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GeoSIG AC-63 Triaxial Force Balanced Accelerometer
Our new state-of-the-art sensor is based on a force balanced
servo accelerometer concept introducing an innovative and
rugged mass suspension system which yields a superior signal-to-noise
ratio and temperature and drift compensation. Incorporated
Digital Sensor Control provides excellent offset stability.
Recommended for strong motion earthquake survey & industrial
applications requiring rugged sensors, the AC-63 comes as
a triaxial orthogonal package.
The standard scale is ± 2 g, optionally adjustable to ± 1g or ± 0.5g. The frequency response ranges from From DC to 100 Hz to 200
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GeoSIG AC-63-DH Downhole Accelerometer
This is a specially designed down hole sensor incorporating all features of the AC-63. With the maintenance free and configurable-from-surface structure, offers a long service life under harsh conditions below the ground.
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VE-53 Triaxial Velocity Sensor
The VE-53 sensor is based on a standard exploration geophone
mass-spring system with electronic correction. This type of
sensor give very good stability verses temperature or aging
because of the very simple principle.The VE-53 sensor package
is a triaxial velocity sensor designed for field or industrial
survey and monitoring applications regarding vibration and
explosion for civil engineering.
A downhole version, VE-53DH is also available
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GeoSIG AC-2x Series Accelerometers
The AC-2x Series are based on a standard exploration geophone
mass-spring system with electronic correction, which yields
a simple thus reliable accelerometer series. The temperature
stability and light weight (2.5 kg) of AC-2x is outstanding.
Recommended for strong motion earthquake survey & industrial
applications requiring high sensitivity, 2x series come with
two different uniaxial (AC-21H & 21V), as well as biaxial
(AC-22) and triaxial (AC-23) configurations. The sensor full
scale is 1g adjustable at ±0.1 g, ±0.2 g, ±0.5
g and ±1 g along with a frequency response of 0.2 Hz
to 50 Hz.
It is also is available as a low noise version
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GeoSIG AC-23-DH Downhole Accelerometer
This is a specially designed down hole sensor incorporating
all features of the AC-23. With the maintenance free and configurable-from-surface
structure, offers a long service life under harsh conditions
below the ground.
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Guralp CMG-5T Accelerometers
The CMG-5T accelerometer is a three axis strong motion force
feedback accelerometer in a sealed case. The sensor system
is self-contained except for the power source. An internal
dc-dc converter ensures a completely isolated sensor system
and allows the system to operate from 10 to 36 Volts. The
CMG-5T sensor system has an extremely large dynamic range.
Full-scale low-gain sensitivity is user-adjustable from 2.0
g down to 0.1 g with an external resistor on each axis. The
standard frequency pass band is flat to acceleration from
dc to 100 Hz. Other low pass corners from 50 Hz to 100 Hz
can be ordered. A high frequency option provides flat acceleration
from dc to 200 Hz. CMG-5TB is the borehole version of this
sensor.
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GeoSIG VE-1x Series Velocity Sensors
The VE-1x series velocity sensors are based on a symmetrical
rotating dual coil construction minimizing the force on the
spring arms. The use of precious metals ensure optimum electrical
contact and longer operating life. These velocity sensors
operate from a wide range of input voltages and can be used
for a variety of civil engineering and general vibration measurement
applications. The sealed cast aluminum housing contains a
MS style connector or a sealed cable inlet. The housing also
incorporates a single bolt mount with three leveling screws.
The sensors are further equipped with an impulse test circuit.
VE-1x series are offered in two different uniaxial (VE-11H
& 11V) as well as biaxial (VE-12) and triaxial (VE-13)
configurations. With a frequency response of 1 to 315 Hz,
the scale ranges from ±1 mm/s, ±10 mm/s and
±100 mm/s. Borehole version of these sensors are also
available.
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GeoSIG VE-2x Series Velocity Sensors
The VE-2x series velocity sensors are similar toVE-1x series.
However, in 2x series the frequency response is between 4.5
to 315 Hz and the scale ranges from ±10 mm/s, ±50
mm/s and ±100 mm/s. These velocity sensors are offered
in two different uniaxial (VE-21H & 21V) as well as biaxial
(VE-22) and triaxial (VE-23) configurations.
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GeoSIG VE-3x Series Velocity Sensors
The VE-3x series cost effective velocity sensor has a frequency
response between 4.5 to 315 Hz with a sensitivity of G = 27.3
Vs/m. The VE-31-H is the uniaxial horizontal, the VE-31-V
uniaxial vertical, VE-32 biaxial and the VE-33 is the triaxial
version.
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