Case Study
PQube® 3 Power Analyzers
Uncover Hidden Power Quality Problems
The PQube 3 series of power analyzers offers best-in-class monitoring and analysis of the power quality, environmental and process issues that can impair system reliability and component health. Increasingly sophisticated and sensitive technology, aging infrastructure, accelerating automation and 24/7 production demands create a need for more — and more stable — electrical power.
PQube 3 Industry Applications
End-to-End Visibility
Perfect for critical locations relying on uninterruptible power supply (UPS) to keep power systems healthy and avoid utility penalties, like:
- Data centers and PDUs
- Critical server racks and computer systems
- Utilities and substations
- Commercial and industrial operations
- Semiconductor manufacturing and PDUs
High-Power Load Systems
PQube 3 has multiple 3-phase circuits, allowing for high-power load monitoring and analysis. This, combined with its size (4.33 x 2.89 x 3.08in) and customizable flexibility, make it an ideal tool when solving for:
- Low power factor
- Harmonic distortion
- Voltage fluctuation (sag and swell)
Grid Management & Harmonics
From foundational switchgears and transformers to new and proliferating DERs, microgrids and renewable energies, PQube 3 can monitor and analyze across the spectrum.
Don’t let non-linear loads and associated harmonics (up to 50th order) or supraharmonics (2–150kHz) impact business. PQube 3 can track power quality in real time, all to pinpoint issues across your system.
PQube 3 Key Benefits
Advanced Monitoring & Analysis
As system complexities increase with continued electrification leading to non-linear loads and harmonic distortion, PQube 3 offers best-in-class monitoring (including supraharmonics) and analysis — confirming the origin of malfunctions and power problems to minimize troubleshooting.
Multiple 3-Phase Circuits
More efficiently invest in your power monitoring needs with multiple 3-phase circuits. This allows for increased capabilities at a cost that is on average 5.3x cheaper than competitor analyzers per circuit.
Cloud-Based Management
When used with QubeScan's secure AWS platform, get fleetwide monitoring from anywhere with access to interactive views of waveform events, parameter trends, dashboards and more.
No Software Required
Get event and trend analysis remotely and in real-time with clear data visualization through browser access and email integration, catering to your unique monitoring needs and preferences.
Environmental Parameters
PQube 3 is a complete solution that monitors power quality as well as environmental parameters by leveraging our ENV2 EnviroSensor probe. It tracks temperature, humidity, barometric pressure and acceleration to ensure safe and efficient power usage.
Flexible Installation
PQube 3 is small at 4.33 x 2.89 x 3.08in. and comes with a multitude of options to install: snap-on din rail, existing din-rail enclosure, rugged pole-mount or wall-mount, rack-mount and customizable solutions. There is also a portable option available.
PQube 3 System Integrations
Use PQube 3 with our QubeScan monitoring software to effortlessly manage power quality across a fleet of equipment. PQube 3 collects real-time data at the local level. QubeScan’s secure AWS cloud-based platform ingests the data from all your PQube 3 units and other power analyzers for fleetwide charts and dashboard, analyses and stakeholder collaboration.
Integration Features:
- Multi-Protocol Support: Modbus/TCP, DNP 3.0, SNMP with traps, BACnet, FTP or HTTP (secure FTPS and HTTPS), and email
- Cloud Connectivity: Secure AWS-based data collection and storage
- Fleet Management: Monitor multiple units from single dashboard
- Third-Party Compatibility: Works with existing SCADA systems
- Environmental Monitoring: 2 X ENV2 probes incorporated into PQube 3 for temperature, humidity, barometric pressure and acceleration
PQube 3 Specifications
| Parameter | Specification |
|---|---|
| HMI Display |
Touchscreen, operation LED (flash mode), USB for data download
|
| Weight |
10.5 oz.
(300g)
|
| Dimensions (L x W x H) |
4.33 X 2.89 X 3.08 in
(11.0 cm X 7.34 cm X 7.82 cm)
|
| Voltage Channels |
4 voltage, up to 690V nominal
Optional dual 3ph voltage with external module
|
| Current Channels |
Up to 14 current channels (333mV & +/- 10V)
|
| Analog/Digital/Relay/ENV Sensor |
4 analog & 1 digital; 1-4 relays; 2 X ENV2 probes
|
| Memory & Storage |
Up to 32GB external, USB port and cloud storage
|
| Instrument Power Requirement |
AC: 24 Vac +-10% at 50.60/400 Hz, 1.5A max
DC: +-24 to 48 Vdc +-10% (polarity independent), 1A max
Optional PM1 and PM2 modules: 100 to 240 Vac 50/60 Hz and 120 to 370 Vdc Power over Ethernet (PoE) compatible
|
| PQ Sample Rate & Class |
512 samples/cycle @ 50/60Hz Class A
|
| Harmonics; THD, TDD, THDI |
IEC 61000-4-7 Cl 1 up to 50th
|
| Conducted Emissions Supraharmonics |
Range: 2 to 9 and 8 to 150kHz
0-60Vpk, 2000Hz bins
|
| Power & Energy Class |
kWh Accuracy Cl 0.2
kVARh, kVAh, PF (DPF or TPF)
|
| Flicker |
IEC 61000-4-15
|
| High-Frequency Impulse |
Up to 4 MHz
|
| Unbalance |
IEC, GB and ANSI methods
|
| Communication Protocols |
Modbus/TCP, DNP 3.0, SNMP with traps, BACnet, FTP or HTTP (secure FTPS and HTTPS), and email
|
Manuals, Documentation and Help
This best-in-class power analyzer is designed for advanced power quality analysis — ideal for industries reliant on uninterruptible power supply (UPS) and those working with large, industrial equipment that could be harmed by dirty power. It fits any application from PDUs in data centers and utilities to industrial businesses and semiconductor fabs.
PQube 3 is Class A compliant per IEC 61000-4-30 with 512 samples per cycle at 50/60Hz. Harmonics measurement follows IEC 61000-4-7 Class 1 up to the 50th harmonic. Flicker monitoring complies with IEC 61000-4-15. Energy metering achieves Class 0.2 kWh accuracy. Unbalance measurement follows IEC, GB and ANSI methods.
Yes, the PQube 3 has a portable option as well as flexible installation options. Due to its small size and plug-and-play installation, you simply mount and wire with any of these convenient options:
- Snap-on din rail
- Existing din-rail enclosure
- Rugged pole-mount
- Rugged wall-mount
- Rack-mount
- Portable
- Customizable
PQube 3 supports many industrial protocols including Modbus/TCP, DNP 3.0, SNMP with traps, BACnet, FTP or HTTP (secure FTPS and HTTPS), and email. This enables integration with existing facility management systems and building automation platforms.
PQube 3 enables proactive maintenance by continuously monitoring power quality parameters. It identifies voltage dips, swells, harmonics and other power disturbances that can damage equipment. Historical trend analysis and custom alerts allow facility managers to take preventive measures before problems escalate into costly outages. This helps correctly identify root causes and avoid unnecessary equipment service calls.
PQube 3 offers best-in-class, ultra-precise measurements and comprehensive analytics for industries and applications requiring advanced power quality analysis, such as utilities and data centers. PQ Edge is designed for affordable, essential power measurement and tracking.
PQube 3 Power Analyzer Brochure
PQube 3 Power Analyzers and Accessories Catalog
PQube 3 Portable and Accessories Catalog
PQube 3 ENV2 EnviroSensor Probe Accessories Data Sheet
PQube 3 GridAnalyzer Accessories Data Sheet
PQube 3 Power Analyzer Data Sheet
PQube 3 Portable 480V Data Sheet
PQube 3 Portable 600V Data Sheet
PQube 3e Power Analyzer Data Sheet
PQube 3LV Power Analyzer Data Sheet
PQube 3r Power Analyzer Data Sheet
PQube 3 Rugged Wall Mount Package Data Sheet
PQube 3 Power Analyzers Installation Manual
PQube 3 Power Analyzers Operation and Reference Manual
PQube 3 Portable Installation Guide
Power Quality Monitoring and Correction Portfolio
Power Quality Device Retrofitting
Empowering a Proactive Grid with Power Quality Visibility Whitepaper
Don't Miss These Stories
How We Turn Challenges Into Measurable Results
We've helped companies ranging from Fortune 500 enterprises to leading startups with innovative power quality solutions.
Review All Case Studies & Application Notes
Create a Road Map for Improvement
Gain complete visibility into the hidden issues weighing down your operational efficiency. The ultra-precise PQube 3 continuously measures, identifies and records vital event and parameter data — like voltage and current disturbances, harmonics, impulses, frequency variations, interruptions and overloads. It delivers the actionable insights you need to maximize uptime, boost energy efficiency, extend equipment lifespan and control electricity costs.
Have One Complete, Connected View of Data from All Powerside Analyzers
Instead of pulling data from individual analyzer units, seamlessly view power quality data from your entire fleet through QubeScan – our intelligent, cloud-based, AWS-hosted monitoring platform. Capture, translate, trend and share mission-critical data securely and in customizable fashion.
Explore PQube 3’s
Best‑in‑Class Features
Real Time, Remote Monitoring
Access high resolution power quality and environmental data from anywhere, any time, on any of your devices
Automatic Notifications
Be alerted to events or disturbances based on your unique monitoring needs and preferences
Advanced Diagnostics
Rapidly identify and pinpoint the root causes of energy problems to take corrective action without costly trial and error
Clear, At-a-Glance Data Visualization
Convert raw data into straightforward, easily shareable reports on key metrics like system health, efficiency, performance and trends
Easy Installation
Auto detect the mains frequency, wire configuration and nominal voltage; no software or commissioning required
Endless Use Cases
Get monitoring and measurement capabilities to fit any application, from semiconductor fabs and data centers to health facilities and utilities
Options for Any Application
PQube 3
Versatile for Multiple Applications
The only complete solution on the market capable of monitoring power quality, environmental and process data — all through a single instrument.
PQube 3 Portable
Ideal for Temporary/Challenging Environments
A rugged little power quality monitor that’s designed for quick installation into small spaces and challenging places.
PQube 3e
Multi-Load Monitoring
Designed with multi-load monitoring in mind, just one PQube 3e can do the work of 4 traditional revenue-grade meters.
PQube 3r
Precision Analysis
This ultra-precise analyzer and versatile controller is the ideal choice for protecting sensitive equipment that requires the highest possible reading accuracy.
PQube 3v
Voltage Quality Compliance
Ensure voltage quality compliance at all times with the ability to easily network the PQube 3v for precise monitoring at the point of common coupling.
PQube 3LV
Distribution Grid Monitoring
Ideal for easy interfacing with medium voltage sensors or low voltage output signals, PQube 3LV enables advanced monitoring and analysis for power grids and substations.
