Power Analyzer/Datalogger Calibration Certificate NIST Current Channels 4 Includes (4) Mfr No TR-2500A 10 to 500 A Current Probes 4 GB Memory Card Battery and Power Supply EPRW Report Writer Software Soft Carry Case and Instructions Voltage Leads and Clips Peak Capture Yes Power Factor 0 to 1 Voltage Channels 4 Calibration Frequency 45 to 65 Hz Communication Protocol Memory Card Current Accuracy +/-0.1 Percent +Current Transducer Accuracy Display Resolution 320 x 240