TABLE of CONTENTS
Page
1. THEORY OF OPERATION....................................................................................................................1
2. TAKING READINGS ..............................................................................................................................2
3. DATA REDUCTION ................................................................................................................................3
4. MAINTENANCE AND TROUBLE SHOOTING .................................................................................4
4.1
B
ATTERY
..............................................................................................................................................4
4.2
R
EADOUT
S
YSTEM
................................................................................................................................4
4.3
C
ALIBRATION
........................................................................................................................................4
APPENDIX A - GK-401 SPECIFICATIONS ............................................................................................5
APPENDIX B - CONNECTOR PINOUTS ................................................................................................6
APPENDIX C - BATTERY PACK REPLACEMENT INSTRUCTIONS ..............................................7
APPENDIX D - THERMISTOR LINEARIZATION................................................................................8
APPENDIX E - READING OTHER MANUFACTURERS’ SENSORS.................................................9
TABLES
T
ABLE
1
-
GK-401
D
ISPLAY
P
OSITION VS
.
G
EOKON
M
ODEL
N
UMBER
.............................................................2
T
ABLE
2
-
T
HERMISTOR
R
ESISTANCE VS
.
T
EMPERATURE
.................................................................................8
T
ABLE
3
-
V
IBRATING
W
IRE
L
ENGTH VS
.
F
REQUENCY
R
ANGE
........................................................................9