... current, on-line monitoring 2.Range:0.0~500A ETCR8300 Three-Channel Leakage/Current Monitoring Recorder Our buyers have stayed ... for 240 hours, Data Memory: 3900 sets I. Introduction ETCR8300 series Three-Channel Current/Leakage Monitoring Recorder is well designed ... 1 PCS; Software Disk: 1 PCS III. Field Application ETCR8300 Three-Channel Leakage/Current Monitoring Recorder----Manufactory,ISO,OEM,ODM