Sign In
Upload
Manuals
Brands
Geokon Manuals
Measuring Instruments
4200HT
Geokon 4200HT Temperature Strain Gauges Manuals
Manuals and User Guides for Geokon 4200HT Temperature Strain Gauges. We have
1
Geokon 4200HT Temperature Strain Gauges manual available for free PDF download: Instruction Manual
Geokon 4200HT Instruction Manual (37 pages)
Vibrating wire strain gages
Brand:
Geokon
| Category:
Measuring Instruments
| Size: 1.42 MB
Table of Contents
Table of Contents
5
Introduction
7
Figure 1 - O Nsite Installation Photo
7
Models
8
Models 4200 and 4200L
8
Figure 2 - Model 4200 and 4200L Vibrating Wire Strain Gage
8
Table 1 - Heat Shrink Color Designations
8
Model 4202
9
Model 4210
9
Figure 3 - Model 4202 Vibrating Wire Strain Gage
9
Figure 4 - Model 4210 Vibrating Wire Strain Gage
9
Prior to Installation
10
Adjusting Model 4200 to the Desired Range
10
Gage and Cable Assembly
10
Figure 5 - Adjusting Wire Tension
10
Figure 6 - Assembled Gage and Coil Housing
10
Preliminary Check
11
Installing the Gages in Concrete
11
Direct Attachment to Rebar
12
Figure 7 - Attaching Model 4200/4200L/4200Ht Strain Gages to Rebar
12
Suspension Method
13
Figure 8 - Suspending Model 4200/4200L/4 200Ht Strain Gages between Rebar
13
Alternative Suspension Method
14
Using Precast Briquettes, Shotcrete, or Grouting
14
Figure 9 - Alternative Method for Attaching Model 4200/4200Ht Strain Gages to Rebar
14
Cable Splicing and Termination
15
Lightning Protection
15
Figure 10 - Lightning Protection Scheme
16
Taking Readings
17
Gk-404 Readout Box
17
Operating the GK-404
17
Figure 11 - Lemo Connector to Gk-404
17
Gk-405 Readout Box
18
Connecting Sensors
18
Operating the GK-405
18
GK-403 Readout Box (Obsolete Model)
19
Connecting Sensors
19
Operating the GK-403
19
Embedment Strain Gage Readout Positions
19
Table 2 - Readout Positions
19
Measuring Temperatures
20
Data Reduction
21
Readout Box Positiona
21
Readout Box Positionb
21
Table 3 - Embedment Strain Gage Factors
21
Equation 1 - Period to Digits Conversion
21
Readout Box Positionsd & E
22
Strain Resolution
22
Temperature Corrections
22
Equation 2 - Theoretical Strain
22
Equation 3 - Apparent Strain
22
Equation 4 - Correction for Temperature Effects on the Gage
23
Equation 5 - True , Load Related Strain Corrected for Temperature
23
Shrinkage Effects
24
Equation 6 - Actual Strain
24
Creep Effects
25
Effect of Autogenous Growth
25
Converting Strain to Load
25
Effective Modulus
25
Table 4 - Effective Modulus
25
Equation 7 - Strain to Load Formula
25
Troubleshooting
26
Table 5 - Sample Resistance
27
Table 6 - Resistance Work Sheet
27
Appendix A. Specifications
28
Thermistor
28
Strain Gage
28
Table 7 - Strain Gage Specifications
28
Appendix B. Theory of Operation
29
Table 8 - Embedment Strain Gage Theoretical Parameters
29
Appendix C. Thermistor Temperature Derivation
32
Table 9 - Thermistor Resistance Versus Temperature
32
Equation 8 - Resistance to Temperature
32
Appendix D. High Temperature Thermistor Linearization
33
Table 10- Thermistor Resistance Versus Temperature for Model 4200Ht
33
Equation 9 - High Temperature Resistance to Temperature
33
Appendix E. no Stress-Strain Enclosure
34
Figure 12 - N Ostress Strain Enclosure
34
Appendix F. Model 4200Ht-T High Temperature Strain Gage
35
Figure 13 - Model 4200Ht-T
35
Appendix G. Measurement and Correction of Temperature Effects
36
Equation 10 - Temperature Induced Stress
36
Equation 11 - Combined Temperature and Load Related Stress
36
Equation 12 - External Load Stress
36
Equation 13 - Actual Strain
37
Advertisement
Advertisement
Related Products
Geokon 4200ER
Geokon 4204
Geokon 4212
Geokon 4214
Geokon 4050
Geokon 4425
Geokon 4800 Series
Geokon 4830
Geokon 4400
Geokon 4650
Geokon Categories
Measuring Instruments
Accessories
Data Loggers
Network Hardware
Industrial Equipment
More Geokon Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL