Power Quality Analyser for Hire
Introduction
Power quality measurement is the discipline that connects equipment performance to grid behaviour. Harmonic distortion from inverter-coupled generation, voltage events from switching transients, flicker from large variable loads, and unbalance on three-phase networks all translate into thermal stress, premature equipment failure, and revenue meter inaccuracy if they go unmeasured. The IEC 61000-4-30 standard sets out the measurement methods that allow results from one instrument to be compared meaningfully with another, and the Class A designation is the highest accuracy class defined in that standard. EN 50160 sets the voltage characteristic limits for public distribution networks in Europe, and is referenced widely in Australian power quality reports alongside AS/NZS 61000.3.6 for harmonic emission limits and the National Electricity Rules where grid connection compliance is in scope.
The Megavar power quality hire fleet is built on the Fluke 430 Series II platform, the established three-phase analyser in heavy use across Australian utilities, industrial sites, and engineering firms. The flagship Fluke 435-II is a Class A analyser per IEC 61000-4-30, suitable for formal compliance assessments, contractual power quality verification, and the most demanding troubleshooting work. The 435-II adds transient capture at 200 kHz on all phases simultaneously, GPS time-stamping for synchronised multi-site studies, mains signalling capture, and PowerWave high-resolution event waveform recording on top of the core measurement set shared with the 434-II. The Fluke 434-II is rated Class S under the same IEC 61000-4-30 standard and shares the patented Fluke Energy Loss Calculator and the power inverter efficiency function with the 435-II, at a more accessible price point optimised for energy logging, frontline troubleshooting, and predictive maintenance work where Class A compliance and the advanced transient and waveform capture features are not required.
Both instruments cover the standard three-phase power quality battery: voltage and current per phase plus neutral, frequency, active and reactive power, energy, harmonics to the 50th order, voltage dips and swells, flicker, unbalance, and inrush current. Both carry 600 V CAT IV / 1000 V CAT III safety ratings, the highest available for handheld power quality analysers, which makes them suitable for measurements at the service entrance, main switchboards, and substation low-voltage AC systems. Hire from our offices in Hobart, Launceston, Adelaide and Newcastle, with delivery Australia-wide and engineer-led support from a team that performs power quality surveys as a regular part of substation commissioning, BESS connection verification, and industrial troubleshooting scopes.
Power Quality Testing Applications and Standards
The fleet supports five broad power quality testing scenarios across utility, industrial, and renewable energy sites.
Power quality compliance and contractual verification
Where a customer connection agreement, a generator performance standard, or a network service provider requires formal power quality verification, the test instrument must meet IEC 61000-4-30 Class A. Class A defines measurement accuracy, aggregation intervals, and event detection algorithms tightly enough that results from one Class A instrument can be compared with another, which is the basis of any contractual power quality assessment. The Fluke 435-II is the Class A instrument in the fleet and is the appropriate choice for formal compliance work, generator commissioning under the National Electricity Rules, BESS connection verification, and any scope where the report will be submitted to a network service provider or third-party auditor.
Substation and renewable energy commissioning
Power quality verification on AC auxiliary supplies, station service transformers, and inverter-coupled generation is a normal part of substation, solar farm, wind farm, and BESS commissioning. Inverter installations introduce harmonic content and require verification that the as-built plant complies with its connection agreement and with AS/NZS 61000.3.6 emission limits. The Fluke 435-II and 434-II both deliver harmonic measurement to the 50th order on all three phases simultaneously, with PowerLog and Power Analyze software for trend export, automatic event capture, and report generation.
Industrial troubleshooting and predictive maintenance
Where a facility experiences nuisance breaker tripping, premature motor failure, transformer overheating, or sensitive electronic equipment misbehaviour, a power quality survey is the diagnostic of choice. The instruments measure voltage events, harmonic distortion, flicker, and unbalance at the service entrance or at a suspect distribution board, with up to one month of continuous trend recording capability. The Fluke 434-II is the cost-effective choice for routine troubleshooting and predictive maintenance work where Class A is not required.
Energy auditing and loss quantification
The Fluke Energy Loss Calculator, available on both the 435-II and 434-II, quantifies the financial cost of energy wasted to harmonic distortion, unbalance, and low power factor using the patented Fluke Unified Power Measurement system. The calculation translates abstract power quality measurements into dollar figures, which is the basis on which most power quality remediation business cases are built and approved. Both instruments configure the calculator from the front panel and export logged data to PowerLog or Power Analyze software for report generation.
Solar and BESS inverter performance verification
Both the Fluke 435-II and 434-II include a dedicated power inverter efficiency function that measures AC output power and DC input power simultaneously, calculating inverter conversion efficiency directly. On solar farm and BESS commissioning, this is used alongside the broader power quality survey to verify inverter performance against datasheet figures and against the project commissioning specification. Both instruments also measure the harmonic content of inverter output and the response of inverter-coupled plant to grid disturbances. The 435-II adds Class A compliance and 200 kHz transient capture on top of the inverter efficiency feature where the project requires those capabilities.
When to Hire vs Buy
The Fluke 430 Series II analysers sit at the upper end of the portable power quality instrument market. Capital cost, calibration cycle, software licensing, and the rate at which the underlying firmware is revised by the manufacturer all affect the hire-versus-buy decision.
Hire from Megavar when...
- You need a Class A analyser for a single compliance window or commissioning campaign
- Capital is constrained or your project rate does not justify outright purchase of a current-generation analyser
- Calibration and freight on owned equipment would exceed hire cost over the project life
- You need engineer-led survey planning, instrument set-up, and report interpretation rather than the equipment alone
- Your scope is short and the unit would otherwise sit idle between projects
- You want flexibility to scale up multiple analysers in parallel during a multi-site survey
Consider purchasing when...
- Your team performs power quality surveys on more than 60 days per year
- You have in-house power quality engineers competent on the platform and the report workflow
- Your projects are remote enough that hire freight outweighs purchase plus calibration
- You require permanent on-call availability that hire cannot guarantee
- Your asset management programme commits to a multi-year, multi-site PQ baseline trend programme
- You can amortise the unit over its expected service life of 7 to 10 years
Power Quality Equipment
Available for Hire
Fluke
The Fluke 435 Series II Power Quality and Energy Analyser is a high-performance three-phase power analyser designed for troubleshooting, energy studie…
The Fluke 434 Power Quality Analyser is a comprehensive three-phase power quality and energy analyser, designed to detect, record, and analyse power i…
Calibration
All Megavar test equipment is maintained under a documented calibration programme. Instruments are calibrated either by external calibration laboratories or in-house against reference standards that are themselves laboratory-calibrated, with measurement traceable to Australian national measurement standards held by the National Measurement Institute. A current calibration certificate is available on request. If your project requires a specific calibration interval, test standard, or documentation for a client submission, tell us at enquiry on 1300 730 499 and we will confirm what applies before you commit.
Get a quote for power quality testing equipment hire
Australia-wide delivery, current calibration, engineer-led support. Most enquiries quoted same business day.
Talk to our engineers about your project requirements.
Frequently Asked Questions
for Power Quality Equipment
What is the difference between the Fluke 434 and the Fluke 435?
Both instruments share the same Fluke 430 Series II hardware platform. The Fluke 435-II adds four capabilities not available on the 434-II: full IEC 61000-4-30 Class A compliance for formal power quality assessments (the 434-II is rated Class S under the same standard), 200 kHz transient capture on all phases simultaneously up to 6 kV, GPS time-stamping for synchronised multi-site studies, and mains signalling capture. The Fluke Energy Loss Calculator and the power inverter efficiency function are included on both instruments. The 434-II covers harmonic analysis, voltage events, energy logging, and the standard three-phase power quality measurement set, and is the appropriate choice for routine troubleshooting and energy auditing where Class A compliance is not required.
What is a Class A power quality analyser and when do I need one?
Class A is the highest accuracy class defined in IEC 61000-4-30. It sets measurement accuracy, aggregation interval, and event detection algorithm requirements tightly enough that results from one Class A instrument can be compared meaningfully with another. You need a Class A analyser when the report will be submitted to a network service provider, used in a contractual power quality dispute, referenced in a generator performance standard compliance assessment, or relied on in any formal regulatory or commercial process. The Fluke 435-II is the Class A analyser in the Megavar hire fleet.
What standards apply to power quality measurement in Australia?
The primary international reference is IEC 61000-4-30, which defines the measurement methods, and IEC 61000-4-7 for harmonic measurement, IEC 61000-4-15 for flicker. EN 50160 sets the voltage characteristic limits used widely in Australian power quality reports. AS/NZS 61000.3.6 sets harmonic emission limits for installations on Australian distribution networks. The National Electricity Rules and AEMO’s power system performance standards apply to grid-connected generators and BESS plant. Megavar can develop project-specific PQ test plans against the standards and grid connection agreement that apply to your project.
How long can the Fluke 435-II record power quality data?
The Fluke 435-II can record up to 400 parameters simultaneously at one-minute resolution for approximately one month of continuous logging. With shorter recording periods or fewer parameters, finer resolution down to half-second averaging is possible. This long-duration capability is essential for capturing intermittent events that only occur during specific operating conditions, time of day, or seasonal load patterns. The same logging capability is available on the Fluke 434-II within its measurement set.
What transient capture capability does the Fluke 435-II have?
The Fluke 435-II captures transients at 200 kHz (200,000 samples per second) on all phases simultaneously, with detection capability up to 6 kV. Up to 40 events are automatically captured and stored with pre-trigger data for analysis. This capability reveals fast voltage transients caused by capacitor bank switching, lightning impulses, switchgear operations, and other events that can damage sensitive electronic equipment. The Fluke 434-II does not include the 200 kHz transient capture function; if transient analysis is required for your scope, the 435-II is the correct choice.
Can the Fluke 435-II measure solar inverter or BESS inverter efficiency?
What safety rating do the Fluke 430 Series II analysers carry?
Both the Fluke 435-II and the Fluke 434-II carry a 600 V CAT IV / 1000 V CAT III safety rating, identical across both instruments. CAT IV is the highest measurement category and applies at the origin of installation: service entrances, overhead lines, cable systems, and the supply side of main switchboards. The rating makes both instruments suitable for measurements at substation low-voltage AC systems, main industrial switchboards, and any other high-energy environment where origin-of-installation work is in scope.
Do you provide power quality engineers as well as the equipment?
Yes. Megavar performs full power quality surveys using the equipment in this rental fleet, including survey planning, on-site execution, data analysis, and report writing against IEC 61000-4-30, EN 50160, AS/NZS 61000.3.6, and project-specific connection agreements. If your project requires a turnkey survey rather than equipment hire alone, contact us with the site location, supply voltage, the standards or grid connection agreement that apply, and the survey duration, and we will quote a full scope.
Why Hire from Megavar
Megavar is a specialist HV testing and commissioning firm with offices in Hobart, Launceston, Adelaide and Newcastle. We perform power quality surveys as a regular part of substation commissioning, BESS connection verification, and industrial troubleshooting work for ElectraNet, TasNetworks, Downer, Acciona, Zinfra/Jemena, and renewable energy developers across Australia. The hire fleet exists because we built it for our own commissioning teams first, and we maintain it to the standard those teams require.
When you hire power quality equipment from Megavar you receive: full current calibration with traceable certificates, complete current detector and voltage lead sets, a configuration tailored to your scope, and engineer-led pre-hire briefings on instrument set-up, analyser placement, and event interpretation. Our engineers can advise on test plan development against IEC 61000-4-30, EN 50160, and AS/NZS 61000.3.6, recommend the right analyser tier for your scope, and help interpret the report once the survey is complete. Where the project demands a turnkey power quality survey rather than equipment hire alone, we can quote on the full service including data analysis and report writing.
Hire periods are flexible from single-day commissioning checks through to multi-month project rentals. Delivery is Australia-wide. Call 1300 730 499 or email rentals@megavar.com.au.
Enquire about Power Quality Testing Equipment Hire
Tell us about your project and we will get back to you within 24 hours with availability and a quote.
Or call us directly on 1300 730 499
Explore Rental Categories
Explore Our Services
Independent factory acceptance testing for HV transformers, switchgear, protection panels, and SCADA. Expert witness testing at manufacturer facilities in Australia and internationally.
HV substation design and engineering across Australia: primary plant, secondary protection and SCADA. Megavar designs and delivers the full package.
Power system studies: load flow, short circuit, protection coordination, harmonic analysis, arc flash, and earthing studies. Supporting HV design, compliance, and grid connections across Australia.
Trusted by top enterprises for exceptional results
Explore the latest insights
We’re incredibly excited to share a big milestone in Megavar’s story—we’ve officially opened our new Newcastle branch, located at 22 Gavey Street, Mayfield,
