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OTELLO VectoIII® Multifunction Measurement Platform Product Comparison

Class-A Permanent PQI DevicesOTELLO VectoIII® Multifunction Power, Power Quality & Synchrophasor AnalyserPortable Power Quality Analyser
$3,000-$10,000$4,450$3,000-$18,000
External GPS (±1us) as added extraBuilt-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 BatteryBuilt-in LiFePO4 
(10-year design life). 
Also supports built-in modem & GPS).
Built-in or replaceable Battery
Limited CybersecurityComprehensive Cybersecurity (Linux Operating system).No Cybersecurity
IP Based communicationEncrypted IP based communicationIP 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 IODigital IO sampled at 50kHzNo Digital IO
Onboard Web Interface or MMI to configure the deviceRich 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

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