Geosense VW PIEZOMETERS, Инструкция по эксплуатации

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Version 1.4 May 09
It is VITAL that personnel responsible for the
installation and use of the piezometers READ and
UNDERSTAND the manual, prior to working with the
equipment.
1.1 General Description
The
Vibrating Wire Piezometer
is an environmentally sealed sensor that is used to
register changes in fluid pressure, generally in, but not limited to, under ground
locations.
A Vibrating Wire Piezometer can be installed or included in many types of monitoring
regime and can be linked to various types of readout equipment.
The primary uses for piezometers are :-
Soil and rock pore pressure measurement.
Water level monitoring ( groundwater or open chambers )
With applications such as, but not limited to, the following :-
Embankment stability and safety monitoring
Measuring loads behind retaining walls
Assessing soil consolidation
Measurement of uplift pressures acting on structural foundations
Verification of seepage patterns and models
Slope stability monitoring
Water level monitoring for Environmental control
Tidal influence assessment
Pump Testing
Particular features of the MGS-Geosense piezometer are:-
Reliable long term performance.
Rugged; suitable for demanding environments.
High accuracy.
Insensitive to long cable lengths.
The Piezometer is based upon ‘industry standard’ Vibrating Wire technology. When
electronically excited, the sensor produces an output signal in the form of an
alternating current. The frequency of the alternating current can then be readily
converted to a fluid pressure by applying individual calibration factors.
(Continued on page 4)
1.0 INTRODUCTION
This manual is intended for all users of Vibrating Wire Piezometers manufactured by
MGS Geosense and provides information on their installation, operation and
maintenance
.