PeakTech DGraph Software User Guide

: June 3, 2024
: PeakTech

PeakTech DGraph Software User Guide
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Installation

Install Battery, Software & Driver according to User Manual. To use the data logger, take the following steps:

Make sure the battery is correctly installed, or if you use USB port to power the data logger directly, you must not remove data logger from USB port when the data logger is logging.
Insert the data logger into an available USB port of a PC which has installed the Data Logger Graph software and driver.
Double click on the Data Logger Graph icon on your Windows desktop. This will load the Data Logger Graph software. On the left top of the software main screen, you can see Start button and click on it. This will open Data Logger Device dialog.
Select data logger device that will be set (or default). Here you can check the firmware version, status, etc. of the selected data logger device.
Click on the Setup button to load Data Logger Setup dialog. Here you can follow the screen instructions and setup the data logger (or default if first attempts).
Click on the Finished button. The data logger will start according to your settings.
Remove the data logger from PC USB port except USB port will be used as power supply as your required.
When a task is finished, you can download data to PC. Do according to step 2 to 4 above firstly, and then click on the Download button on the Data Logger Device dialog. Here you can follow the screen
instructions to download and save the data to PC. Please note that you need to input correct password to operate this step if the data logger has been set a password before (No for factory default).
You can use the Data Logger Graph software to graph, analyze and print the data, and export the data to other file formats (xls, txt, jpg, etc.).

Data Logger Setup

Double click on the Data Logger Graph icon on your Windows desktop. This will load the Data Logger Graph software. On the left top of the software main screen, you can see Start button and click on it. This will open Data Logger Device dialog.

Data Logger Setup Data Logger
Setup

Select Device: All connected data logger devices will be listed, and you can select a data logger device that will be set. Each data logger device has a serial number arranged by factory. Move and put the mouse on the LED button. You can see the yellow LED flash on the case of the selected data logger. The selected device information and status will be shown, including device description, firmware version, password exist, logger status and battery status. Click on the Refresh button, user can refresh the selected device information and status manually.
Click “Details” button to see the details and status of the selected data logger. Click “Stop Logging” to stop current logging.
Click “Start Logging” to start logging directly without re-setup.
Setup: Click on the Setup button to open Data Logger Setup dialog.
Select the General tab.

Logger Name. Name the data logger to give it a unique identity.
Sample Rate. Select time interval to instruct the logger to log readings at a specific rate.
Password. If user set a password for the data logger, it will need user to enter the password when download data.
Then, select the Channel Settings tab. Here it lists all channel related settings.

Description. Name the channel.
Status. Double-click to show a pop-up menu, and user can Enable or Disable the channel.
Unit. Double-click to show a pop-up menu, and user can select the unit for the channel.
Low Limit/ High Limit. Here allows user to set low/high alarm limit.
LED Alarm. User can select or unselect to enable or disable LED Alarm when Logged readings exceed the low/high alarm limit.
Alarm Hold. Tick Hold to continue indicating an LED Alarm condition even when the logged readings have been returned within the set alarm limit.
Sample Mode. When the sample rate is more than internal basic sample rate, the readings between sample rate interval will be processed as below
- Instant. Ignore the readings between sample rate intervals.
- Average. Get the average of all the readings between sample rate intervals.
- Maximum. Get the maximum of all the readings between sample rate intervals.
- Minimum. Get the minimum of all the readings between sample rate intervals.
Calibration. It can support up to two point calibration. Target is the value that will be calibrated. Actual is the actual value for target value.

Important Note: Measurement error will occur if user does any calibration incorrectly. User can clear wrong calibration value. See the advanced tab for more details.
User must input 0 for all target and actual if user don’t want to change any calibration settings.

Then, Select the Start and Stop Method tab.

Start Method. Select how or when to start logging.
Stop Method. Select how to stop logging. Note that if user selects “Overwrite When Full”, user can stop logging via the button on the housing of data logger.
Logging Duration. Indicate duration time under the settings.

Finally, select the Advanced tab.

LED. User can enable or disable the green LED indication for logging status.
LCD. If user ticks it, the LCD always on (Only for some specific product)
Clear Calibration. User can reset and clear calibration that be set on data logger before.
Select Thermocouple Type. Select thermocouple type for data logger (NOTE: Only for specific
model)
Alarm Phone Number. Click “SMS Alarm Phone Number Setup” button. Enter the mobile phone number via which you want to get the alarm message when SMS alarm appears. 5 mobile phone numbers available at most and please make sure the integrality and the accuracy of the input numbers, otherwise users can not receive the SMS normally. Meanwhile, users can query the Data Logger readings and battery status by dialing the Data Logger and this number will be written into the alarm number list automatically. Notice: the top mobile number in the 5 numbers list will be forced to delete if Data Logger being written more than 5 numbers. (NOTE: Only for specific model)
Alarm Delay. Users can select alarm delay. Data logger will start alarm after the selected delay time(NOTE: Only for specific model)

Click on the Finish button to setup. Press the Cancel button to abort the setup.

Notes:

Any stored data will be permanently erased when Setup is finished. To ensure you to save this data before it is lost, click Cancel and then you need to download data.
The battery will likelihood run out before logger will have finished specified sample points. Always ensure that the remaining charge in the battery is sufficient to last the complete duration of your logging exercise. If in doubt, we recommend that you always install a fresh battery before logging critical data.
If user selects the “Start by Button”, please start logging manually.

Data Download

On the left top of the software main screen, you can see Start button and click on it. This will open Data Logger Device dialog.

Select Device to download data.
Click on the Download button and input password if existed, and a Save dialog will be shown.
Specify the saved path and name the saved file. Click on the Save button to save data.
When downloading finished, a dialog below will be shown, and user click “Open” to open the downloaded file directly, or click “Add” to add the downloaded file to current graph, or click “Nothing” to exit.

Realtime Readings

When the data logger connected to PC, user can view the real-time readings.

Realtime Readings

Stop Logging

User can click on the Stop button to stop logging if the data logger is logging.

Stop Logging

Logger Details

Click on the Details button to view the information and status details for the data logger.

Logger Details

Software Interface

The above picture show the following information:

Standard Toolbar
Zoom and Pan Toolbar
Graph Toolbar
Grid line
The left vertical axis
The right vertical axis
Graph line
Floating line
The horizontal axis
The readings for the current floating line
Legend
Graph background
Page background
Graph list window
Statistics window
Data table window
Main menu

Open File

Click on the second icon on the standard toolbar or click on the Main Menu->File->Open to open the .dlg or .mdlg file.

Open File

Add File and Multi-Graph Mode

The software can support several files are shown in a graph interface. User can click on the third icon or Main Menu->File->Add File to add files to current graph interface. User can compare and analyze the files using this function.

Add File and Multi-Graph Mode

The graph line with A letter is a file, and the graph line with B letter is another file. User can save it to a new .mdlg file. Note that the .mdlg file need the original *.dlg file to graph correctly.

Zoom and Pan

Zoom and Pan Method

Auto Zoom and pan in any direction
Horizontal Zoom and pan only in horizontal direction
Vertical Zoom and pan only in vertical direction
Manually Set the start time and end time for horizontal axis, and set the scale for the vertical axis.

Zoom In and Pan

Use the mouse to click and drag a box around any graph area to magnify the area selected.
Press and hold the mid-button of the mouse at any graph location, and move the mouse to pan the graph area.

Zoom Out

Click on the Undo Last button to show last graph area.
Click on the Undo All button to show the original graph area.

Refresh

Export and Save

The software can save and open the .dlg or .mdlg file type in default. Use can also save as other file types, including .txt, .csv, .xls, .bmp, and *.jpg

User can click on the Main Menu->Edit->Copy to copy the graph area to clipboard.