Key Features

• Mono, Bi or Triaxial version available
• Dynamic range up to 165dB
• Programmable gain version available (without opening the unit)
• Bandwidth from DC to 100 or 200Hz
• Borehole version available
• Robust suspension system
• Slot at bottom for single bolt mounting
• Wall, floor, ceiling mount available upon request
• Low power consumption
• Response files are available through IRIS NRL library

Applications

• Observatory grade earthquake seismology
• Structure health monitoring
• Dam monitoring

Technical specifications

• Number of axes: 1, 2 or 3 in X, Y, Z or any combinations of the three
• Orientation: horizontal or vertical (wall mount) to be specified at order
• Levelling: manual, with adjusting knobs
• Casing: solid block of aluminum CNC milled and treated against corrosion
• Dimensions: 140x155x85mm; compact version 155x113x80mm (all excepts connectors)
• Weight 3d versions: <3.1 kg; compact version < 1.85kg
• Protection grade: IP68
• Tolerated humidity: 0-100%
• Temp. operative range:-20 to +70°C
• Bandwidth: standard DC-100Hz; optional 0-200Hz
• Damping: 0.7
• Inertial mass weight: 15 g
• Standard sensitivity: 5 V/g (2g at full scale)
• Output impedance: 100 ohm
• Full scale: +/- 2g (standard ) or 1g, 4g or programmable 0.5, 1, 2, 4g
• Output: +/-10V fully differential (50 ohm)
• Dynamic range: > 165dB (per bin from 0.1Hz to 20Hz with 1g full scale version)