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Table of Contents
Summary of Contents for EML Limpet
- Page 1 Limpet User Manual UM-155-290-Limpet User Manual – V2.0...
- Page 2 The contents are subject to change without prior notice. Please observe that this manual does not create any legally binding obligation for EML towards the customer or end user. All legally binding commitments and agreements are included exclusively in the applicable supply contract or Conditions of Sale.
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Page 3: Table Of Contents
Saving the event data ......................... 8 Data Conversion ..........................9 Troubleshooting ........................11 Appendix A - Frequently ask questions ....................12 Installer to run EML Limpet Logger GUI Application ................ 12 FTDI driver auto installation......................13 UM-155-290-Limpet User Manual – V2.0 P a g e... -
Page 4: General Information
1. General Information About this Manual This manual is intended as a general guide for installing, wiring and using a Limpet and LimpetXL data loggers (from here on, both referred to as Limpet). The information contained in this manual may not cover all aspects of Limpet applications. -
Page 5: Introduction
The EML Limpet logger provides an efficient and economical method of logging rainfall at a remote location without external power. The Limpet fits inside all EML rain gauges and works for all tipping bucket rain gauges with simple contact closure/pulse output. It records rainfall in ‘event’ mode, and provides the option to post-process the data to different timed intervals, from 1min to 24 hours. -
Page 6: Installing The Software
5. Configuring the logger Connect logger to a PC • Connect one end of the serial cable to the Limpet Logger and the other end to a free serial USB port on the Computer. • Select ‘Auto detect’ on the Port combo box then Press the ‘Connect’ button. This will automatically select the appropriate COM port and connect the logger GUI to it. -
Page 7: Select Measurement Unit
Go to ‘Options’ then ‘Select Calibration Factor’. This is the precipitation multiplier and is known as the ‘resolution’. It can be set to any value, but it must be matched up with the appropriate rain gauge. The resolutions EML tipping bucket rain gauges are shown in the table below: Rain Gauge Model... -
Page 8: Data Collection
Select a suitable location and choose an appropriate file name and click ‘Save’. See Figure 1 for a screen grab of the software when saving the event data. UM-155-290-Limpet User Manual – V2.0 P a g e... -
Page 9: Data Conversion
Select the data file you wish to perform the conversion for. The file name data file is as follows: {Logger name}_{Date downloaded}_{Time downloaded}_Event The screen grab in Figure 2 shows the file being selected for data conversion. UM-155-290-Limpet User Manual – V2.0 P a g e... - Page 10 Figure 3 below. It is good practice to save the data with the interval at the end of the file, instead of “Event”. E.g. {Logger name}_{Date downloaded}_{Time downloaded}_5mins UM-155-290-Limpet User Manual – V2.0 10 | P a g e...
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Page 11: Troubleshooting
If the computer is not detecting the Limpet, check the serial connection. If the Limpet Logger GUI is connected to the COM port and the Limpet is not responding, check if the right COM port has been selected by selecting a different port. This can be done only if the Limpet GUI is displaying more than one COM port. -
Page 12: Appendix A - Frequently Ask Questions
.NET Framework." Cause: This message appears when the computer onto which “EML Limpet Logger GUI” Software is being installed (or has been installed) does not have Microsoft .NET Framework 4.0 - part of Windows OS (Operating System) - installed or activated on it. -
Page 13: Ftdi Driver Auto Installation
FTDI driver auto installation The USB cable provided with the Limpet logger is build using a FTDI chip. When the USB cable is first connected to a computer, Window Update will automatically detect the FTDI driver for the USB cable online and install it on the computer, if the driver is not already present.
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