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4500MLP
Geokon 4500MLP Manuals
Manuals and User Guides for Geokon 4500MLP. We have
1
Geokon 4500MLP manual available for free PDF download: Instruction Manual
Geokon 4500MLP Instruction Manual (35 pages)
Multilevel Vibrating Wire Piezometer
Brand:
Geokon
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
Table of Contents
5
1 Theory of Operation
7
Figure 1 - Model 4500S Vibrating Wire Piezometer
7
Figure 2 - Close up of 4500Mlp
8
2 Prior to Installation
9
Saturating the Filter Stone
9
Swagelok Tube Fitting Instructions
9
Installation
9
Figure 4 - Tube Insertion
9
Reassembly Instructions
10
Figure 5 - Make a Mark at Six O'clock
10
Figure 6 - Tighten One and One-Quarter Turns
10
Figure 7 - Marks for Reassembly
10
Establishing an Initial Zero Reading
11
Figure 8 - Ferrules Seated against Fitting Body
11
Figure 9 - Tighten Nut Slightly
11
3 Installation
13
Grouting Requirements
13
Table 1 - Cement/Bentonite/Water Ratios
13
Borehole Installation
14
The Drop Weight Method
14
4500Mlp Zip Tied for Drop Weight Method
14
Pneumatic Cutter Method
15
Figure 12 - Pneumatic Cutter Equipment
16
Pull-Pin Method
18
Splicing and Junction Boxes
18
Figure 14 - Typical Multi-Piezometer Installation
19
Lightning Protection
20
Figure 15 - Recommended Lab-3 Lightning Protection Scheme
20
4 Taking Readings
21
Gk-404 Readout Box
21
Operating the GK-404
21
Figure 16 - Lemo Connector to Gk-404
21
Gk-405 Readout Box
22
Connecting Sensors
22
Operating the GK-405
22
Figure 17 - Live Readings - Raw Readings
22
GK-403 Readout Box (Obsolete Model)
23
Connecting Sensors
23
Operating the GK-403
23
Measuring Temperatures
24
Checking the Calibration
24
Figure 18 - Sample Calibration Sheet
25
5 Data Reduction
26
Pressure Calculation
26
Equation 1 - Digits Calculation
26
Equation 2 - Convert Digits to Pressure
26
Temperature Correction
27
Table 2 - Engineering Units Multiplication Factors
27
Equation 3 - Temperature Correction
27
Barometric Correction (Required Only on Unvented Transducers)
28
Equation 4 - Barometric Correction
28
Equation 5 - Corrected Pressure Calculation
28
Vented Piezometers
29
Environmental Factors
29
6 Troubleshooting
30
Table 3 - Sample Resistance
31
Table 4 - Resistance Work Sheet
31
Appendix A. Specifications
32
Standard Piezometer Wiring
32
Table 5 - Vibrating Wire Piezometer Specifications
32
Table 6 - Standard Piezometer Wiring
32
Appendix B. Thermistor Temperature Derivation
33
Table 7 - Thermistor Resistance Versus Temperature
33
Equation 6 - Resistance to Temperature
33
Appendix C. High Temperature Thermistor Linearization
34
Table 8- Thermistor Resistance Versus Temperature for High Temperature Models
34
Equation 7 - High Temperature Resistance to Temperature
34
Appendix D. Improving the Accuracy of the Calculated Pressure
35
Equation 8 - Second Order Polynomial Expression
35
Equation 9 - Linearity Calculation
35
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