Power Analyzer

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Precision Power Analyzer (1 to 7 Channel)

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One-shot Results for Narrowband, Full Spectrum and Harmonics


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Product Overview

Measurement Channels

  • Outstanding accuracy of 0.015% of measured value + 0.01% of range
  • Full dynamic range of 500 µA to 32 A / 3 mV to 1000 V per channel available in single instrument
  • Power measurements from standby to full load (max. 32 A) without mechanical changes
  • Analog bandwidth DC up to 10 MHz
  • Modular configuration with 1 to 7 power measurement channels (alternatively 6 channels + 1 I/O card)
  • Gapless sampling up to 18 bit and a minimal cycle time of 10 ms
  • Delay time between V and I input < 3ns, very precise measurements at small power factors (PF) and/or high frequencies



  • Simultaneous measurement of narrow- and broadband values through innovative DualPath architecture
  • Simultaneous capturing of fundamental frequency and broadband RMS values for instantaneous detection of losses, resp. high-frequency components
  • Harmonics and interharmonics up to 2000. order, as required by EN61000-4-7
  • With optional I/O card speed/torque inputs freely configurable for all signal types (analogue, frequency as RS422,TTL or HTL) via menu
  • Flexible scripting tool for custom applications
  • Simultaneous measurement of V, I, P values and harmonics, presentation in tabular or graphical form
  • Signal filters freely configurable by frequency, type and characteristics
  • Synchronization to up to 7 different frequencies simultaneously
  • Flicker measurement, interactions between grid and appliance according to EN61000-4-15



  • Large and clearly arranged touchscreen GUI for intuitive handling
  • All instrument features displayed, identical look-and-feel for local and remote operation for quick and easy familiarization


Memory and Interfaces

  • Internal storage of long-term measurements even with shortest cycle-time thanks to integrated mass storage device
  • Excellent connectivity via USB3.0, Gbit-LAN, RS-232 and DVI



  • Convenient "plug-and-measure" through automated sensor detection
  • no external sensor power supply required
  • 12 months guaranteed calibration interval for minimal service cost and optimal availability
  • Calibration certificate included free-of-charge in first delivery
  • 24 months warranty

Product Features

Simultaneous measurement in two bandwidths thanks DualPath - no compromises, no doubt

In Power meters of traditional construction, a signal first passes through an analog processing, the output values ​​are digitized by an A / D converter and then processed. The resulting signal may then either measured over the full range, or treated with anti-aliasing filters, e.g., to serve as the basis for an FFT or other digital filtering. By restriction to an A / D converter, one has to taken certain disadvantages into account. If measured with a filter, in order to avoid aliasing in the FFT, the broadband values ​​are lost. When the filter is disengaged, strictly speaking, the FFT has to be omitted. If the FFT is performed without anti-aliasing filter for measurement over the full bandwidth, the quality of the calculated values ​​is questionable. For example, an aliasing error of 50% would of course be easily detected, a deviation of 0.5% could remain unnoticed. Finally, it can be switched back and forth between measurements with and without filters. The validity of these results is, however, also doubtful, as would be expected of a temporal invariability of the signal, which is hardly ever the case in reality. Moreover, this method is extremely time consuming.




Ultimately, the shown measurement methods are unsatisfactory compromises. For this reason, ZES ZIMMER has radically redesigned the signal conditioning and developed the DualPath architecture. The analog side corresponds to the conventional instruments, the subsequent digital processing, however, was revolutionized. The power analyzers of the LMG600 Series are the first power meters featuring two A / D converters in each of the two independent signal paths for current and voltage channel. A filter for the contact measurement of the broadband signal, and another for the narrowband signal at the output of anti-aliasing filter. By means of parallel processing of the digitized samples, the user has access to both measurements of the same signal without the risk of aliasing. This unique process eliminates all the disadvantages of previous approaches and guarantees accurate results in the shortest time.

Product Applications

  • Inductive Components and Magnetic Cores
  • Switching Power Supplies 
  • Aviation Compliance 
  • Ultra-high-speed machines 
  • Frequency Converter 
  • Lighting Engineering
  • Electric drive systems 
  • White Goods 
  • Research / Laboratories 
  • Consumer Eelctronics 
  • Power Generation 
  • Transport 
  • Test Bench Design & Development  


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