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Description
Zes Zimmer (Now a Rohde & Schwarz Company) LMG611 – Single Channel Power Analyser
- Frequency: DC-10 MHz
- Accuracy: 0.025%
- Ranges: 3 V – 1000 V / 5 mA – 32 A
In Power meters of traditional construction, a signal first passes through an analogue processing, the output values are digitised by an A/D converter and then processed. The resulting signal may then either be 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 restricting to an A/D converter, one has to take 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 an 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.
- 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, respectively. 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 are freely configurable by frequency, type and characteristics
- Synchronisation to up to 7 different frequencies simultaneously
- Flicker measurement, interactions between the grid and the appliance according to EN61000-4-15
- Large and clearly arranged touchscreen GUI for intuitive handling
- All instrument features are displayed, with an identical look-and-feel for local and remote operation for quick and easy familiarisation
- Internal storage of long-term measurements, even with the shortest cycle time, thanks to an 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 the first delivery
- 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
- Analogue bandwidth DC up to 10 MHz
- Modular configuration with 1 to 4 power measurement channels (alternatively 3 channels + 1 I/O card)
- Gapless sampling up to 18 bit and a cycle time of 30 ms
- Delay time between V and I input < 3ns, very precise measurements at small power factors (PF) and/or high frequencies
ZES ZIMMER precision power analysers are developed and tested for a wide range of systems and devices across industries. These include frequency inverters, automotive hybrid drives, railway engines, wind turbines, and photovoltaic systems. They are also used in testing iron and ferrite cores, transformers, electric motors, power supplies, lighting technology, including ballasts, household devices, ohmic and induction furnaces, energy meters, and batteries. ZES ZIMMER solutions support sectors such as white and red goods, consumer electronics, scientific laboratories, consulting and calibration institutes, as well as energy generation (both conventional and renewable). Applications extend to transport, including automotive, aerospace, and rail-lighting technology, motor and electric drive systems, inductive components, and test bench design and development.
LMG600 Sensors User Manual
