|Class-A Permanent PQI Devices||OTELLO VectoIII® Multifunction Power, Power Quality & Synchrophasor Analyser||Portable Power Quality Analyser|
|External GPS (±1us) as added extra||Built-in GPS (±100ns)||No GPS|
|Built-In or External Modem|
Not battery powered
Modem not future proof
|Built-in Industrial Grade Sierra Wireless replaceable modem module.||No or external modem|
|Built-in or replaceable Battery||Built-in LiFePO4 |
(10-year design life).
Also supports built-in modem & GPS).
|Built-in or replaceable Battery|
|Limited Cybersecurity||Comprehensive Cybersecurity (Linux Operating system).||No Cybersecurity|
|IP Based communication||Encrypted IP based communication||IP Based communication|
|128, 256, 512, 1024 samples per cycle (varying sampling rate).||500kHz sampling rate with 50kHz waveform capturing.|
(fixed sampling rate).
|128, 256, 512, 1024 samples per cycle (varying sampling rate).|
|Harmonic & Inter harmonic amplitude.||Harmonic & Inter harmonic amplitude & phase. Prevailing harmonics & Higher harmonics up to 25kHz.||Harmonic & Inter harmonic amplitude.|
|No harmonic amplitude & phase compensation.||No harmonic amplitude & phase compensation on both voltage and current inputs.||No harmonic amplitude & phase compensation.|
|No support for Edge computing.||Extensive support for Edge computing. Firmware is highly adaptable and runs on Linux OS.||No support for Edge computing.|
|Simultaneous profile recording of various time and frequency based intervals.||Simultaneous profile recording of various user-defined time and frequency based intervals.|
Multiples of 200ms, 3-sec, 1-min, 10-min, 2h, 24h.
|Simultaneous profile recording of various time and frequency based intervals.|
|Support SCADA Protocols.||Support Modbus, DNP3, IEC61850 SCADA protocols.||No Support for SCADA protocols.|
|Pre & Post Event waveform capturing.||User-Defined Pre & Post event waveform capturing.|
With pre-event up to 60 seconds.
|Pre & Post Event waveform capturing.|
|No support for synchronised, multi-device, high sample rate network event recording.||Full support for synchronised, multi-device, high sample rate network event recording. Devices can XrossTrigger® each other on the recording of events.||No support for synchronised, multi-device, high sample rate network event recording.|
|½ Cycle time resolution on RMS dip/swell profiles.||1/6th Cycle time resolution on RMS dip/swell profiles.||½ Cycle time resolution on RMS voltage dip/swell profiles|
|Digital IO||Digital IO sampled at 50kHz||No Digital IO|
|Onboard Web Interface or MMI to configure the device||Rich onboard Web interface to configure the device, modem, WiFi & other Multi -IO accessories.|
Real-time view with phasor, waveforms and harmonic spectrum.
|Onboard Web Interface to configure the device|