Instrumentos

1. Instruments From Güralp
Rui Barbara
Sales Manager
AGU Conference

2. How this works?
Seismic
Sensors
Digitizer Data Centre
Station Communication

3. Instruments at Güralp ( Sensors & Digitizers )
Instruments
Digital
Analogue
Requires a Digitizer It has a Digitizer inside
Weak Motion
Medium Motion
Strong Motion
Weak Motion
Medium Motion
Strong Motion

4. Sensors Features
Fundamental Performance Features:
• Mass
• Sensitivity
• Self-Noise
• Dynamic Range
• Frequency Response
Other differences (operational features):
• Power Consumption
• Mass locking
• Temperature Range
• Tilt Range

5. Instruments at Güralp
Surface
Instruments
Posthole &
Borehole
Digitizers
Digital
Instruments

6. Instruments at Güralp
Weak Motion Strong Motion
0.01 Hz
0.1 Hz
1 Hz
10 Hz
100 Hz
1000 Hz
0.001 Hz
1000 s
100 s
10 s
1 s
0.1 s
0.01 s
0.001 s
Surface
waves
Body
waves
Microseismicity
Teleseismic
events
Regional
events
Local
events
Fortimus
Certimus
Fortis
3T
200 Hz
200 s
360 s
Medium Motion
3ESPC
/
40t
6T
3T
3ESPC
40T
6T
Certimus
Fortis
Fortimus

7. Weak Motion 3T-120/3T-360 ( Surface )
• 120s – 50Hz or 360s – 50 Hz
• Self noise below NLNM 166s – 10Hz
• 167dB dynamic range at 1Hz
• Sensitivity - 1500 V/msˉ¹ (2 x 750 V/msˉ¹)
• Stainless steel
• Local, regional and tele seismic monitoring
• National seismic networks
• Nuclear test ban treaty monitoring
• Earth tide observations

8. Weak Motion 3ESPC/3ESPCDE
• 60s – 100Hz
• Self noise below NLNM 30s – 60Hz
• >140dB dynamic range
• 2000 V/msˉ¹ (2 x 1000 V/msˉ¹)
• Low power consumption 0.75W
• Portable
• Local, Regional and National seismic networks
• Permanent volcano monitoring networks
• Rapid temporary deployments, e.g. aftershock
and volcanic unrest monitoring

9. Medium Motion 40T/ 40TDE
• 60s – 100Hz or 30s -100 Hz
• Sensitivity 2000V/m/s
• Dynamic range of 148dB
• Stainless steel
• 7.1kg
• Local and regional monitoring
• Volcano monitoring
• Micro seismic monitoring
• Passive seismic imaging
• Rapid temporary deployments, e.g. aftershock
and volcanic unrest monitoring
• Nakamura Method/Ambient Sound Noise

10. Medium Motion – 6T/6TD
• 30s – 100Hz
• Sensitivity 2400V/m/s
• Dynamic range 137dB
• Anodised Aluminium
• 2.49kg
• Volcanic unrest and aftershocks
• Induced seismicity monitoring e.g.
hydraulic fracturing
• Nakamura Method/Ambient Sound Noise

11. Strong Motion – Fortis
• Acceleration output(DC) - 100 Hz
• Remote gain switch options for 4g, 2g, 1g or 0.5g;
• Dynamic Range > 160 dB;
• Power consumption 1.5W
• Earthquake Early Warning systems
• Structural health monitoring (e.g. dams, industry,
buildings);
• Network Arrays;

12. Borehole & Sub-Surface Instruments at Güralp
Borehole Instruments
Posthole Instruments
• Deeper installations;
• Single or Three jaw hole locks;
• Advanced drilling equipment needed;
• Sub-surface installations;
• Simple drilling equipment

13. Posthole Instruments at Güralp
Weak Motion Medium Motion Strong Motion
0.01 Hz
0.1 Hz
1 Hz
10 Hz
100 Hz
1000 Hz
0.001 Hz
1000 s
100 s
10 s
1 s
0.1 s
0.01 s
0.001 s
Surface
waves
Body
waves
Microseismicity
Teleseismic
events
Regional
events
Local
events
RADIAN
3T
120
PH
200 Hz
200 s
360 s
3T-120
PH
Radian
Posthole
Fortis
Fortis

14. Borehole Instruments at Güralp
Weak Motion Medium Motion Strong Motion
0.01 Hz
0.1 Hz
1 Hz
10 Hz
100 Hz
1000 Hz
0.001 Hz
1000 s
100 s
10 s
1 s
0.1 s
0.01 s
0.001 s
Surface
waves
Body
waves
Microseismicity
Teleseismic
events
Regional
events
Local
events
RADIAN
3T/5TB
5TB
3TB
200 Hz
200 s
360 s
3TB
Radian
Borehole 5TB
Hybrid
3T/5TB

15. Postholes & Borehole Instruments
Fortis PH
3T Posthole Radian Posthole
3TB Radian Borehole 5TB

16. Minimus and Minimus+
• 4 or 8 channels
• 24 bits
• 1 sample per hour up to 5000 sps
• Dynamic Range: 136.5 dB @ 100 sps
• GüVü Bluetooth app for real-time SoH
and data visualisation
• 64GB dual redundant microSD card
storage
Minimus 134 * 99 * 45 mm 674 g
Minimus+ 134 * 139 * 45 mm 782 g

17. Minimus and Minimus+ - Communication

18. Data Acquisition Equipment at Güralp
Aquarius ( OBS )
Certimus
Fortimus

19. Strong Motion – Fortimus
• Acceleration Output (DC) - 315 Hz
• Variable gain options: ±4g, ±2g, ±1g or ±0.5g
• Dynamic Range > 165 dB
• Touch-sensitive LCD screen
• Integrated 24-bit Minimus digitizer
• Earthquake Early Warning systems
• Structural health monitoring (e.g. dams, industry, buildings)
• Networked arrays

20. Medium Motion – Certimus/Certimus (burial)
• 120s – 100Hz
• User selectable high pass frequency corner
• Sensitivity 2000 V/msˉ¹
• Dynamic Range 149 dB
• 90 degree tilt
• Ultra low power mode <300mW
• Screen removed ( on Certimus burial );
• Nakamura Method
• Local, regional and teleseismic monitoring
• Temporary deployment in challenging environments or remote areas
• Microseismic and induced seismicity monitoring in the hydrocarbon
market, e.g. fracture monitoring
• Geothermal energy production monitoring
• Permanent or rapid temporary deployment for volcanic unrest monitoring

21. Rui Barbara
Sales Manager
Address:
Güralp Systems Ltd.
3 Midas House, Calleva Park
Aldermaston, Reading
RG7 8EA
United Kingdom
Tel: 01189 819056
Email: sales@guralp.com