Click here for the VE-53 sensor response files in the IRIS NRL library

• General Characteristics

•  

  Configurations:	Triaxial	Biaxial	Uniaxial	Axes	Alignment**
  VE-53(-BB)	X			X – Y – Z	H – H – V
  VE-52(-BB)-H		X		X – Y	H – H
  VE-52(-BB)-HV		X		X (or Y) – Z	H – V
  VE-51(-BB)-H			X	X (or Y)	H
  VE-51(-BB)-V			X	Z	V

• ** H: Horizontal, V: Vertical
• Sensitivity:
• 1000 V/m/s differential ( 2 x 500 V/m/s )
• Full Scale Range
• 20 mm/s (± 10 mm/s) nominal output

• Sensor Element

• Instrument Type:
• Over damped geophones
• Dynamic Range:
• > 125 dB (1 to 15 Hz)
  > 120 dB (1 to 30 Hz)
• Linearity:
• ± 0.05 % of full scale maximum
• Cross Axis Sensitivity:
• ± 1 % typical
  ± 3 % maximum
• Bandwidth:
• 1 to 80 Hz (-3 dB)
  8.0 s (0.125 Hz) to 160 Hz (BB version)
  flat response within -3 dB crossing points
• Damping
• 0.7 critical
• Full Scale Output:
• 0 ± 10 V differential
  optional 0 ± 5 V pseudo-differential
• Measuring Range (see plot):
• > M1 (Local - 10 Km) and
  > M1.5 (Regional -100 Km)
• 

• Power

• Power supply voltage:
• 9 to 18 VDC
• Power Consumption:
• 49 mA typical, 88 mA max @ 15 VDC
• Overvoltage Protection:
• All pins are protected

• Testing

• Test input:
• Activated by applying a 12 VDC voltage
  to generate an output of a pulse with an
  amplitude of 50% of the full scale

• Environment/Housing

• Housing Type:
• Cast aluminium
  Sealed access cover
  optional: stainless steel or ex-proof
• Housing Size:
• 195 x 112 x 95 mm
• Weight:
• 2.5 kg
• Index of Protection:
• IP 65
  Optional IP 68
• Temperature Range:
• -20 to 70 °C (operating)
  -30 to 80 °C (non-operating)
• Humidity:
• 0 to 100 % (non-condensing)
• Orientation:
• Floor mount
  optional Wall mount
  See separate document (GS_Sensor_Orientation)
• Mounting
• Single bolt, surface mount, adjustable within ± 10°
• 

• Standard VE-5x

• Floor mounted, 2 m cable with cable inlet and concrete anchor, includes recorder mating connector if delivered with a GeoSIG recorder.

• Ordering Information

• Please specify applicable options

• * See separate datasheet for DH sensor. The BB version is not available as downhole version.

  **Specifications subject to change without notice

• Sensitivity   1000 V/m/s differential
• Bandwidth   1.1 s (0.9 Hz) to 89 Hz
                        8.0 s (0.125 Hz) to 160 Hz (BB version)
• Dynamic Range    > 125 dB (0.9 - 15 Hz)
                                  > 120 dB (0.9 - 30 Hz)
• Robust mechanical design
• Excellent temperature and aging stability
• Low power consumption
• Easy testing, low maintenance
• Downhole version (VE-5x-DH) is also available