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4500AR
Geokon 4500AR Manuals
Manuals and User Guides for Geokon 4500AR. We have
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Geokon 4500AR manuals available for free PDF download: Instruction Manual
Geokon 4500AR Instruction Manual (39 pages)
Vibrating Wire Piezometer 4500 series
Brand:
Geokon
| Category:
Measuring Instruments
| Size: 1.08 MB
Table of Contents
Table of Contents
4
1 Theory of Operation
7
2 Quick Start Instructions
8
3 Prior to Installation
8
Saturating Filter Tips
8
Piezometers with Low Air Entry (Standard) Filter Housings
8
Model 4500S Equipped with Option High Air Entry Ceramic Filter
9
Model 4500C
10
Establishing an Initial Zero Reading
11
Recommended Method
12
Alternative Method 1
12
Alternative Method 2
12
Alternative Method 3
12
Checking the Piezometer Performance
13
4 Installation
14
Installation in Standpipes or Wells
14
Figure 3 - Typical Level
14
Installation in Boreholes
15
Figure 4 - Typical Borehole
16
Table 1 - Cement /Bentonite
17
Installation in Fills and Embankments
18
Figure 5 - High Air Entry
18
Figure 6 - Low Air Entry
19
Installation by Pushing or Driving into Soft Soils
20
Figure 7 - Typical Softs
20
Model 4500H and Model 4500Hh Transducer
21
Splicing and Junction Boxes
22
Figure 8 - Typical Multi
22
Lightning Protection
23
Figure 9 - Recommended
23
5 Taking Readings
24
Gk-404 Readout Box
24
Operating the GK-404
24
Figure 10 - Lemoc
24
Gk-405 Readout Box
25
Connecting Sensors
25
Operating the GK-405
25
Figure 11 - Live Readings
25
GK-403 Readout Box (Obsolete Model)
26
Connecting Sensors
26
Operating the GK-403
26
Measuring Temperatures
27
6 Data Reduction
28
Pressure Calculation
28
Equation 1 - Digitsc
28
Equation 2 - Convertd
28
Figure 12 - Typicalc
29
Table 2 - Engineeringu
29
Temperature Correction
30
Equation 3 - Temperature
30
Barometric Correction (Required Only on Unvented Transducers)
31
Equation 4 - Barometric
31
Equation 5 - Corrected
31
Vented Piezometers
32
Environmental Factors
32
7 Troubleshooting
33
Table 3 - Sample Resistance
33
Table 4 - Resistancew
33
Appendix A. - Specifications
35
Standard Piezometer Wiring
35
Figure 1 - Model 4500S
35
Table 5 - Vibrating Wire
35
Table 6 - Standardp
35
Temperature
35
Appendix B. - Thermistor Temperature Derivation
36
Table 7 - Thermistorr
36
Equation 6 - Resistance to
36
Appendix C. High Temperature Thermistor Linearization
37
Table 8- Thermistorr
37
Equation 7 - Hight
37
Appendix D. Improving the Accuracy of the Calculated Pressure
38
Appendix E. - Model 4500Ar Piezometer
39
Figure 13 - 4500Ar
39
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Geokon 4500AR Instruction Manual (44 pages)
Vibrating wire piezometer
Brand:
Geokon
| Category:
Measuring Instruments
| Size: 5.24 MB
Table of Contents
Table of Contents
5
1 Theory of Operation
11
Figure 1: Model 4500S Vibrating Wire Piezometer
11
2 Quick Start Instructions
12
3 Prior to Installation
13
Saturating Filter Tips
13
Saturating Low Air Entry (Standard) Filters
13
Saturating High Air Entry Ceramic Filters
13
Saturating Model 4500C Filter Tips
14
Establishing an Initial Zero Reading
14
Figure 2: 4500C Saturation
14
Alternative Method One
15
Alternative Method Two
15
Recommended Method for Establishing an Initial Zero Reading
15
Alternative Method Three
16
Checking the Piezometer Performance
16
4 Installation
17
Installation in Standpipes or Wells
17
Installation in Boreholes
17
Figure 3: Typical Level Monitoring Installation
17
Figure 4: Typical Borehole Installations
18
Installation in Fills and Embankments
19
Table 1: Cement / Bentonite / Water Ratios
19
Installation by Pushing or Driving into Soft Soils
20
Figure 5: High Air Entry Filter
20
Figure 6: Low Air Entry Filters Only
20
Model 4500H and Model 4500Hh Transducer
21
Splicing and Junction Boxes
21
Figure 7: Typical Soft Soils Installation
21
Lightning Protection
22
Figure 8: Typical Multi-Piezometer Installation
22
Freezing Protection
23
Figure 9: Recommended Lightning Protection Scheme
23
5 Taking Readings
24
Gk-404 Vibrating Wire Readout
24
Operating the Gk-404
24
Figure 10: Gk-404 Readout
24
Figure 11: Lemo Connector to Gk-404
24
Gk-405 Vibrating Wire Readout
25
Connecting Sensors with 10-Pin Bulkhead Connectors
25
Attached
25
Connecting Sensors with Bare Leads
25
Operating the Gk-405
25
Measuring Temperatures
25
Figure 12: Gk-405 Readout
25
6 Data Reduction
27
Pressure Calculation
27
Table 2: Engineering Units Multiplication Factors
27
Equation 1: Digits Calculation
27
Equation 2: Convert Digits to Pressure
27
Equation 3: Temperature Correction
28
Equation 4: Barometric Correction
28
Figure 13: Vented Piezometers
29
Equation 5: Corrected Pressure Calculation
29
Table 3: 4500 Vibrating Wire Piezometer Specifications
33
Table 4: 4500Cr Vibrating Wire Piezometer Specifications
33
Table 5: Standard Piezometer Wiring
33
Table 6: 3Kω Thermistor Resistance
34
Equation 6: 3Kω Thermistor Resistance
34
Table 7: 10Kω Thermistor Resistance
35
Equation 7: 10Kω Thermistor Resistance
35
Equation 8: Second Order Polynomial Expression
36
Equation 9: Linearity Calculation
36
Figure 14: Typical Calibration Report
37
Figure 15: 4500Ar Piezometer
38
Table 8: 4500Ar Wiring Chart
38
Geokon 4500AR Instruction Manual (32 pages)
Vibrating Wire Piezometers
Brand:
Geokon
| Category:
Measuring Instruments
| Size: 0.39 MB
Table of Contents
Table of Contents
5
1 Theory of Operation
7
2 Installation
8
Preliminary Tests
8
Establishing an Initial Zero Reading
8
Checking the Calibration
9
Installation in Standpipes or Wells
10
Installation in Boreholes
10
Installation in Fills and Embankments
12
Installation by Pushing or Driving into Soft Soils
13
De-Airing Filter Tips
14
Low Air Entry Filter, Model 4500S and 4500PN
14
Removable Ceramic Filter, Model 4500S
15
Model 4500DP
16
Model 4500H Transducer
16
Splicing and Junction Boxes
16
Lightning Protection
17
3 Taking Readings
18
Operation of the Gk-403 Readout Box
18
Operation of the Gk-404 Readout Box
19
Operation of the Gk-405 Readout Box
19
Measuring Temperatures
20
4 Data Reduction
20
Pressure Calculation
20
Temperature Correction
22
Barometric Correction (Required Only on Un-Vented Transducers)
23
Vented Piezometers
24
Environmental Factors
24
5 Troubleshooting
25
Appendix A - Specifications
26
Appendix B - Standard Temperature Thermistor Temperature Derivation
27
Appendix D - Notes Regarding the Model 4500C
29
Appendix E - Non Linearity and the Use of a Second Order Polynomial to Improve the Accuracy of the Calculated Pressure
30
Appendix F - Quick Instructions for Installing a Vibrating Wire Piezometer
31
Appendix G - Model 4500Ar Piezometer
32
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