 1.Measurement of large feeders, generators, transformers, and motor circuits 2.Power quality surveys in industrial electrical rooms 3.Temporary or permanent three-phase monitoring setups (3s) 4.Single-load measurement for focused diagnostics (1s) 5.Ideal for mining, utility, manufacturing, and refinery applications where large conductor sizes are common”

A plug-and-play expansion unit that enhances the Pure Black Box system and extend the operation of the device upto 6 hours of continious operation without power source