Sercel FDU-428 Field Digitizer Units Without Cable for 428XL
- High-quality data acquisition: 24-bit A/D conversion for accurate recording of seismic signals
- Reliable data transmission: data transmission with CRC control
- Flexible sampling: sample rates of 4, 2, 1, 0.5 and 0.25 ms
- Low crosstalk: above 130 dB
- True synchronous system: all units share the same time standard
- Supplied without cable: choose and combine the units with your own cable setup
- Full 428XL compatibility: works with Sercel 428XL line equipment
- Cost-effective expansion: add channels to your crew without buying a new system
| Category | Land Equipment |
| Brand | Sercel |
| Location | Jebel Ali – Dubai - UAE |
| Price | On request |
What Is the Sercel FDU-428?
The Sercel FDU-428 is a field digitizer unit used in the Sercel 428XL system, one of the most widely used land seismic acquisition platforms. The FDU converts analog signals from geophones into high-resolution digital data and sends them along the line to the central recording system. Its proven design, durability and compatibility with existing 428XL equipment make it a popular choice for new and expanding crews.
Technical Specifications
| Equipment | Sercel FDU-428 (Field Digitizer Unit) |
| Cable | not included (units supplied without cable) |
| System compatibility | Sercel 428XL |
| A/D conversion | 24 bits |
| Data transmission | with CRC control |
| Sample rates | 4, 2, 1, 0.5, 0.25 ms |
| Input impedance, differential mode | 20 kΩ // 77 nF |
| Input impedance, common mode | 105 kΩ |
| Full scale input level at G1600 | 1.6 V RMS |
| Full scale input level at G400 | 400 mV RMS |
| Offset | 0 (digitally zeroed) |
| Crosstalk | above 130 dB |
| Low-cut filter | none |
| High-cut filter | 0.8 FN (linear or minimum phase) |
| Stop band attenuation | above 120 dB (above Nyquist) |
| Time standard | true synchronous system |
| Quantity in stock | 1350 |
Condition and Testing
Every Sercel FDU-428 we sell undergoes full inspection. Available option: Used. Before shipment, all units are checked and pass a complete inspection. Test reports are available on request.
Why Buy Sercel FDU-428 from Us?
- 1350 units in stock, enough for full crew sets
- Technical support from specialists who know seismic acquisition systems
- Flexible quantities, from a single unit to large orders
- Secure packaging and international delivery
- Competitive pricing and transparent terms
Related Sercel 428XL Equipment
We also supply Sercel 428 FDU on ST cable, Sercel 428 FDU on WPSR cable, LAUX-428, LAUL-428, LCI-428, TREP-428, TMS-428, Transverse cables, CX-508, WTU-508 and other components for Sercel seismic systems. Contact us to put together a complete package for your crew.
Request a Quote
Need Sercel FDU-428 units for your next project? Contact us today with your required quantity and delivery location, and we will send you a quote within 24 hours.
Frequently Asked Questions
Is the Sercel FDU-428 compatible with the 428XL system?
Is cable included?
What is the A/D conversion resolution?
What sample rates are supported?
How many units do you have in stock?
Do you offer tested units?
Do you ship internationally?
More in Land Equipment
Need a quote or a full spread?
Send the list of equipment you need. We reply with prices and availability.
Fill in the form: equipment, quantity and destination. We will send you prices and availability.