Campbell CDM-VW300 Series Instrukcja Obsługi Strona 11

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CDM-VW300 Series Dynamic Vibrating-
Wire Analyzers
Configuring a dynamic vibrating-wire measurement system requires an
integrated system-wide approach. Please review this manual before
connecting hardware together or to the PC. The ResourceDVD, which ships
free of charge with most Campbell Scientific instrumentation orders, contains
the following tools that will help you configure a dynamic vibrating-wire
analyzer system:
A copy of this manual
DVWTool Dynamic Vibrating-Wire Toolbox software for CDM-
VW300 support
DevConfig Device Configuration Utility software
Required datalogger operating systems
Other support information and downloads are available at
www.campbellsci.com/cdm-vw300-support.
1. Introduction
Vibrating-wire sensors are commonly used in geotechnical or structural
monitoring applications to measure strain, load, tilt, inclination, temperature,
pressure, extension, and crack movement. CDM-VW300 Series Dynamic
Vibrating-Wire Analyzers facilitate sub-second measurement of vibrating-wire
sensors. These analyzers perform advanced excitation, spectral analysis, and
digital signal processing to obtain high-accuracy measurements. Data are
stored on a Campbell Scientific datalogger, which is normally used to control
the system in field installations.
The CDM-VW300 has two modes of operation:
Laboratory mode
o Manual operation
o Does not require a datalogger
o Requires a PC
o Used in short-term evaluation
o Real-time data and metadata are monitored with PC
Field mode
o Automated operation
o Requires a datalogger
o PC used only for setup and collection of data from datalogger
o Used in long-term monitoring applications
o Time-series data and metadata stored in datalogger memory
Two analyzer models are available in the CDM-VW300 series:
CDM-VW300 (two channels)
CDM-VW305 (eight channels)
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