Digitisers
The Guralp Systems range of digitisers offer high-quality full 24-bit resolution, designed for data quality and durability. They are available with a range of input ports, memory and communication options
Model Range
DM24 – Standard 3 or 6 channel digitiser
DM24S3EAM – Authenticated 3 channel digitiser with acquisition module
DM24S6EAM – Authenticated 6 channel digitiser with acquisition module
DM24S3EAM – 3 channel digitiser with acquisition module
DM24S6EAM – 6 channel digitiser with acquisition module
DM24S9EAM – 9 channel digitiser with acquisition module
DM24S12EAM – 12 channel digitiser with acquisition module
DM24S24EAM – 24 channel digitiser with acquisition module
CD24S3 – Low cost 3 channel Disigitser
CD24S4- Low cost 4 channel Disigitser
CD24R6EAM – Rack mounted low latency 6 channel digiriser with acquisition module
Features
- From 3 to 24 low noise 24-bit ADCs
- Additional full-rate data channel for user signals and calibration
- Low power 32-bit DSP and ARM processor (<1 W recording 4 channels at 100 samples/s)
- Multiple concurrent data rates up to 1000 samples/s
- STA/LTA ratio, level, external and software triggering
- UTC timestamped data from attached GPS receiver
- 8 environmental channels with 20-bit resolution (3 × mass position, temperature, 4 × user)
- Full control of Guralp broadband seismometers
- Calibration using step, sinusoid or pseudo-random broadband noise signals
- Up to 256Gb Flash memory with fast FireWire data transfer (EAM models only)
- Fully configurable using Guralp data modules and software
Options
- 8 additional environmental channels
- Further full-rate channels available using daisy-chaining
- Ultra-low noise option at a small cost in power
- Borehole form factor
- Integrated module form factor can be retrofitted to existing sensors (3T to 3TD, 40T to 40TD)
- LCD state-of-health display
- FireWire interface for external storage devices
- USB memory stick interface (case lid can be closed with memory stick in place)
