Power Sensors Ltd – www.PowerSensorsLtd.com Introducing PQube 3 Power Sensors Ltd – www.PowerSensorsLtd.com

PQube® 3 PQube3/PQube comparison 1/4 PQube Classic PQube 3 Power Quality uses IEC 61000-4-30 methods - HF impulse detection – no recording - Power Quality IEC 61000-4-30 Class A Ed3 2kHz-150kHz cond. emissions measurements 4MHz HF impulse detection & recording Rapid voltage Changes (RVC) Energy Metering– Accuracy class : ANSI C12.20 Accuracy Class 0.5 Energy Metering– Accuracy class : IEC 62053-022 Class 0,2s ANSI C12.20 Class 0.2 for the entire chain including CT’s Hardware 4 Voltage channels External Module for Current (4, 5 chan.) 2 analog AC/DC inputs External Ethernet module Embedded UPS with up to 9 mins 8 Current inputs channels embedded 4 analog AC/DC inputs Ethernet embedded, 3 USB ports External UPS with up to 30 mins/3 hours battery autonomy (configurable) Power Sensors Ltd – www.PowerSensorsLtd.com

PQube® 3 PQube3/PQube comparison 2/4 PQube Classic PQube 3 Sampling frequency 128 samples per cycle Sampling frequency - 512 samples per cycle - 1MHz/4MHz High Frequency impulse - 1MHz for 2kHz-150kHz measurements Voltage inputs Accuracy: ±0.2% rdg ±0.2% FS spec Voltage inputs Accuracy: ±0.01% rdg ±0.01% FS typical Current inputs Accuracy (amplitude): ±0.2% rdg ± 0.2% FS spec Excluding external CTs Current inputs Accuracy (amplitude): ±0.05% rdg ±0.05% FS typical Including the whole chain! PQube3 + CT’s Current inputs Accuracy (angle): ±1deg typical Current inputs Accuracy (angle): ±0.07° typical Including the whole chain! PQube3 + CT’s Power Sensors Ltd – www.PowerSensorsLtd.com

PQube® 3 PQube3/PQube comparison 3/4 PQube Classic PQube 3 Environment Probes TH1 Temperature Humidity Environment Probes EnviroSensor ENV2 Temperature Humidity Barometric pressure 3 axis Acceleration (mechanical shocks, seismic disturbances..) Communications External Ethernet module Web server Email server FTP Modbus TCP/IP Communications 3 USB ports for probes and data copy Embedded Ethernet module Web server (HTTP and secure HTTPs) Email server with secure layer SSL FTP and FTP secure (FTPs) Modbus TCP/IP SNMP (polling, v1,v2 and v3 with traps) Simultaneous FTP/ Modbus/HTTP sessions Power Sensors Ltd – www.PowerSensorsLtd.com

PQube® 3 PQube3/PQube comparison 4/4 PQube Classic PQube 3 Clock synchronization SNTP NTP GPS Storage 4 GB SD Card Data extraction locally by removing the SD card (measurements are interrupted) Internal 16GB flash memory Removable 16GB micro SD Card Data can be extracted locally with no measurement interruption Power Sensors Ltd – www.PowerSensorsLtd.com

PQube® 3 Performance improvements PQube classic Modbus : approx. 150 parameters performance impacted upon event generation or trend generation Modbus refresh rate : 1 Hz Simultaneous data download sessions Performance : Modbus : >3000 parameters no impact upon event generation or trend generation Modbus refresh rate: 2-5 Hz Faster event generation Faster daily trend generation (3 Phase PQube w PQDIF generation): indicative values: PQube 3: email received < 10mins after end of day PQube Classic : received 45 mins or more after end of day Power Sensors Ltd – www.PowerSensorsLtd.com