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YOKOGAWA DL850E/DL850EV SCOPECORDER

Category: SCOPECORDERS

Measure and analyze a wealth of signals in real-time and speed up development and fault finding.

The DL850E ScopeCorder is a powerful portable data acquisition recorder and oscilloscope that can capture and analyze both transient events and trends up to 200 days. Using flexible modular inputs it combines measurements of electrical signals, physical (sensors) and CAN / LIN serial buses and is able to trigger on electrical power related and other calculations in real-time.

Localized language brochures are available below in the Specifications tab.


- Release of new firmware version 3.11 - July 25,2014

  • DETAILS
    • FEATURES

      Flexible and Swappable Input Modules With Built-in Signal Conditioning

      Choose from 17 types of input module and install up to 8 in a ScopeCorder at a time to configure a ScopeCorder up to 128 channels.

      • Voltage & Currents
      • Sensor Outputs
      • Temperature, Vibration/Acceleration, Strain, Frequency
      • Logic Signals & CAN / LIN

      Precise Measurement of Fast Switching Signals Even in the Harshest Environments

      Individually isolated and shielded input channels provide high-resolution and high sample rates.  

      Real-Time Evaluation of Dynamic Behavior within Power Applications

      Trend calculations such as active power, power factor, integrated power, harmonics and more using the new power math option.
       

      A Trustworthy Measurement Platform for Durability Testing

      Measurement recording up to 200 days to the large 2 Gpoint acquisition memory, the internal hard disk and/or PC hard disk.
       

      Reduce Time Spent on Fault Finding

      Capture transient signals even during long term measurements using powerful triggers and unique features such as dual capture & history memory.

      Picture Source: Yokogawa T&M Hausmagazin 22/11, “Untergrund-Elektronik”.

      Fast and Large Acquisition Memory

      A ScopeCorder is equipped with a large & fast acquisition memory up to 2Gpoint and enables high sample rates of up to 100MS/s on multiple channels simultaneously. This is ideal for viewing multiple inverter switching outputs simultaneously.
      • Standard memory 250MPoint
      • Expanded memory 1GPoint (/M1 Option)
      • Expanded memory 2GPoint (/M2 Option)

      Giga Zoom Engine II

      Zoom into 2 Billion samples in just a blink of the eye. Each ScopeCorder is equipped with the revolutionary Giga Zoom Engine II, a powerful processor designed for optimizing access to data seamlessly. It is possible to activate 2 zoom windows while displaying the entire original signal.
    • FUNCTIONS

      Capture and record detailed waveforms from milliseconds up to months

      A ScopeCorder provides a wide variety of unique acquisition features to handle small or large amounts of data. Therefore it can perform multi-channel measurements for longer measurement periods while still being able to precisely capture transient events with the highest detail.

      Reduce time spend on fault finding or transient analysis - simple & enhanced triggers

      Having the possibility to set individual triggers on multiple channels provides the power to investigate what causes a particular transient event. Moreover, the availability of a large acquisition memory, and thus longer measurement time, helps the analysis of the effect of such an event on other parts of the application.

      Wave Window Trigger
      The ideal trigger for AC power line monitoring. Easily capture voltage sags, interfering impulses, phase shifts or drop outs.

      Action on trigger
      Leave a ScopeCorder unattended and automatically save the waveform to a file or send an email for notification of a trigger event.

      Capture High-Speed Transients During Long Term Recording - Dual capture

      To visualize long term trends for durability testing, data is typically acquired at lower speed sample rates. On the other hand, suddenly-occurring transitional phenomena have to be captured at high-speed sample rates and detail to be able to investigate the event. The "Dual Capture" function uniquely resolves these conflicting requirements by recording at two different sampling rates.

      Set waveform triggers and capture 5,000 high-speed transient events at sample rates up to 100 MS/s, while at the same time continuously record trend measurements at up to 100kS/s.

      Recall waveform events - History Memory

      When an abnormal phenomenon is spotted during a repetitive high speed measurement, the anomaly has often already disappeared from the screen by the time the measurement is stopped. With a ScopeCorder the "History" function is always active and automatically divides the available acquisition memory in up to 5,000 "history waveforms".

      These history records are easily accessible and can be displayed simultaneously after measurement is stopped. Using condition-based searches inside the history memory, users can quickly isolate individual waveforms records. Once the required waveforms have been identified they can be used for further analysis.

      Cursor Measurement

      Using cursors is a quick and easy method to measure waveform parameters on the screen. Available cursors are horizontal, vertical, marker, degree or combined horizontal & vertical.

      Automatic Waveform Parameter Measurement

      The parameter measure function is the most precise method for automatically calculating any or all of the 28 different waveform parameters such as, amplitude, peak to peak values, RMS, rise time, frequency and more.The internal time clock (date and time) can be synchronized and adjusted across multiple units. Applications are likely to include synchronizing the ScopeCorder at a windmill farm, finding faults in power grids, and more.

      Cycle Statistics

      With this powerful analysis function, the ScopeCorder measures selected parameters individually for each waveform cycle and provides statistical information which can easily be saved to a file. By selecting maximum or minimum values from the results, the instrument can automatically zoom into the selected waveform cycle for further analysis, potentially saving additional data analysis time.

      Real-time hard disk recording

      Use a ScopeCorder as a measurement platform for simple durability testing up to 200 days. Realtime hard disk recording enables measurement data to be streamed directly to either a built-in hard drive (/HD0 option) or via the eSATA interface (/HD1 option) to an external hard drive.
       
      Measurement examples to internal or external Hard Disk

      Continuous PC based data acquisition - ScopeCorder Acquisition Software

      Especially for longer duration or surveillance testing the ScopeCorder comes with an easy to setup acquisition software. The software enables continuous data recording to a PC hard drive. When using the software in free run mode there are virtually no restrictions in recording time and/or file size. Just click the start button to immediately start measurements!

      DL850EAcqSoft

      The Setup Wizard Makes It Easy
      Guided by four screens, the Setup Wizard easily guides you through the necessary settings for configuring the acquisition system such as measurement settings, data save and display options.

       a free copy of the ScopeCorder Acquisition Software.

      GPS Time Synchronisation

      The ScopeCorders internal clock and the sampling clock can be time synchronized with a GPS clock reference using the /C20 or /C30 option. This allows multiple units to be synchronised in order to combine measurements from different remote locations with most accurate timing. Applications are likely to include synchronising the ScopeCorder measurements at a windmill farm, finding faults in power grids and railway applications. Measurement files from multiple ScopeCorder units can be merged into one measurment overview using Xviewer software.

      GPS Interface (/C30 option)
      A GPS antenna (included with the option) can be directly connected to the ScopeCorder side panel.
      The instruments time clock and the sampling clock will be synchronized to the GPS clock with ±200ns accuracy.

      IRIG interface (/C20 option)
      An IRIG time code signal generated by an external GPS clock device (not included) can be offered to the ScopeCorder.

      REAL-TIME ANALYSIS

      Powerful Real-Time Calculations and Analysis Functions

      By default the ScopeCorder is equipped with a set of basic arithmetic mathematical functions such as addition, subtraction, division, multiplication, fast Fourier transformation and other computations. Furthermore to really enrich the measurement and analysis capabilities of a ScopeCorder, several real-time options are available.

      Real-Time Measurement of Electrical Power - /G5 option

      Trend calculations such as active power, power factor, integrated power and harmonics, 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 power calculated parameters and even the capability to trigger on all of them. Data updating rate up to 100kS/s. Trend waveforms of each order of harmonics, bar-graphs and vector displays can be displayed. Both RMS and Power analysis modes are available. Besides the powerful power calculations, the /G5 option also contains all the functionality of the /G3 option.

      Real-Time Mathematical Computations and Digital Filtering - /G3 option

      Armed with a dedicated digital signal processor the ScopeCorder can perform mathematical calculations such as arithmetic operators with coefficients, integrals and differentials, and higher order equations on acquired measurement data. The results of these calculations are displayed during waveform capture in real-time. In addition to mathematical operators, steep digital filters can also be selected to isolate or trigger on the amplitude of certain frequency components.

      User defined computations - /G2 option

      With user defined computations it is possible to create equations using a combination of differentials and integrals, digital filters, and a wealth of other functions. Moreover it is possible to perform various types of FFT analysis using two FFT windows. In applications such as vibration and shock tests, you can easily evaluate abnormal vibrations while simultaneously measuring other signals.

      Application Example | With FFT

      CONNECTION INTERFACES

      Flexible operation and a variety of connection interfaces

      A ScopeCorder has been designed to grant users access to functionality in the field quickly and easily using the front panel menu buttons. For users that prefer workbench operation it is possible to connect a USB mouse or keyboard.

      Front View

      Left Side View

      Right Side View

      Software Control

      Analyze measurement data using the ScopeCorder itself or on the PC using the Yokogawa Xviewer software or select any of the drivers below. Please download "free software" and "Trial Versions" in the software tab above.

      DL850EV VEHICLE EDITION

      The ScopeCorder Vehicle Edition is designed for engineers working in the automotive and railway industry. A common measurement challenge is to combine measurements of electrical signals, physical performance parameters, indicated by sensors, together with CAN- or LIN-bus data transmitted by the powertrain management system. A ScopeCorder Vehicle Edition addresses this requirement by providing a thorough insight into the dynamic behavior of the electromechanical system. The result is a considerable saving of time compared to other approaches such as analysis on a PC or the use of other software.

      CAN and LIN Bus Monitoring

      Use a ScopeCorder to decode the CAN or LIN-Bus signals and display information on physical data like engine temperature, vehicle speed and brake-pedal position as analog waveforms and compare this with the data coming from real sensors.

      Symbol Editor

      The symbol editor is a software tool which makes it possible to define which physical values from the CAN- or LIN-bus data frame have to be trended as waveform data on the display of the ScopeCorder. The Symbol Editor can accept vehicle-installed network definition files (CAN DBC, LIN LDF).


      Battery Powered Operation - /DC option

      In addition to AC power, it is also possible to take the ScopeCorder Vehicle Edition in a vehicle and power the unit from 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 DL850EV instantly switches to the DC supply without interrupting the measurement.

      • DC power (10 - 18V)
      • AC power (100 - 120V / 200 - 240V)

      APPLICATIONS

      Applications in Power & Transportation

      With today's increased incorporation of power electronics and switching devices in power and transportation related applications, measuring the power consumption and performance of the individual components alone is often not sufficient to understand the overall performance and behavior of a system.

      A ScopeCorder satisfies this new measurement requirement by not only capturing voltage and current waveforms but combines these with real-time calculations of power and other electrical and physical parameters in a single measurement overview.

      Motors and Electric Drives

      The majority of industrial applications incorporate a variable speed drive in combination with a threephase induction motor. Where an Oscilloscope often has a limited channel count and non-isolated input channels, the DL850E can be equipped with 16 or more channels and has a diverse range of input modules, where each channel is individually isolated.

      The instrument offers direct input of voltages up to 1000V, with no need for active probing, and samples data at rates up to 100MS/s with 12 or 16 Bit vertical resolution. These features are ideal for capturing inverter switching signals with high precision.

      Being able to connect the outputs from additional torque sensors, rotary encoders or thermocouples also makes the DL850E ScopeCorder an ideal measuring instrument to enable engineers to improve the design of motor and electric drives, reduce size and costs, and increase efficiency levels. This in turn helps to reduce global industrial power consumption.

      Applications include:

      • EV/HEV test 
      • Railways Motor characteristic test 
      • Home Appliance Inverter test 
      • Maintenance 
      • New Energy - Wind Power, Solar Power - 
      • Power transient analysis
      ScopeCorder Solutions:
      • Realtime Power calculations 
      • Multi-channel and continuous measurement (Power +) 
      • 6-input (3-voltage and 3-current) waveforms for 2-system simultaneous measurement 
      • Long memory 
      • Isolation, 12-bit resolution, 100MS/s

      Simultaneously Measure and Analyze 3 Phase Inputs and 3 Phase Outputs

      The ScopeCorder's multichannel platform with large memory enables the power of 6 inputs (3x voltage and 3x current) and 6 outputs to be analyzed simultaneously.

       

      Analyze the Dynamics of Electric Drive Trains

      Combine electrical signals and physical sensor parameters, related to mechanical performance, with data from the control system such as a CAN or LIN bus. This enables R&D engineers to identify the correlation between communication data transmitted over the vehicle bus and analog data such as voltage, temperature and sensor signals, or the ECU's control logic signals.

      Real-Time Evaluation of Dynamic Behavior within Power Applications

      Active power, power factor, integrated power, harmonics and more can be calculated and shown as trends using the new /G5 power math option.

      Precise Measurement of Fast Switching Signals Even in the Harshest Environments

      Individually isolated and shielded input channels provide highresolution and high noise immunity.

      Vehicle Testing

      The increasing demand for clean and energy efficient ways of transportation drives the development of efficient railway electrification systems incorporating new greener propulsion and control technologies. In the automotive market, the electrification of the powertrain is shaping the future of vehicle technology development. The DL850EV ScopeCorder Vehicle edition is designed to provide engineers with knowledge about the dynamic behavior of their specific application and its efficiency.

      Applications include:

      • Power steering evaluation 
      • In-Vehicle test 
      • Engine performance test 
      • ECU Test 
      • CVT test 
      • Test for a production line 
      • Durability test 
      • High-speed universal data logging 
      • Smart Grid evaluation 
      • Power swing test for multi-power site 
      • Railways driving test
      ScopeCorder Solutions:
      • Rotary angle, Edge Count (/G3 option) 
      • DC 12V power drive (option, DL850EV only) 
      • CAN/LIN Data trend monitoring(DL850EV only) 
      • Knocking Filter (DL850EV+/G3 option) 

      Sustainable Operation of Urban Mobility

      Perform service and maintenance in the field by taking a ScopeCorder on-board a vehicle. The DL850EV can be driven by DC power, such as the vehicle's battery, in addition to AC power.

       

      Durability test/ Surveillance test

      Applications include:

      • Test for a production line 
      • Durability test 
      • High-speed universal data logging
      ScopeCorder Solutions:
      • Dedicated ACQ Software 
      • Long-term HDD recording 
      • Max. 128-CH measurements 
      • GO/NO-GO determination

      Time Synchronization Measurements

      Applications include:

      • Smart Grid evaluation
      • Power swing test for multi-power site
      • Railways driving test 
      • IRIG/GPS clock synchronization measurement

      ScopeCorder Solutions:
      • IRIG/GPS clock synchronization measurement
  • ACCESSORIES

    Analog Voltage Input Module 720210

    Analog Voltage Input Module 720210

    High-Speed 100 MS/s 12-Bit Isolation Module (2 channels)
    IsoPRO technology enables 1kV isolated measurements in combination with 700929 or 701947 probe and is designed for inverter / IGBT related applications in mind. Using high speed optical fiber-based transmission, the module achieves high speed ADC clock and data isolation and provides the performance needed to develop high  efficiency inverters, which employ high voltages, large currents, and ever increasing switching speeds.

    Analog Voltage Input Module 701250

    Analog Voltage Input Module 701250

    High-Speed 10 Ms/s 12-Bit Isolation Module (2 ch)
    High Noise Immunity
    Applicable to DL850, DL850V, DL750, DL750P, SL1400 & SL1000

    Analog Voltage Input Module 701255

    Analog Voltage Input Module 701255

    High-Speed 10 MS/s 12-Bit non-isolation Module (2 ch)
    Non-Isolation version of model 701250
    Applicable to DL850, DL850V, DL750, DL750P, SL1400 & SL1000

    Analog Voltage Input Module 701251

    Analog Voltage Input Module 701251

    High-Speed 1 Ms/s 16-Bit Isolation Module (2 ch)
    High sensitivity range (10 mV), low noise (±100 µVtyp), and high noise immunity
    Applicable to DL850, DL850V, DL750, DL750P, SL1400 & SL1000

    Analog Voltage Input Module 701267

    Analog Voltage Input Module 701267

    High-Voltage 100 kS/s, 16-Bit Isolation Module (2 channels)
    Supports RMS input coupling

    Universal Voltage & Temperature Input Module 701261

    Universal Voltage & Temperature Input Module 701261

    Universal Module (2 ch)
    Thermocouple (K, E, J, T, L, U, N, R, S, B, W, iron-doped gold/chromel)
    Applicable to DL850, DL850V, DL750, DL750P, SL1400 & SL1000

    Universal Voltage & Temperature Input Module (w/AAF) 701262

    Universal Voltage & Temperature Input Module (w/AAF) 701262

    Universal Module (with Anti-Aliasing Filter, 2 ch)
    Thermocouple (K, E, J, T, L, U, N, R, S, B, W, iron-doped gold/chromel), with AAF
    Applicable to DL850, DL850V, DL750, DL750P, SL1400 & SL1000

    High-Precision Temperature Input Module 701265

    High-Precision Temperature Input Module 701265

    Temperature/high-precision voltage Module (2 ch)
    Thermocouple (K, E, J, T, L, U, N, R, S, B, W, iron-doped gold/chromel), high sensitivity range (1 mV), and low noise (±4 µVtyp)
    Applicable to DL850, DL850V, DL750, DL750P, SL1400 & SL1000

    16 Channel Voltage Input Module 720220

    16 Channel Voltage Input Module 720220

    16 Channel Voltage Input Module.
    Isolated (GND-terminal), Non-Isolated (CH-CH)
    This is a multichannel voltage module capable of measuring 16 channels of DC voltage on a single unit.

    16-CH Temperature/Voltage Input Module 720221

    16-CH Temperature/Voltage Input Module 720221

    16 Channel Voltage or Temperature Input Module.
    To be used with 701953 Scanner Box.

    16-CH Scanner Box 701953

    16-CH Scanner Box 701953

    External scanner box for 720221 module.
    Voltage or temperature measurement (scanner method) Thermocouple (K, E, J, T, L, U, N, R, S, B, W, Au-Fe-chromel)

    CAN Bus Monitoring Module 720240

    CAN Bus Monitoring Module 720240

    Use the CAN bus monitor module to decode the CAN-Bus signals and display information on physical data like engine temperature, vehicle speed and brake-pedal position as analog waveforms and compare this with the data coming from real sensors.

    To be used with DL850V & DL850EV ScopeCorder Vehicle Edition only.

    CAN/LIN Bus Monitor Module 720241

    CAN/LIN Bus Monitor Module 720241

    Use the CAN/LIN bus monitor module to decode the CAN or LIN-Bus signals and display information on physical data like engine temperature, vehicle speed and brake-pedal position as analog waveforms and compare this with the data coming from real sensors.

    To be used with DL850V & DL850EV ScopeCorder Vehicle Edition only.

    Logic Input Module 720230

    Logic Input Module 720230

    Input logic signals can be displayed as waveforms at 10 MS/s sampling resolution. Each port can measure 8 bits, and 2 ports of input are available on each module. Thus, a single module can observe 16-bit logic signals. Compatible with 700986, 700987, 702911 and 702912 logic probe.

    Logic Probe 700986

    Logic Probe 700986

    8-bit, non-isolated, response speed: 1µs, threshold level approx 1.4V
    Two measurement leads (B9879PX and B9879KX) included.

    Logic Probe for the DL750 - isolated inputs 700987

    Logic Probe for the DL750 - isolated inputs 700987

    8-bit, isolated, response speed: 1ms or less (DC), 20ms or less (AC), treshold level 6VDC or 50VAC.
    To be used with measurement lead 758917 and 758922, 758929 or 701954 adapter leads.

    Logic Probe 702911-702912

    Logic Probe 702911-702912

    8-bit, non-isolated, response speed: 3µs or less, treshold level approx 1.4V
    702911: 1 meter cable, 702912: 3 meter cable

    Strain Input Module (NDIS) - 701270

    Strain Input Module (NDIS) - 701270

    Strain Module, type NDIS (2 channels) to be used in combination with 701955 or 701956 NDIS bridge head.
    Using the strain module and strain gauge the ScopeCorder can detect and display mechanical stress (strain). It works on the principle that the resistance value of a metal foil changes as it expands and contracts.

    NDIS bridge heads 701955/701956

    NDIS bridge heads 701955/701956

    701955 NDIS Bridge Head, Bridge resistance: 120Ω , 5m NDIS cable included
    701956 NDIS Bridge Head, Bridge resistance: 350Ω , 5m NDIS cable included

    Strain Input Module (DSUB) 701271

    Strain Input Module (DSUB) 701271

    Strain Module with Shunt Calibration, type DSUB (2 channels) to be used in combination with 701957 or 701958 DSUB bridge head.
    Using the strain module and strain gauge the ScopeCorder can detect and display mechanical stress (strain). It works on the principle that the resistance value of a metal foil changes as it expands and contracts.

    D-sub Bridge Heads 701957/701958

    D-sub Bridge Heads 701957/701958

    701957 DSUB Bridge Head with Shunt calibration
    Bridge resistance:  120Ω , 5m DSUB cable included

    701958 DSUB Bridge Head with Shunt calibration
    Bridge resistance:  350Ω , 5m DSUB cable included

    Acceleration & Voltage Input Module (w/AAF) 701275

    Acceleration & Voltage Input Module (w/AAF) 701275

    Acceleraton/Voltage Module with Anti-Aliasing Filter, (2 channels)
    Accepts direct input from a built-in amp type acceleration sensor to measure acceleration. Sensor supply current (voltage) OFF/4 mA ± 10% (approx. 22 VDC) Applicable acceleration sensor  type: Built-in amplifier type, Kistler Instruments Corp. : PiezotronTM, PCB, Piezotronics Inc. : ICPTM, Endevco Corp : IsotronTM.

    Frequency Module 701281

    Frequency Module 701281

    Frequency Module (2 ch)
    Measurement function Frequency (Hz), RPMs, RPSs, period (sec),duty cycle (%), power supply frequency (Hz), pulse width (sec), pulse integration, and velocity

    100:1 Isolated Probe 701947

    100:1 Isolated Probe 701947

    Passive Probe, 3540Vp-CAT I, 1000Vp-CAT II, 200MHz, 100:1, 100MΩ, 1.5m, 'Isolated Probe'  'Iso-Probe'

    10 MHz Passive Probe 701940

    10 MHz Passive Probe 701940

    Passive Probe, 600Vp, 6MHz/10MHz, 1:1, 10:1, 1MΩ/10MΩ, 1.5m '600V Non-Isolated'

    Differential Probe 100 MHz/1400 V 700924

    Differential Probe 100 MHz/1400 V 700924

    Differential probe powered by Yokogawa Digital Oscilloscopes, ScopeCorders, external power supply or internal battery.

    Differential Probe 50 MHz/7000 V 701926

    Differential Probe 50 MHz/7000 V 701926

    High Voltage Differential probe powered by Yokogawa Digital Oscilloscopes, ScopeCorders, external power supply or internal battery.

    Current Probe 10 MHz/150 ARMS 701930

    Current Probe 10 MHz/150 ARMS 701930

    Current probe powered by Yokogawa Digital Oscilloscopes, Scopecorders or external power supply.

    Current Probe 50 MHz/30 ARMS 701933

    Current Probe 50 MHz/30 ARMS 701933

    Current probe powered by Yokogawa Digital Oscilloscopes, Scopecorders or external power supply.

    Probe Power Supply 701934

    Probe Power Supply 701934

    A power supply for current probes, FET probes, and differential probes. Supplies power for up to four probes, including large current probes.

    Soft carrying case for DL850, DL850V and DL750 701963

    Soft carrying case for DL850, DL850V and DL750 701963

    Three pockets are provided for storing accessories and the user’s manual.

     
  • REVIEWS

    AEG Power Solutions, Frank Schlieper & Lars Alsdorf

    "We thoroughly tested the ScopeCorders after the demonstration by Yokogawa and determined that the device met all our requirements perfectly"

    Frank Schlieper - Senior German Sales Manager Power Controllers

    "A big advantage is the plug-in modules, which are isolated and are suitable for input voltages up to 850 V. We need many channels, and we need to measure the net voltage directly. Since testing the controllers is a relatively slow process, we need long integration times: a feature which is supported by very few instruments."

    Lars Alsdorf - Development Engineer

    See the full article here: "Precision power measurements for megawatt heating controls"

    Aerospace Company - Worker

    That software was probably the best "off the shelf" MetCal software that I've tried and I sure appreciate it. I didn't have any issues with the software and its cost was great too (free)!!

    American Electric Power, John Mandeville

    We have 2 DL750s. They are easy to setup and use. The channel to channel isolation / cross is one the best unit I have found. There are 2 things that could have been done better. First there is no tilt stand on the bottom. Also, the developers view this as an enhanced scope. So the vertical and horizotal units are always in per division. This is a little bit confusing since I really would like to set the range and not the volt/div * 8 div. Otherwise this is a very nice instrument.

    Berliner Verkehrsbetriebe, (BVG) - Frank Schumann

    "The DL850 ScopeCorder from Yokogawa is ideal for us because it offers both analog and digital channels in sufficient numbers in one instrument. In addition, the device has a high withstand voltage up to 1,000 volts" "With the DL850 ScopeCorder we record the signals during a test drive and then take the time to evaluate them afterwards. For sporadic errors we regularly make long-term measurements in the workshop in which the loads are simulated by resistors"

    See the for full article here: "Underground electronics"

    Detroit Energy, Mark

    My company has used Yokogawa ScopeCorder for about 15 years starting with the 708 model. My department has pretty much standardized on Yokogawa which allows multiple groups to use and borrow them as needed.

    Ronald Tegeler

    This is a powerful troubleshooting tool. It took me a couple of days to figure it out, but it really is versatile and capable of monitoring signals from instrument level all the way up to 480VAC. We have already used it to monitor & trend motor currents & frequency on our new production line. We were having troubles with the motor drive tripping, and we found out that the design speed/frequency for the application was estimated wrong from the beginning. We adjusted base frequencies for the product and it is running good now.

     
    I have used similar laptop based equipment in the past, which had lots of interface parts & was not very reliable. This thing has everything rolled into one box, and is much more reliable and versatile.

    Ford Motor Company, Essex, UK - Alasdair Gillespie

    In the development of new engine control strategies we often have the need to capture and analyse many complex signals. To this end we have several Yokogawa Oscilloscopes including the DL750. The DL750 is an essential tool in our work, being used by engineers for a multitude of tasks: Software design and validation as well as Control system design and calibration.

    In a recent case, we had a development issue with the control system for an engine actuator. On analysis of the signals within the software calibration tool we were unable to diagnose the issue. It wasn't until we used the DL750 with its high speed signal acquisition and multiple channel capability that we could fully understand what was going on.

    In engineering, it is the understanding of a system's behavior that is the key to developing solutions. The DL750 gives us a window into the complexity of the signals in our systems. From there we have the means to develop highly refined control systems for our range of class leading diesel engines.

    Alasdair Gillespie
    HIL systems Engineer, Global Powertrain Controls Systems Engineering
    Ford Motor Company

    Mr. Atsushi Masuda from Hino Motors

    Tm Dl750 C01
    Hino Motors, Ltd.
    Powertrain R&D Dept.
    HV Lab
    Mr. Atsushi Masuda

    I work on development for hybrid vehicles. Especially in recent years, I've been involved with the Advanced Clean Energy Vehicle Project (ACE project) at NEDO (New Energy and Industrial Technology Development Organization).


    The objective of the ACE (Advanced Clean Energy Vehicle) project for 2003 is to work in cooperation with all the automobile manufacturers in order to reduce carbon dioxide emissions by developing new vehicles that combine hybrid structure, greatly decreased fuel consumption, clean energy, and after treatment technology for exhaust gases.


    At Hino Motors, our goal this year is to come out with a hybrid bus with two times the fuel efficiency compared with our previous heavy duty diesel busses. We brought in five of the DL750 ScopeCorders for development on this new hybrid bus.


    The bus under development has a new hybrid system and electrical storage units, and we use the DL750s to capture various signals in that system. For the storage unit we capture cell voltage, module voltage, current, temperature and other signals. In the engine we look at RPM, torque, and controller output signals, and in the hybrid system we measure motor, controller, temperature and many other kinds of signals, all of which undergo subsequent analysis.


    Before, when the project was focused on storage research, we used 10 of the DL716 ScopeCorders to measure voltage. The DL716 accepted 16 channels of isolated input, and the long memory of that oscilloscope gave us high resolution that was really convenient for us. We chose the DL750 this time because it carries over the features of the DL716, but has improved long memory, is smaller in size, and adds GP-IB and Ethernet support which we think will be useful in the future.


    By hooking up the five DL750s to a notebook PC via GP-IB, we can gather all 80 channels worth of data together using our customized LabVIEW software. We can send measurement commands to the DL750 from the PC, and that really speeds up our work. By gathering various kinds of data measured from the actual vehicle, the DL750 helps us understand what's going on inside the hybrid systems as they operate. During development of the new hybrid bus we analyze everything from the measured RPMs at a given accelerator position to the voltage values in the storage unit to energy consumption, and this lets us determine the most fuel-efficient control conditions for the hybrid system.

    Sony Electronics, Francisco Oliveros

    The DL750 is fabulous. We have been using the unit to monitor AC line, investigate Instantaneous Stop conditions and to test live boards. It is safe and easy to operate (if you read the manual or receive technical service assistance). I truly recommend the unit to anyone that is involved in some kind of signal monitoring activity...it is great! I have only used 40% of its capacity more or less, but I am looking forward to squeeze every dollar we invested on it. I rate the unit at # 4 level because I am not familiar with other oscilloscopes similar to the DL750. Thanks.

    TT Engineered Solutions, Tim Taubert

    The Yokogawa group have always taken good care of my equipment and instrumentation needs. I have been using the DL750 on some projects and all involved have asked how I am getting such amazing data and good measurements. I always use that opportunity to say it is not me, it is the equipment I use.

    Yamaha Motor Co., Ltd.

    We develop engines for racing motorcycles. Mainly, I'm in charge of developing measuring systems for engine performance evaluations and reliability tests.We do a variety of different evaluations on the engine test bench. We perform measurements on a regular basis of quite a number of items including the number of engine revolutions, torque, throttle opening, air-to-fuel ratio (A/F) which indicates the condition of the engine, concentrations of exhaust gases, pressure, and temperatures related to the exhaust and engine. We capture all of these signals and perform analysis using the DL750 ScopeCorder and the modular WE7000 PC-Based Measurement Instrument. Our job requires capturing suddenly-occurring abnormal phenomena as the engine turns and then observing the details while at the same time making long-duration observations of slow signals such as the air-to-fuel ratio (A/F). We use the DL750 ScopeCorder for such monitoring applications and measurement of valve behavior during unit testing.The DL750 has a color display which makes it easy to view 16 channels of data at once, and the long memory and zoom functions allow us to observe abnormal phenomena in detail.We also use the snapshot function frequently. It helps us tremendously by letting us freeze a waveform being displayed on screen and save it to MO disk or PC card. The DL750 also has an abundant array of interfaces so it's easy to use, and one reason we chose the DL750 is because of the Ethernet function that allows us to connect it to a network. We've been using DL series digital oscilloscopes for awhile, and we are very satisfied with them because they are easy to use and offer high cost-performance.

 

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