Geometrics Memory-Mag G-856AX, Operation Manual

Page: 4 / 60

Geometrics, Inc
.
G-856AX Operation Manual
iv
L
ITHIUM BATTERY
......................................................................................................37
S
ENSOR
F
LUID
............................................................................................................38
APPENDIX..................................................................................................................41
M
AGNETIC FIELD INCLINATION
(
DEGREES
) ..................................................................41
M
AGNETIC FIELD INTENSITY VARIATION
(
N
T) .............................................................41
T
ROUBLESHOOTING
....................................................................................................42
RS-232
INTERFACE
.....................................................................................................43
F
RONT PANEL CONNECTOR PIN ASSIGNMENT
...............................................................44
O
UTPUT FORMAT
........................................................................................................44
E
XTERNAL
P
OWER
.....................................................................................................45
E
XTERNAL MAGNETOMETER CONTROL
........................................................................45
I
NTERNAL PROGRAMMING SWITCHES
..........................................................................46
Polarize and count time – Switches 1 through 4.....................................................47
I
NTERNAL
R
ESET SWITCH
...........................................................................................49
S
PECIFICATIONS
.........................................................................................................50
W
ARRANTY AND SERVICE
...........................................................................................52
D
ECLARATION OF
C
ONFORMITY
..................................................................................54
Table of Figures
Figure 1. G-856 proton-precession magnetometer...........................................................6
Figure 2. Sensor staff sections. .......................................................................................7
Figure 3. Sensor preparation. ..........................................................................................7
Figure 4. Staff / sensor assembly. ...................................................................................8
Figure 5. Console battery compartment. .........................................................................8
Figure 7. G-856 shoulder harness. ..................................................................................9
Figure 8. Assembled magnetometer................................................................................9
Figure 9. Location of 'Read' key on magnetometer console...........................................10
Figure 10. Gradiometer components. ............................................................................10
Figure 11 Removing standard sensor cable from top sensor. ..........................................11
Figure 12. Top sensor with gradiometer cable attached.................................................11
Figure 13. Bottom sensor with gradiometer cable attached. ..........................................11
Figure 14. Connection of threaded staff adaptors. .........................................................12
Figure 15. Completed gradiometer staff........................................................................12
Figure 16. Attach the gradiometer switch box...............................................................13
Figure 17. Base-station setup up using tripod kit and G-856AX staff section. ...............14
Figure 18. Alternate orientation for G-856AX sensor mount.........................................15
Figure 19. Magnetic Inclination of the Earth’s field. .....................................................15
Figure 20. G-856AX console display and keypad. ........................................................16
Figure 21. Magnetic Field Intensity Variation, (nT)......................................................20
Figure 22, Typical survey layout. ..................................................................................31
Figure 23. Location of console’s internal programming switch. ....................................46
Figure 24. Internal reset switch.....................................................................................50