Geokon GK-604D, Руководство пользователя

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89
F.2. Analog Probe System Specifications
The following table contains specifications for the analog probe system which is
comprised of a probe (6100-1M or 6100-1E) and the Remote Module. The Remote
Module can be either a GK-604-3 (reel system) or a GK-604-4 (probe interface).
Probe Range (100% F.S.) ± 30 °
Remote Module Input Range
±
8 VDC
Sensors 2 MEMS accelerometers
MEMS Output
1
±
4 VDC
Probe Resolution
2
.025 mm /500mm (.0001 ft/ 2 ft)
Remote Module Resolution 16 bit
Repeatability
3
± 1mm/30m ( ± 0.05in/100ft)
Total System Accuracy
4
±
4 mm/ 30 m (
±
0.17 inch/ 100 ft)
Remote Module Accuracy ± 0.1% F.S.
Probe Temperature Range
−
20
°
C to 50
°
C (
−
4
°
to 122
°
F)
Remote Module Temp. Range -30 ° C to 50 ° C
Temperature Coefficient <.0002% F.S./
°
C (<.0002% F.S./
°
F)
Wheel Base 0.5m or 1.0m (2 ft)
Probe Length x Diameter
5
700
×
25 mm dia. (32
×
1 in dia.)
GK-604-3 Dimensions (L x W x H): 380 x 280 x 490 mm
GK-604-4 Dimensions (L x W x H): 160 x 75 x 75 mm
Weight (with case) (GK-604-1) 7.5 kg (16 lb)
Shock Survival
2000g
Battery (Remote Module) Li-Ion, 7.4 V, 2600 mAh; >16 hours
continuous operation per charge
Notes:
1. The probe o/-4 volts at an inclination of +/-30 ° to the vertical. These
parameters are referred to as full scale. Operation beyond this inclination is not
possible with a standard MEMS probe.
2. The resolution shown in the table above is only true in the range of
±
5
°
from the
vertical. Beyond this the resolution is reduced by a factor equal to 1/cosine of the
angle from the vertical. For instance the resolution at 0 degrees from vertical is 10.3
arc seconds and the resolution at 15 degrees from the vertical is 10.3 x 1/0.966 =
10.7 arc seconds. The figures given assume that the readout box can detect a change
of output of 0.0005 VDC.
3. The figure shown applies to the use of a single probe used repeatedly over a short
space of time in a single borehole.
4. In practice, system accuracy is controlled mainly by the precision with which the
inclinometer can be positioned at exactly the same depth, in the casing, from survey
to survey. Factors such as debris in the casing or casing damage also have an effect.
The stated accuracy assumes that the surveys are conducted over a period of time in a
proper manner and that the casing is within 5 degrees off the vertical. Accuracy is