Fluke has introduced its new Fluke 438-II power quality and motor analyser, adding key mechanical measurement capabilities for electric motors to the advanced power quality analysis functions of the Fluke 430 Series II power quality analysers. They measure and analyse key electrical and mechanical performance parameters such as power, harmonics, unbalance, motor speed, torque and mechanical power without the need of mechanical sensors.
The 438-II is the ideal portable motor analysis test tool, locating, predicting, preventing, and troubleshooting power quality problems in three-phase and single-phase power distribution systems, while giving technicians the mechanical and electrical information needed to effectively evaluate motor performance. Features and benefits include:
• Measure key parameters on direct-on-line motors including torque, RPM, mechanical power and motor efficiency.
• Perform dynamic motor analysis by plotting of motor de-rating factor against load according to NEMA guidelines.
• Calculate mechanical power and efficiency without the need for mechanical sensors. Measure electrical parameters such as voltage, current, power, apparent power, power factor, harmonic distortion and unbalance to identify characteristics that impact motor efficiency.
• Identify power quality issues such as dips, swells, transients, harmonics and unbalance.
• PowerWave data technology captures fast RMS data, and shows half-cycle averages and waveforms to characterise electrical system dynamics.
• Waveform capture function captures 100/120 cycles (50/60 Hz) of each event detected event, in all modes, without set-up.
• Automatic transient mode captures waveform data at 200 kS/s on all phases simultaneously up to 6 kV.
The Fluke 430 Series II Power Quality Analyzers are Fluke Connect compatible, which means that users can view data locally on the instrument, via the Fluke Connect mobile app, or using the PowerLog 430-II desktop software. The series is safety rated for industrial applications.
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