Graphtec America GL240 Data Logger Instruction Manual

1. Product Overview

The Graphtec America GL240 is a versatile 10-channel data logger designed for precise measurement and recording of various data types. It features a 4.3-inch wide TFT color LCD screen for clear data visualization and intuitive operation. The device includes 4GB of internal flash memory and supports SDHC cards up to 32GB for extended storage. Its robust design ensures high isolation per channel, making it suitable for diverse industrial and scientific applications.

Image 1: Graphtec GL240 Data Logger highlighting key features such as isolated channels, logic/pulse signal input port, SDHC memory slot, and the 4.3-inch wide TFT color LCD screen.

Key Features:

• 4.3-inch wide TFT color LCD screen for real-time data display.
• 10 isolated input channels for diverse measurement applications.
• Multiple power source options: AC adapter, optional DC (B-514), and optional rechargeable battery pack (B-569).
• Extended memory capacity with 4GB internal flash and SDHC card support up to 32GB.
• High-speed sampling interval up to 10ms for a single channel and 100ms for all 10 channels.
• 16-bit resolution for accurate data acquisition.
• High isolation per channel (125 VAC RMS and 350 VDC channel-to-chassis).
• Up to 110Vp-p input range between positive and negative terminals.
• Four alarm output ports for monitoring critical thresholds.

2. Setup

This section outlines the basic steps for setting up your GL240 Data Logger. For detailed instructions, please refer to the included StartUp Manual and Application CD.

2.1 Unpacking and Inspection

1. Carefully remove the GL240 unit and all accessories from the packaging.
2. Verify that all components listed in the packing list are present. These typically include the GL240 device, rubber grommet, Application CD, and AC/DC power supply.
3. Inspect the unit for any signs of damage during transit. If damage is found, contact your supplier immediately.

2.2 Power Connection

1. Connect the provided AC/DC power supply to the GL240's power input port.
2. Plug the AC adapter into a suitable power outlet.
3. Alternatively, if using the optional rechargeable battery pack (B-569) or DC power (B-514), ensure they are correctly installed and charged according to their respective manuals.

2.3 SD Card Installation

1. Locate the SD card slot on the GL240 unit.
2. Insert a compatible SDHC card (up to 32GB) into the slot until it clicks into place. Ensure the card is inserted in the correct orientation.
3. It is recommended to format the SD card using the GL240's menu system before first use to ensure compatibility and optimal performance.

2.4 Software Installation

1. Insert the Application CD into your computer's CD/DVD drive.
2. Follow the on-screen instructions to install the necessary software for data analysis and device configuration.
3. Refer to the software's user manual for detailed installation and usage instructions.

Image 2: Front view of the Graphtec GL240 Data Logger, illustrating the 10 input terminals and the control panel.

3. Operating Instructions

This section provides a general overview of operating the GL240 Data Logger. For detailed operational procedures, refer to the comprehensive user manual provided on the Application CD.

3.1 Powering On/Off

• To power on: Press and hold the POWER button until the display illuminates.
• To power off: Press and hold the POWER button until the unit shuts down.

3.2 Navigating the User Interface

The GL240 features a 4.3-inch color LCD and a control panel with directional keys and dedicated function buttons.

• Use the directional keys (UP, DOWN, LEFT, RIGHT) to navigate through menus and settings.
• Press the ENTER button to confirm selections.
• The MENU button accesses the main settings and configuration options.
• The DISPLAY button cycles through different display modes (e.g., waveform, numerical).

3.3 Configuring Channels and Settings

1. Access the MENU to configure individual channels.
2. Set input types, measurement ranges, and scaling for each of the 10 channels.
3. Configure sampling intervals (e.g., 10ms for single channel, 100ms for all channels).
4. Set alarm thresholds for the four alarm output ports if required.

3.4 Starting and Stopping Data Logging

• After configuring settings, press the START/STOP button to begin data logging. The status indicator will change to show recording is active.
• To stop logging, press the START/STOP button again.
• Logged data is saved to the internal 4GB flash memory or the inserted SD card.

3.5 Data Review and Export

• On the GL240, use the REVIEW button to access recorded data directly on the device's display.
• To perform detailed analysis and export data, transfer the recorded files from the SD card to a computer.
• Use the Graphtec software installed from the Application CD to read, analyze, and export the data into formats such as CSV for use with other applications like Microsoft Excel.

Image 3: The Graphtec GL240 Data Logger held in hands, demonstrating its compact size and portability.

4. Maintenance

Proper maintenance ensures the longevity and reliable performance of your GL240 Data Logger.

4.1 Cleaning

• Wipe the exterior of the unit with a soft, dry cloth.
• For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner.
• Do not use strong solvents, alcohol, or abrasive cleaning agents, as these can damage the casing or display.
• Ensure no liquids enter the device through ports or openings.

4.2 SD Card Management

• Regularly back up important data from the SD card to a computer.
• Periodically format the SD card using the GL240's menu to maintain optimal performance and prevent data corruption. Ensure all necessary data is backed up before formatting.
• Use only high-quality, compatible SDHC cards.

4.3 Battery Care (if applicable)

• If using the optional rechargeable battery pack (B-569), follow the charging instructions provided with the battery.
• Avoid fully discharging the battery frequently to prolong its lifespan.
• Store the unit and battery in a cool, dry place when not in use for extended periods.

5. Troubleshooting

This section addresses common issues you might encounter with the GL240 Data Logger. For more complex problems, consult the full user manual or contact Graphtec America technical support.

5.1 Device Does Not Power On

• Check Power Supply: Ensure the AC adapter is securely connected to both the GL240 and a working power outlet.
• Battery Check: If using a battery pack, ensure it is charged and correctly installed.
• Power Button: Confirm the POWER button is pressed and held sufficiently.

5.2 Data Not Recording

• SD Card: Verify that an SD card is inserted correctly and has sufficient free space. Try reformatting the SD card (after backing up data).
• Start/Stop Button: Ensure the START/STOP button was pressed to initiate recording.
• Configuration: Check channel settings and sampling intervals in the MENU to ensure they are correctly configured.

5.3 Data Cannot Be Read on Computer

• Software Installation: Confirm that the Graphtec analysis software from the Application CD is correctly installed on your computer.
• File Transfer: Ensure the data files are correctly transferred from the SD card to your computer.
• Compatibility: Remember that GL240 data files require the dedicated Graphtec software for initial reading and export to common formats like CSV.

6. Specifications

The following table details the technical specifications of the Graphtec GL240 Data Logger.

*Optional accessories, sold separately.

7. Warranty and Support

For information regarding product warranty, please refer to the warranty card included with your GL240 Data Logger or visit the official Graphtec America website. Technical support and additional resources can be found through Graphtec America Inc.

• Manufacturer: Graphtec America Inc
• Website: Refer to product packaging or included documentation for official support channels.