Omega CL427 Portable Multifunction Calibrator User Guide


Omega CL427 Portable Multifunction Calibrator User Guide



 Operation Environment

  • Application Program should be installed in the operation system of Microsoft Windows 7 / Vista / XP / 2000 (SP3).
  • USB driver program should be installed (Application Program will install it automatically).


  • Personal Computer (PC): we recommend the processor of Pentium 4 Celeron 2.0 GHz or above.
  •  RAM: we recommend 1 GB or above.
  •  Screen resolution: requires 1024 x 768 pixels. DPI must be set up as 96 DPI.
  • Documenting Multifunction Calibrator (“iCal” for short in this manual)
  • USB cable.

Connecting Procedures

  • Step 1: Turn on PC and iCal.
  • Step 2: Connect USB Cable.
  • Step 3: Start the Application Program of iCal

Software Installation

Install Application Program
Execute Install.bat (which is in installation disc) to enter the procedures of installing Application Program. Please follow the instructions to install Application Program. During the installation, USB driver program and iCal
software will be installed automatically.


  1. After putting the installation disc into CD-ROM drive, the Application Program will automatically execute the installation.
  2.  If the installation is not automatically executed, please choose the Install.bat program in the installation disc to perform the installation.
  3. After Application Program has been installed, please Restart the system.

Install USB Driver
During the installation of Application Program, the USB driver program will be installed automatically. However, if users need to install USB driver program, please choose USB Driver Directory in the installation disc, click
CP210x_VCP_Win_XP_S2K3_Vista_7.exe to execute the installation of USB Driver.


  1. If the driver program can’t detect the hardware, please remove the hardware and then plug it in properly.

Software Operation

Start Executing Program:
In Start -> All Programs -> iCal, choose “iCal” or click the shortcut to start executing program.


  1. Communicate with iCal (hardware): Users can operate the functions of iCal (hardware) via this communication.
  2. View Files: providing graphics for recorded files.
  3.  Wave Edit: Editing user programmable wave forms.

Search and communicate with iCal
After pressing , the software will search for iCal and check if iCal is connecting with PC. When the software can not find iCal, there will be a message -“No ComPort”. At this moment, please check if the USB-RS232 cable is plugged in the PC and if the installer program is activated (please check the Device Manager of your system).

 Main Screen


  1.  Communication
  2.  Tool bar
  3.  LCM display
  4.  Remote control buttons
  5.  Function switch
  6.  Message

Function Switching
Each function has its own function display. When switching a function, a symbol representing the current function will be displayed ( V mA ℃/℉ Hz) (The symbol in below picture shows the function is mA.)


Curve Diagram
It displays 200 records. Use the mouse to move the display data, or apply the left and right direction buttons to move the cursor to display data. Users can use Page Up or Page Down buttons to view the last or next 200 records.


Record Data Figures
This section shows the figures of the cursor point in curve diagram. The figures of date and time are available only for the files saved via software.


On the specified point (green point) of wave edit area, press the left button of mouse and then this point will be adjusted according to the moving (up and down) of mouse. When using other tools, press Esc will return to the first step.When pressing Esc on the first step will return to this tool.

Zoom in/out display
In the wave edit area,

  • Click the left button of mouse: zoom in (roller forward)
  • Click the right button of mouse: zoom out (roller backward)

For the mouse with left/right buttons and a roller, the ZOOM function can be used without opening the zoom display. But during the period of using some tools, the ZOOM function may not be applied.

Triangular wave
On the edit point, press the left button of mouse and move it forward and backward and then draw a 2-side-symmetry triangular wave (the green point is the middle point). In the Command Area, user can input alternate multiple 1~4.

Triangular wave of a selected range
Draw a triangular wave in a certain range. The steps in the Command Area:

  1. Select “start” point of the range.
  2. Select “end” point of the range.
  3. Choose a certain point within the range as the middle point. Press the left button of the mouse to move this point. And other points within the range will change positions accordingly.


Remote Control Buttons
Here the setup is the same as the (parameter) setup of iCal. All the parameters (of 4 functions) can be set up here and completed by one setup.(Under Hz function, please try not to enter SETUP function to prevent from errors.)


Wave Edit
There are 6 sections in “Wave Edit” Screen:


  1. Tool bar.
  2.  Edit tool bar.
  3.  Wave edit area.
  4.  Move display light bar.
  5.  Command area.
  6.  Message.

Edit Tool Bar
The tools of “Edit tool bar” will be also applied in the “Command area” and “Wave edit area” so here the explanation can be referred to for these 3 sections.

Wave Edit Area
This section provides waveform display and edit points. The total edit points (of the wave edit area) is a cycle of set
frequency. In the screen the max. waveform edit points is 200. When the displayed waveform is over 200 points, the program will calculate proportionally and display the points should be displayed.

Move Display Light Bar
The function of this section is to move the display. The size of the light bar is changed in accordance with the displayed waveform points. When the displayed waveform points are the complete waveform points, the light bar is the longest and can not be moved.

 Command Area
This section displays all the necessary steps and instructions for wave edit.

In this section, users can see the operation status and the wave points of the current screen.


OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) ٓ month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product. If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired
or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not limited to contact points, fuses, and triacs.


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