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VW2100-DP
RST Instruments VW2100-DP Manuals
Manuals and User Guides for RST Instruments VW2100-DP. We have
1
RST Instruments VW2100-DP manual available for free PDF download: Instruction Manual
RST Instruments VW2100-DP Instruction Manual (34 pages)
Vibrating Wire Piezometer
Brand:
RST Instruments
| Category:
Measuring Instruments
| Size: 0 MB
Table of Contents
Table of Contents
3
1 Introduction
5
Model VW2100
6
Model VW2100-DP
6
2 Vibrating Wire Principle
6
3 Calibration
7
Field Calibration Check
8
4 Reading Procedures
9
VW Instrument Readings
9
Initial Inspection and Check Readings
9
Initial Readings
9
Pressure Equation (Using the VW2106 Readout)
11
Linear Equation
11
Second Order Polynomial Equation
12
5 Installation
13
Filter Saturation
14
Low Air Entry Sintered Stainless-Steel Filters
14
High Air Entry Ceramic Filters
15
One Bar High Air Entry Filters
15
Two Bar (or Higher) High Air Entry Filters
16
Installation in Full
17
Compacted Clay
17
Granular Materials
17
Installation in Boreholes
18
Sand/Bentonite Method
18
Fully Grouted Method
20
Piezometers Drive in Soft Ground
22
Installation
22
Cable Identification
23
Cable Routing
23
Transition from Vertical Borehole to Horizontal Trench
23
Horizontal Cable Runs
23
Lightning Protection
24
6 Troubleshooting
25
VW Piezometer Fails to Give a Reading
25
VW Piezometer Reading Unstable
25
Thermistor Reading Is too Low
26
Thermistor Reading Is too High
26
7 Specifications
27
8 Ervice and Epair
28
C Alculated P Ressure
32
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