Power Standards Lab PQube 3 Power Quality, Energy & Environment Monitoring
New Low-Cost, High-Precision Power Quality, Energy & Environment Monitoring
General
• Three-phase, single-phase and split-phase monitoring 69~480V L-N, 100~960V L-L, 50/60/400Hz.
• Self-configuration —auto-detects single-phase and multi phase voltage, nominal voltage, nominal frequency.
• Four analog inputs, one digital input, one relay output.
• Optional (up to two) advanced environmental probes.
• Direct connect to 100~690V—no PTs required.
• Powers from 24 VAC, 24~48VDC, POE (Power over Ethernet) or 100~240 VAC with PM1 plug-in module.
• 10 seconds of super-capacitor back up power.
• Optional UPS plug-in module with 30 minutes of backup power.
• Automatic data storage on internal 8GB + removable 8GB micro-SD card (mirrored memory).
• Color touch screen display, can be operated with safety gloves on!
• DIN-rail or optional panel mount bracket.
Power Quality Monitoring Class A
• Certified Class A IEC 61000-4-30 Ed2 (Ed3*).
• High-speed 512* -samples-per-cycle recording.
• Power quality disturbances recorded with waveforms and RMS graphs.
• Voltage sags, swells and interruptions; over-frequency and under-frequency events, time-triggered snapshots.
• Voltage THD, current TDD and current THD; voltage and current unbalance; VARs (fundamental and Budeanu);
VAR-hr accumulator; flicker (Pinst, PST, PLT).
• Voltage and current harmonics and interharmonics—up to the 63rd, with statistics*
• Daily, weekly*, monthly* trends. Cumulative probability, histograms*, and more.
• Rapid Voltage changes (RVC).
Energy (Revenue Class 0.2s Accuracy)
• Available with PSL custom high-precision current transformers to meet the requirements of IEC 62053-22 Class 0.2s and ANSI C12.20 Class 0.2.
• Watts, VA, VARs, True Power Factor, watt-hours, VA-hours, VAR-hours.
• Bi-directional power - received and delivered*
• Peak averages—single-cycle, 1-minute , 15-minute, and at user-selected intervals.
• CT ratios support from 1:1 up to 1:50000; PT ratios support up to 1:10000 (6,900,000) volts.
• Daily, weekly*, monthly* trends; load duration curves.
• Energy accumulators—daily, weekly, monthly.