Easily copy and paste files to and from a PC from the internal flash memory drive and other internal storage media. You don’t have to use a separate program to transfer the data Data Capture Download screen images periodically or manually. Download waveform data, start or stop a measurement, or setup a split display by using this menu. Measurement Trend This function downloads values of waveform parameters periodically, activates MS Excel automatically, and graphs the calculated values on the PC. This enables you to check the parameter trends at a glance.Save and Load DataDo you want to save your data immediately but lack the proper storage mediInternal Flash
Memory DriveAn internal flash memory drive (2 MB) is available. Now you can save setup data, waveform data, and screen images even if you don’t have other storage media at hand. Your data is always saved to flash memory, so you won’t lose anything if the power turns off. When saving captured waveform data, it’s possible to compress the data (decimation or peak-to- peak) based on the available storage capacity on the drive.PC Card Interface
(Type II)If you select a PC card interface as the internal storage medium, you can use a large-capacity Microdrive or hard disk in addition to an ATA flash memory card or CompactFlash. This lets you save up to 32 MW of data on four channels. (A floppy drive or ZipR drive can be selected instead of the PC Card option)


Save a Waveform to the Screen with a Single Touch

When you find exactly the right waveform…

Snapshot Function

When you want to save waveform data, it’s not easy to press multiple keys while keeping the probe on the target point with one hand. The snapshot function lets The snapshot function lets the screen with a single touch, making waveforms easier. In addition, waveform data saved with the snapshot function can be saved to storage media, then loaded later.


Easily Print, Save, and View Screenshots

Want to check saved screenshots quickly?

The COPY key lets you output images to the built-in printer, a USB printer, or a network printer. Simply press the IMAGE SAVE key to quickly and easily save image data to a PC card or other storage media. Data can be saved in BMP, TIFF, PS, PNG, and JPEG formats. You can easily review thumbnail images. Both the image and file name are displayed. On the review screen you can check the images, and also change file names and delete files.




Software for Remotely Controlling the DL Series

The Wirepuller software program displays a screen image of the DL’s front panel on your PC so that you can monitor waveform signals. In addition, you can use the PC’s mouse and keyboard to control the DL. The DL can be controlled via an Ethernet, USB, or GP-IB.

This software program can be downloaded (requires registration):

Details and downloading


700919 Waveform Viewer for DL Series Software for Using Your PC to Check Waveform Data Captured in Long Memory


The Waveform Viewer software program lets you view waveform signals on your PC just as they appear on the DL screen. This includes zoom display, XY display and the history memory thumbnail displays. In addition, data can be converted to CSV format for use in programs like Excel.

A trial version and upgrade version of this software program can be downloaded:

Details and downloading


MATLAB tool kit for DL series (701991)

This MATLAB tool kit enables DL series oscilloscopes to easily interface with MATLAB. The software can be used to control supported DL series instruments from MATLAB or to transfer data from DL series instruments to MATLAB via GP-IB, USB or Ethernet.

Details and downloading



50 MHz current probe (700937)

Input range: 15 Apeak

MHz current probe(70193010)

Input range: 150 Arms

100 MHz 100:1 probe (700978)

Maximum input voltage: ±4000 V

100 MHz differential probe (700924)

Attenuation ratio: Either 1/100 or 1/1000 Maximum differential allowed voltage: ±1400 V

500 MHz differential probe (701920)

Attenuation ratio: 1/10 (with 50 ohm load) Differential input voltage range: ±12 V

100 MHz differential probe (701921)

Attenuation ratio: Either 1/10 or 1/100

Maximum differential allowed voltage:

±70 V (1/10), ±700 V (1/100)

Model DL1620/DL1640/DL1640L
Long Memory, Digital Oscilloscopes
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DL1600 | DL1620 | DL1640DL | DL1600L Digital Oscilloscopes
  • CAN Bus Signal Analysis Function
  • I2C Bus Analysis Function
  • DC Power Model + Battery Box
  • 4 channels 200 MS/s (DL1640/DL1640L),
  • 2 channels 200 MS/s (DL1620)
  • 200 MHz analog bandwidth
  • Maximum memory length: 32 MW (DL1640L) and 8 MW (DL1640/DL1620)
  • 6.4-inch wide-angle-view TFT color liquid crystal display
  • Compact and lightweight (approx. 3.9 kg)
  • A4 size or smaller footprint
  • Internal storage media
  • (select PC card, Zip® drive, or floppy drive)
  • USB compliant (optional)
  • Ethernet connectivity (optional)
  • Real-time digital filtering
Product Description:
Super-long memory enables these oscilloscopes to capture high-speed phenomena for the desired period of time, while maintaining fast sampling speeds required for reliable measurements. The DL1600 oscilloscope series can acquire up to 8 MW of data on each channel. Time/div can be set to as slow as 800 s/div, allowing you to acquire data for over two hours. You can observe waveforms in roll mode, while checking surge pulses and discontinuities in zoomed waveforms. This is helpful for observation of signals from power supplies. Results from waveform parameter calculations such as peak-to-peak values, frequency, and FFT calculations can be displayed while observing the waveform in roll mode. You can observe signals as long as those normally observed using recorders.|
  • Super-Long Memory and Quick Zoom for Finding the Target Signal in Long-Period Phenomena
    Super-long memory enables you to capture high-speed phenomena for the desired period of time, while providing fast sampling speeds required for reliable measurements. Up to 32 MW of data (with the DL1640L) can be acquired even when all four channels are used. As shown in the picture, during the evaluation of a switching power supply, for example, this capacity lets you capture three different signals (switching element voltage, current, and primary-side surge current) from the time the power is turned on until switching starts and stabilization occurs. Super-long memory also lets you maintain high-speed sampling, so individual pulses can be accurately displayed on the screen.
    The zoom function rapidly displays the target phenomenon contained in large amounts of waveform data. The Dual Zoom function enables you to zoom in on two portions of the waveform at one time.
  • All-Points Display and Fast Screen Updating for Capturing Hidden Abnormal Phenomena
    All-points display shows all of the data stored in long memory. This display mode shows phenomena that may be missed in a compressed waveform display. With Yokogawa’s proprietary Data Stream Engine II, screen updating speed does not slow down even during zoom display or automatic parameter measurement. With fast screen updating, display changes corresponding to modified settings take place instantaneously, so instrument control is .responsive

All-points display example                            Conventional compressed display

  • Smart Search Function for Effective Access to Data You Need
    As data volume increases, it becomes more important to be able to search for target phenomena efficiently. The Smart Search function automatically detects serial patterns, pulse widths, rising edges, falling edges, and other phenomena in the captured waveform data. These phenomena are then displayed in the zoom screen. Smart Search will significantly improve the efficiency of your development and evaluation work.
  • One important role for oscilloscopes is measuring noise in the waveforms. Sometimes, however, this noise prevents you from observing the target signals. The real-time digital filtering lets you easily apply a low pass filter while capturing data, so that waveforms hidden in noise can be clearly displayed.Filters can be set separately on each channel. In combination with an analog filter, cutoff frequencies ranging from 20 MHz to 10 kHz can be set

DL1620 | DL1640L | DL1640 Oscilloscope view

Without filtering (200 MHz BW)
frequency: 10 kHz
Waveform mixed with noise Filter cutoff
Waveform without high-frequency noise
Have you ever missed an abnormal waveform because it disappeared from the screen before you pressed the stop key. The Advanced History Memory Function Reliably Captures the Waveforms You Want.

  • History Memory
    The history memory now has increased capacity for automatically storing data. History memory can now store up to 16,000 captured waveforms, depending upon record length.
  • History Search
    It would be difficult to search manually through thousands of history waveforms. Yokogawa’s history search function automates this process for you. The history search lets you define zones on the screen, and find all previously captured waveforms that either pass through or bypass the user-defined zone. You can also run searches based on specified waveform parameters.
  • History Waveform Parameter Statistical Calculation
    This function performs statistical calculations on waveform parameter values stored in history memory. Parameter maximum value, minimum value, average value, and standard deviations can be calculated and displayed. You can view the calculation results for each waveform on a full-screen menu.
  • Simple and Enhanced Trigger
    With the action-on trigger, a specified action is automatically executed each time the trigger is activated. You can use the trigger for a variety of actions, such as automatically saving captured data. The action-on trigger is useful for purposes such as collecting data in continuous tests.
  • A Variety of Functions to Provide the Best Solution for a Wide Range of Measurement Needs
    Frustrated by the many limitations of oscilloscope rolling displays. The Roll Mode Function Goes beyond What a Recorder Can Do, Allowing You to Record Low-Speed Signals in Real Time.
  • Roll Mode, Waveform Calculation, and Envelope Mode
    Roll mode is effective for observing low-speed signals. In this mode, the waveforms move across the display similar to the way a recorder operates. With the Triggers based on the pulse width. With the DL1600 series, roll mode can be set as fast as 50 ms/div. They have fewer roll mode limitations than other oscilloscopes. This function allows you to observe waveforms in roll mode, while checking zoomed waveforms and results from waveform parameter calculations such as peak-to-peak values, frequency, and FFT calculations. Envelope mode allows you to maintain a sampling speed of 200 MS/s regardless of the time-axis setting. This ensures that high-speed noise such as a surge pulse is captured, even when you are observing slow phenomena in roll mode.
    Want to compare parameter values for each cycle starting as soon as the power is turned on
  • Cycle Statistical Calculations
    During power supply evaluations, this function lets you calculate voltage and current maximum values and periods for each switching cycle starting as soon as the power is turned on. Maximum value, minimum value, average value, and standard deviations are calculated automatically for each waveform parameter. In addition, you can instantaneously search for the cycle containing the maximum or minimum value and display it on the zoom screen.Do you often count the number of pulses on the screen? Without many pulses this is time consuming.
  • Pulse Count
    During the evaluation of electronic circuits, you often need to count the number of pulses, such as the number of rotation pulses in stepping motors, tracking error signals on optical disks, interrupt signals from a MPU, and clocks of serial data buses. The pulse count function automatically calculates the number of pulses in a waveform.
  • GO/NO-GO Judgment Function
    This function determines waveform data in a measured waveform based on specified zones or waveform parameters and automatically performs a specified action. Available actions include printing screen images, saving waveform data, sounding an internal buzzer, and sending an email.
CAN Bus Signal Analysis Function:
oscilloscope View CAN Bus Trigger Functions
  • Start-of-Frame trigger
  • Identifier (ID) Field trigger: 4 IDs can be specified.
  • RTR Field trigger: The trigger is activated by Remote frame.
  • Data Field trigger: You can set data of 1 to 8 bytes.
  • Error Frame trigger
You can set trigger conditions with a combination (logical AND) of these five types of triggers. Determine bus level (recessive or dominant) by specifying the sample point as a percentage of the total bit time.
CAN Bus Analysis Functions
Triggers can be activated using conditions such Use up to 32 megawords of memory (DL1640L) to acquire long strings of CAN bus waveform data and then analyze the data in a time-series manner. Analysis results are then listed along with the waveform. Results include: ID and Data fields, ACK field status and other information. The frame which is highlighted by the cursor on the analysis results list automatically appears in the zoom window. This feature enables you to observe the bus signal while concurrently viewing the analysis results. Thus, you can easily verify how noise or level fluctuations affect the communication data and carry out debugging work very efficiently.
oscilloscope View Data Search and Field Jump Functions
Use the high-speed data search function to search all acquired frames. Search for user-specified ID, RTR, Data, or ACK codes. This function can also search for error frames. A magnified view of the frame found is shown in the zoom window. This function can also search for a frame containing an Indefinite state. Even for frames comprising as few as 100 bits, the Field Jump function automatically finds the starting point of a Data or Control field and shows it in the zoom window. The CAN cursor function displays the selected Field range, and lets you move bit-by-bit in the field for easy troubleshooting.
oscilloscope View Stuff Bit Calculation Function
This function calculates and extracts the stuff bit from the frame data and represents it as a waveform. This enables you to easily confirm codes of waveform
I2C Bus Analyzer DL1640/DL1640L Oscilloscopes:
oscilloscope View Capture Desired Data with the I2C Bus Trigger
The I²C trigger types are: Start Trigger (bus start condition), Non-Ack Trigger (when acknowledgement bit is not received), and Address (7 bit address + 1 read / write bit) & Data (1 byte data) Trigger. The I2C triggers described above can be also combined with other signals on channels 3 or 4. For example, a Start trigger could be combined with a control or feedback signal.
oscilloscope View Long Memory and Data Analysis Functions
I2C bus data acquired to super large memory (32 M words /channel maximum) are analyzed in a time series. Analyzed results are decoded and displayed one byte at a time. The function can analyze very long data sequences up to 40,000 bytes. When a cursor is moved over the onscreen data, the corresponding waveform can be automatically enlarged in the zoom area.
Easy comparison with communication data and the displayed waveforms enables effective debugging . Alternately analyze 2 I2C buses using all 4 channels: SCL1-Channel 1, SDA-Channel 2, SCL2-Channel 3; SDA2-Channel 4.
oscilloscope View Data Search Function
Quickly search for specified addresses and data in the analyzed results. When the specified data are found, the cursors automatically move to the corresponding location, and the waveform is enlarged in the zoom area. The data search functions are particularly useful for extracting desired addresses or data from long sequences of data such as 1000 byte data. Indefinite data can be searched by setting Upper and Lower threshold levels.
oscilloscope View SPI Analysis Function
The I²C bus analysis option also offers SPI bus analysis . SPI bus is a synchronous 8-bit serial bus widely used for Inter-IC communication.
Analysis Results Display
You can simultaneously display waveforms and Data1, Data2, and CS information. Data highlighted using a cursor is enlarged in the Zoom window. Upper and Lower threshold levels can be set to search for indefinite data.Data Search Function
Automatically detects a specified data pattern from the target data.
The Mobile SignalExplorer: from the Lab to the Field:
A 3-mode power supply (DC power model) that adapts to the various measuring
environments, for in-vehicle tests and field use.
DL1600 | DL1620 | DL1640DL | DL1600L Digital Oscilloscopes Mode 1: DC 12 V Input
The DL can be driven directly from an in-vehicle battery.Mode 2: External Battery Drive
The DC power model yields approximately 2 hours* of operation using the battery box (with internal charger). Auquired waveforms are unaffected by the power supply noise.Mode 3: AC Input
The battery box acts as the AC adapter when an AC input is available. You can measure signal continuously even when the power supply experiences trouble such as a power failure or voltage drop.*
*The operable time varies depending on usage condition
pdf_pic Downloads:General Specifications
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