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4422
Geokon 4422 Manuals
Manuals and User Guides for Geokon 4422. We have
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Geokon 4422 manual available for free PDF download: Instruction Manual
Geokon 4422 Instruction Manual (21 pages)
Monument Crackmeter
Brand:
Geokon
| Category:
Measuring Instruments
| Size: 0.84 MB
Table of Contents
Table of Contents
5
1 Introduction
7
2 Installation
7
Preliminary Tests
7
Crackmeter Installation
8
Drill Hole Type
8
Figure 1 - Model 4422-1 M
8
Table 1 - Crackmeter Reading
8
Surface Mounting
9
Initial Readings
9
Cable Installation and Splicing
9
Figure 2 - Model 4422-2 M
9
Lightning Protection
10
Figure 3 - Lightning Protection
10
3 Taking Readings
11
Gk-404 Readout Box
11
Operating the GK-404
11
Figure 4 - Lemo Connector to
11
Gk-405 Readout Box
12
Connecting Sensors with 10-Pin Bulkhead Connectors Attached
12
Sensors with Bare Leads
12
Operating the GK-405
12
Figure 5 - Live Readings - R
12
GK-403 Readout Box (Obsolete Model)
13
Connecting Sensors with 10-Pin Bulkhead Connectors Attached
13
Connecting Sensors with Bare Leads
13
Operating the GK-403
13
Measuring Temperatures
13
4 Data Reduction
14
Displacement Calculation
14
Table 2 - Engineering Units
14
Equation 1 - Digits Calculation
14
Equation 2 - Deformationc
14
Temperature Correction
15
Table 3 - Thermal Coefficient
15
Equation 3 - Thermallyc
15
Equation 4 - Thermalc
15
Environmental Factors
16
Figure 6 - Typical 4422 M
17
5 Troubleshooting
18
Table 4 - Sample Resistance
19
Table 5 - Resistance Works
19
Appendix A. Specifications
20
Model 4422 Crackmeter
20
Thermistor
20
Appendix B. Thermistor Temperature Derivation
21
Table 6 - Thermistorr
21
Equation 5 - Resistance Tot
21
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