High performance, low noise, compact, broadband accelerometers
The Guralp Systems CMG-5 range of accelerometers are compact triaxial, force-feedback instruments with a large dynamic range suitable for rapid deployment. The instruments can be supplied with built in digitisers, acquisition modules and ac range of storage and communications options.
Model range
5T – Standard accelerometer – Datasheet 
5TD – Digital accelerometer – Datasheet
5TDE – Digital accelerometer with acquisition module – Datasheet
5TC – Compact accelerometer – Datasheet
5TCDE – Compact digital accelerometer with acquisition module – Datasheet
5U – Single axis accelerometer – Datasheet
5TB – Borehole accelerometer – Datasheet
Key features / Benefits
- Force feedback broadband instrument
- Lifting handle and all connectors on the top of the instrument.
- Waterproof and durable with O-ring seals throughout
- Simple installation with a single fixing bolt
- Digital output and communication versions available
Typical applications
- Structural health monitoring
- Earthquake early warning
- Geotechnical engineering
- Micronization
- Measuring ground response to strong shaking
- Monitoring slope behaviour
- Perimeter monitoring
Example customers
- Early Warning Network Turkey (150 units)
- Italian Strong Motion Network (Dipartimento di Scienze Fisiche) (39 units)
Specifications
SYSTEM
Configuration / Topology: Triaxial orthogonal
Feedback: Force feedback.
PERFORMANCE
Response: Full-scale sensitivity from 0.1 to 4.0 g, DC – 100Hz (Other options available)
Output sensitivity / Clip Level: 4 g, 2 g, 1 g, 0.5 g or 0.1 g (Other options available)
Peak / Full scale output: ±10 V differential
Cross axis rejection: 0.001 g/g
Linearity: 0.1 % full scale
Lowest spurious resonance: >450Hz
Self-noise: TBC
Dynamic range: >165dB, >140dB for 0.005 – 0.05Hz, >127dB for 3 – 30Hz
CALIBRATION
Type: Pulse, sine wave and broadband
Calibration controls: Independent signal & enable lines exposed on sensor connector
MASS / MASS MONITORING
Locking: TBC
Mass position output band: TBC
Mass recentring range: TBC
POWER
Power consumption: 0.108W
Power supply: 10 – 36V DC
Optional low power sensor: TBC
Protection: TBC
Current at 12VDC: TBC
ENVIRONMENTAL
Operating temperature: -20 to +70°C
Operating Temperature sensitivity: TBC
Storage Temperature: TBC
Instrument Levelling: No sensor levelling required
Case integrity: IP67 for outdoor use and immersion resistance
Shock: TBC
Humidity: TBC
Auto recovery time: TBC
Alignment: TBC
CONTROL
Mass control / locking: Remote offset zeroing
Offset zeroing: TBC
PHYSICAL
Dimensions: Ø176mm x 97mm
Enclosure: Hard anodized aluminium case. Mil-spec connectors
Weight: 2.7 kg
Handling: TBC
Communication / Connectors: Mil-spec connectors
ACCESSORIES
TBC