GVM2 User Guide.psd
Contents
1. the configuration menu gt Data logger and activate the File option where a complete text report is stored in memory as log which contains all the operations performed by the GVM2 Also in Monitor Rec mode all the required information is stored in a text file that can be imported into a word processor With an external printer or modem the logger is able to print send sms or e mail One log file stores information for a whole day with a different file every day Waveform mode has 2 possibilities 1 Waits for a vibration to exceed the trigger level 2 Press the OK key at any time to force a trigger and produce a record This option is very useful for construction machinery to force a trigger for example when the machine is in an exact position or for blasting If the vibration will be very low manually trigger and then press the Fire button on the blasting machine2. GVM2 User Guide To begin recording switch on wait for the main screen to be displayed and press OK an information screen with the configuration parameters will appear Press OK again and the different options will be shown For Waveform monitoring also known as trigger or impulse mode press OK again Capture an event every time that the vibration is over the trigger value the GVM2 will record the event unless Single mode has been previously selected in the configuration menu in which case recording will stop after the ist trigger For Monitor Mode also know as histogram or bar graph mode select the Monitor Mode option and two options will appear 1 Monitor Using this option the vibration values are shown on the screen but the GVM2 doesn t store anything This option is useful for determining background ground vibration before beginning Waveform or Monitor recording 2 Monitor Rec With this option vibration values are shown on the GVM2 s display and also recorded In Monitor Mode if vibration exceeds the trigger level the GVM2 will store the normal Monitor file and one Waveform file for every value over the trigger level Users must be careful to select an appropriate trigger level or disable it to prevent very quickly filling the memory This option enables alarm notification to the user if the SMS or e mail modes are active The GVM2 has a further option the Data logger Go to
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