Fluke 434 ii is Built to help users minimize downtime, quickly troubleshoot power quality issues, and easily discover the costs of wasted energy. Downtime is costly therefore, acquiring data you need to solve to critical power quality issues quickly is key. This unit’s measurement process and data output are optimized to aid you to access critical information easily.
Multiple parameters are measured simultaneously and displayed in formats that quickly describe overall power quality health. The detailed information helps you make better maintenance decisions—whether you’re trying to reduce energy waste, find the source of power quality issues or see how motor startups are affecting your electrical system. Data can be accessed as simple digital values, trend graphs (for fast insight into changes over time), waveforms, or phasor diagrams. The data can also be analyzed and organized into tabular formats. Detailed event data allows you to see the magnitude, duration and time stamping of anomalies enabling you to rapidly correlate the problems you are experiencing in your facility.
- Energy loss calculator: Classic active and reactive power measurements, unbalance and harmonic power, are quantified to pinpoint true system energy losses in dollars (other local currencies available)
- Power inverter efficiency: Simultaneously measure AC output power and DC input power for power electronics systems using optional DC clamp
- Troubleshoot: Analyze the trends using the cursors and zoom tools
- Highest safety rating in the industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance
- Measure all three phases and neutral: With included four flexible current probes with enhanced thin flex designed to fit into the tightest places
- Automatic Trending: Every measurement is always automatically recorded, without any set-up
- System-Monitor: Ten power quality parameters on one screen according to EN50160 power quality standard
- Logger function: Configure for any test condition with memory for up to 600 parameters at user defined intervals
- View graphs and generate reports: With included analysis software
- Battery life: Up to 8 hours operating time per charge on Li-ion battery pack.
UPM gives a more comprehensive breakdown of the energy consumed in the plant. In addition to measuring reactive power (caused by poor power factor), UPM also measures the energy waste caused by unbalance; the effect of unevenly loading each phase in three-phase systems. Unbalance can often be corrected by reconnecting loads on different phases to ensure the current drawn on each phase is as equal as possible. Unbalance can also be corrected by installing an unbalance reactance device (or filter), that will minimize the effects. Correcting unbalance should be basic good housekeeping in the facility as unbalance problems can cause motor failure or shorten equipment life expectancy. Unbalance also wastes energy. Using UPM can minimize or eliminate that energy waste, thus saving money.
UPM also provides details of the energy wasted in your facility due to the presence of harmonics. Harmonics may be present in your facility due to the loads you operate or may be caused by loads in adjacent facilities. The presence of harmonics in your facility can lead to:
- Overheating transformers and conductors
- Nuisance tripping of circuit breakers
- Early failures of electrical equipment
Quantifying the cost of wasted energy due to the presence of harmonics simplifies the return-on-investment calculation needed to justify purchasing harmonic filters. By installing a harmonic filter the ill effects of harmonics can be reduced and energy waste eliminated, resulting in lower operational costs and more reliable operation.
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