COMPLEX RESISTIVITY & HACSAMT PROGRAM
Section 10, Page 33 January 2003
ALTERNATE LABORATORY ROCK MEASUREMENT SETUP
ALTERNATE LABORATORY ROCK MEASUREMENT SETUP
Transmitter I/O
LDT-PW Cable
Common
Channel 2
Channel 1
OUTER INNER INNER OUTER
CuSO4
Solution
CuSO4
Solution
Rock Electrodes LAB/2
Rock Sample
Basic Circuit
Lab Tx
Rock
Channel 2
Channel 1
GDP
Current monitor shunt values:
.001 - .01 mA 100K ohm
.01 - .1 mA 10K ohm
.1 - 1 mA 1K ohm
1 - 10 mA 100 ohm
LDT-10
current
monitor
LAB DOWNHOLE TRANSMITTERLDT-10
EXT. POWER
SATURATION
INPUT
TIME
FREQ
ON
OFF
EXT
OFFSET
RANGE, mA
CURRENT
FINE
CURRENT
MONITOR
SHIELD
OUTPUT
.001 - .01
.01 - .1
.1 - 1
1 - 10
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