Power Analyzers & Loggers 54 Items

54 Items

Power Analyzers & Loggers

Ensure reliable power monitoring and diagnostics with our range of single-phase and three-phase power quality analyzers, along with versatile power and energy loggers—also known as electrical data loggers. Designed for industrial plants, utilities, commissioning engineers, and energy auditors, these instruments provide the data needed to troubleshoot issues, track usage, and improve overall power system performance.

Power Analyzers & Loggers
Position
Data Logger DL914 AC Current Logger IP67 USB Wi-Fi Rechargeable Battery Product View

AEMC DL914 4-Channel MiniFlex AC Current Data Logger WiFi IP67

Data Logger DL913 AC Current Logger IP67 USB Wi Fi Rechargeable Battery Product View

AEMC DL913 3-Channel MiniFlex AC Current Data Logger WiFi IP67

Fluke 1735 Power Logger Three-Phase System Electrical Energy Analyzer with 4 flexible current probes (15 A/150 A/3000 A)

Fluke 1735 Power Logger Three-Phase System Electrical Energy Logger

$3,199.95
1730/US Kit The Fluke 1730 Three-Phase Electrical Energy Logger is an advanced power analyzer that simplifies energy audits and load studies.

Fluke 1730 Three-Phase Electrical Energy Logger Kit

Power Analyzers & Power Loggers for Energy and Power Quality Work

Cartoli’s selection of power analyzers, power quality analyzers, power loggers, and power quality loggers is built for electricians, energy managers, maintenance teams, and engineers who need reliable insight into electrical performance. Some jobs require high-accuracy power measurement to quantify load, demand, and efficiency. Others require power quality diagnostics to capture disturbances, identify root causes, and document conditions over time.

Power Analyzers

Power analyzers are precision instruments used to measure electrical power and energy accurately and produce replicable results. These tools focus on what a system consumes and how it performs electrically under load. Power analyzers commonly measure voltage, current, frequency, real power (kW), apparent power (kVA), reactive power (kVAR), power factor, and energy (kWh), and are frequently used for benchmarking, verifying improvements, comparing loads before and after changes, and documenting electrical performance for audits or internal reporting. In short: it answers the question, “How much power is this using, and how does it behave under load?”

Power Quality Analyzers (PQA)

Power quality analyzers are diagnostic instruments that identify and document power quality problems, especially when equipment is tripping, overheating, malfunctioning, or failing prematurely. In addition to core power parameters, PQAs are built to capture and characterize electrical disturbances like harmonics/THD, voltage sags (dips), swells, interruptions, transients, inrush events, and waveform anomalies (capabilities vary by model). PQAs are typically the best fit when for finding root-cause evidence, not just “what the load is,” but “what’s happening on the line that could be causing issues.”

Power Loggers

Power loggers are built for long-term monitoring and trending of power and energy. Instead of short-term spot measurements, a logger is intended to be installed and left in place to capture how loads change across operating cycles, shifts, or seasons. Power loggers typically record voltage, current, power (kW/kVA), power factor, energy (kWh), and demand/peak loading over time. They’re ideal for building a clear load profile, identifying peaks, confirming run-time patterns, and supporting capacity planning, especially when time-stamped data is needed to document what happened and when it happened.

Power Quality Loggers

A power quality logger is designed to record power quality conditions over time, capturing both trends and disturbance events that might be intermittent or difficult to reproduce on demand. Most PQ loggers can track RMS parameters, as well as log events such as sags, swells, interruptions, and harmonic distortion, making them a strong fit for documenting utility supply issues, correlating downtime with electrical disturbances, or gathering evidence before deeper troubleshooting.

Common Use Cases by Instrument

Power analyzers and loggers share many core measurements, but they are applied differently based on whether the objective is precision measurement, long-duration trending, or power quality event capture.

Power Analyzers: Measurement and Verification

  • Support energy studies and performance documentation with accurate kW/kVA/kVAR, power factor, and kWh measurements.

  • Validate efficiency and quantify improvements by comparing electrical performance before and after upgrades or process changes.

  • Document commissioning and corrective-action results where repeatable, traceable measurements are required.

Power Loggers: Load Profiling and Capacity Planning

  • Create time-based load profiles showing how demand and consumption vary across operating cycles, shifts, or seasonal conditions.

  • Capture peak magnitude, peak duration, and peak timing on panels, feeders, generators, and UPS systems to support capacity assessment.

  • Provide long-duration trending data for peak demand investigations, infrastructure planning, and load-management initiatives.

Power Quality Analyzers: Diagnostic Troubleshooting

  • Investigate disturbance-driven symptoms such as nuisance trips, intermittent VFD faults, equipment resets, and elevated transformer/neutral heating.

  • Perform deeper diagnostics through waveform capture, transient/inrush characterization, and event-driven measurement.

  • Measure harmonics/THD and characterize distortion associated with nonlinear loads.

Power Quality Loggers: Long-Term Disturbance Documentation

  • Build time-stamped records of intermittent events that can be correlated to alarms, process disruptions, and downtime.

  • Document incoming service conditions when voltage dips, momentary interruptions, or recurring anomalies are suspected.

  • Track how harmonics and distortion levels trend over time and how they align with changing load conditions.