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New Yokogawa ScopeCorder adds real-time Power Analysis
14 November 2013 - Yokogawa has added two new instruments to its ScopeCorder family of portable multi-channel data-acquisition recorders. The new DL850E and DL850EV (Vehicle Edition) ScopeCorders incorporate a number of new features to allow engineers to measure and analyze a wealth of signals in real time and to speed up development and fault finding in areas such as power electronics, mechatronics and transportation.
In addition to the high-speed multi-channel capabilities plus long memory and isolated input channels found in Yokogawa’s established ScopeCorder family, the new DL850E instruments have the ability to carry out the real-time measurement and analysis of electrical power.
“Today, ScopeCorders are widely used in industries such as automotive and aerospace where measurements of physical quantities need to be displayed and analyzed alongside electrical signals”, says Terry Marrinan, Yokogawa’s Vice President, Test & Measurement, for Europe & Africa: “Their potential range of applications has suddenly become much wider with the ability to take real-time power measurement and analysis to a new level.”
All members of the ScopeCorder family are equipped with a set of basic arithmetic mathematical functions such as addition, subtraction, division, multiplication, fast Fourier transformation and other computations, but the new DL850E versions also offer the /G5 option for real-time measurement of electrical power as well as the existing /G3 option for real-time mathematical computations and digital filtering and the /G2 option for user-defined computations.
With the /G5 electrical power option, trend calculations such as active power, power factor, integrated power and harmonics can be carried out at data update rates up to 100 kS/s using a dedicated digital signal processor (DSP) that is able to calculate and display up to 126 types of electrical power related parameters in real time. This enables the user to display raw waveform signals such as voltages and currents along with calculated power parameters as well as the capability to trigger on any or all of them. Trend waveforms of each order of harmonics, bar-graphs and vector displays can be displayed. Both RMS and power analysis modes are available. In addition to the powerful power calculations, the /G5 option also contains all the functionality of the /G3 real-time mathematics option.
Like existing members of Yokogawa’s ScopeCorder family, the DL850E combines features from a high-performance digital oscilloscope and a multi-channel data-acquisition recorder. It can capture and analyse both transient events and trends over time periods from milliseconds up to 200 days, storing acquired data in the large acquisition memory, the internal hard disk and/or an external PC hard disk.
Flexible modular inputs enable the DL850E to combine measurements of electrical signals, physical parameters from sensors, and data from CAN/LIN serial buses. A choice of 17 input modules allows the instrument to be configured up to a maximum of 128 channels, giving engineers a thorough insight into any application by synchronising the measurement of different types of electrical and physical signals. Individually isolated and shielded input channels provide high resolution and high sample rates, while Yokogawa’s unique “dual capture” feature allows transient signals to be captured during long-term measurements by recording at two different sampling rates.
The DL850E and DL850EV ScopeCorders are equipped with a large and fast acquisition memory, allowing storage of up to 2 gigapoints of data and providing high sample rates of up to 100 MS/s on multiple channels simultaneously. Yokogawa’s unique history memory function allows users to quickly isolate and examine individual waveform records for detailed analysis.
The ScopeCorder DE850EV Vehicle Edition is designed for engineers working in the automotive and railway industries. A common measurement challenge is to combine measurements of electrical signals, physical performance parameters acquired by sensors, and CAN- or LIN-bus data transmitted by the powertrain management system. The DL850EV Vehicle Edition addresses this requirement by providing a thorough insight into the dynamic behaviour of the electromechanical system. The result is a considerable saving of time saved compared to other approaches such analysis on a PC or the use of other software.
A DC power option allows the DL850EV to be used in a vehicle, with power being supplied by the vehicle’s DC battery. The DC power option allows AC and DC power supplies to be used together to ensure a highly reliable power source. If the AC power goes down, the DL850V instantly switches to a DC input without interrupting the measurement.
The quality and reliability of the DL850E and DL850EV ScopeCorders are supported by a standard 3-year warranty.
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