Geonics Limited EM31-SH, Operating Manual

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EM31-SH SPECIFICATIONS
MEASURED
QUANTITIES
(1) Apparent conductivity of the ground in
millisiemens per meter (mS/m)*
(2) Inphase component in parts per thousand
(ppt) of the ratio of the secondary to
primary magnetic field
PRIMARY FIELD SOURCE
SENSOR
INTERCOIL SPACING
OPERATING FREQUENCY
POWER SUPPLY
(For Main Console)
CONDUCTIVITY RANGES
INPHASE RANGE
DATA LOGGER CAPACITY
MEASUREMENT RESOLUTION
MEASUREMENT ACCURACY
NOISE LEVELS
OUTPUT PORT FOR
REAL TIME LOGGING
DIMENSIONS
WEIGHT
Self-contained dipole transmitter
Self-contained dipole receiver
2.0 meters
9.8 kHz
8 disposable alkaline “C” cells (approx.
20 hrs. life continuous use)
19, 199, 1999 mS/m
±6 ppt
a)
8,000 records (two components)
b) 6,000 records (two comp GPS)
0.1% of full scale
+5% at 20 mS/m
0.1
mS/m, 0.03 ppt
RS-232C, 9,600 baud rate
Boom
: 2.35 meters extended
: 1.36 meters stored
Shipping Case : 144 x 21.5 x 36 cm
Instrument Weight : 9.0 kg
Shipping Weight : 20.5 kg
*Millisiemens per meter (mS/m) are the same as millimhos per meter (mmho/m)
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