Check the listing for details. ME440 Three-phase Rogowski Power Analyzer Handheld Data Loggoer Electrical Meter. Condition: New. Listed at 707.48 USD. template Digital Three-phase Rogowski Power Analyzer Handheld Data Loggoer Electrical Meter New Model ME440 Current sensor 4pcs BNC terminal 333mV CT 4pcs BNC terminal Rogowski coil 4pcs BNC terminal current clamp Storage 16GB Memory,USB DISK download (save intervals 1mins default) Power 2*2900mAh 18650 lithium battery(wroking time: approx 10 hours) Or 5V DC power supply(included adaptor) Product component type Handheld; Three phase, Single phase; Data logger; Power analyzer Device application Power analysis Data log Display 3.5 inch TFT screen display Sampling rate 8k samples per second Harmonic 51th simultaneouly Weight 850g (with Accessory 2kgs) MODEL NRC-100 NRC-150 NRC-200 Coil length 395 525 665 Window size 100mm 150mm 200mm Reference Rated current 1000A 3000A 6000A Weight Approx 100-120g Ratio Calibrated 100mV/kA@50Hz 85mV/kA@50Hz Uncalibrated 105mV/kA@50Hz Read Accuracy Calibrated