Geokon 4370, Instruction Manual, Page: 5 / 19

TABLE of CONTENTS
1. INTRODUCTION..................................................................................................................... 1
2. OPERATING PRINCIPLE ..................................................................................................... 1
3. INSTALLATION ...................................................................................................................... 2
4. LIGHTNING PROTECTION ................................................................................................. 4
3. TAKING READINGS .............................................................................................................. 5
3.1 GK-404 R
EADOUT
B
OX
.......................................................................................................... 5
3.1.1 Operating the GK-404 ..................................................................................................... 5
3.2 GK-405 R
EADOUT
B
OX
.......................................................................................................... 6
3.2.1 Connecting Sensors ......................................................................................................... 6
3.2.2 Operating the GK-405 ..................................................................................................... 6
3.3 GK-403 R
EADOUT
B
OX
(O
BSOLETE
M
ODEL
) ......................................................................... 7
3.3.1 Connecting Sensors ......................................................................................................... 7
3.3.2 Operating the GK-403 ..................................................................................................... 7
3.4 M
EASURING
T
EMPERATURES
.................................................................................................. 7
6. DATA REDUCTION ................................................................................................................ 8
6.1 S
TRESS
C
ALCULATION
............................................................................................................ 8
6.2. T
EMPERATURE
C
ORRECTION
................................................................................................. 9
7. TROUBLESHOOTING ......................................................................................................... 10
APPENDIX A. SPECIFICATIONS .......................................................................................... 11
A.1 4370 C
ONCRETE
S
TRESSMETER
........................................................................................... 11
A.2 T
HERMISTOR
........................................................................................................................ 11
APPENDIX B. THERMISTOR TEMPERATURE DERIVATION...................................... 12
APPENDIX C. TYPICAL CALIBRATION REPORT ........................................................... 13