Sara Velbox
VELBOX is a compact, high-resolution seismograph with an integrated sensor and recorder unit.
Based on Sara’s reliable and proven SL06 model, it includes a triaxial seismometer that enables efficient and rapid deployment in the field. It becomes operational within seconds after being powered on.
Different types of sensors can be selected, ranging from cost-effective 4.5 Hz geophones to high-resolution 0.1 Hz sensors.
Product Brochure
Velocity Sensor (Velocimeter):
- Sensors: 0.1Hz; 0.2Hz; 0.5Hz; 1.0Hz; 2.0Hz; 4.5Hz
- Sensitivity: 400V/m/s
- Dynamic range: > 140dB
Seismic Digitizer:
- Number of channels: 3 (Hybrid: 6)
- ADC: 24-bit Delta-sigma
- Dynamic range: > 144 dB (24-bit); > 162 dB (32-bit)
- Configuration and device status monitoring via LCD screen
- Recording formats: GSEcm6, GSEint, SAC, SAF, miniSEED, SEG2
- Memory: Min 32 GByte USB Flash (expandable up to 8 TB)
- Data transfer via USB and Ethernet
- STA/LTA, Level, and Software triggering
- Time sync: GPS-disciplined clock +/- 10ppm
- < 1ms precision, "Coordinate, altitude, status information"
- NTP: Optional, software-selectable
- Noise level: < 10 µV RMS
- 10/100 Base-Ethernet, USB, Serial RS232
- RS232 Serial Input: Control and data transfer
