DAQlink 4 Seismograph, available for rent from the seismic experts

Enquire Now Fast delivery anywhere in the world, direct from the experts. +44 1502 714822

The DAQlink 4 seismograph can be used as a standalone monitoring system, a conventional refraction / reflection system, or a distributed seismic reflection system.

As well as the DAQlink 4 seismograph, we also have Geode Ultra-Light Exploration Seismographs available for hire.

Key Data for DAQlink 4 Seismograph

Electrical
A/D	24bit sigma delta convertor
Anti-alias filters	85% of Nyquist frequency
Low cut filter	User Selectable: 0.001 to 120Hz
Filter types	Linear phase
Sample rates	125 to 64,000sps
Preamp gain	x1 (0dB) and x16 (24dB)
Max input voltage	+/-3.7V at x1 gain
Bandwidth	DC to 20kHz
Input impedance	100K ohms
Clock sync	GPS or VHF Radio
Power supply	10 to 28V DC
Power usage	Typically 0.13W per channel
Performance at 500sps
Trigger Accuracy	+/-1μs
Dynamic range	better then 124dB
%THD	0.00008%
Crosstalk	Better than -125dB
CMRR	Better than -100dB
Noise floor	<0.2μV RMS at 500sps
Physical
Number of channels	24
Temperature	-40°C to +85°C
Humidity	0 to 100%
Size	279 x 246 x 40mm
Weight	2kg
Data Format	SEG-2, SEG-D, SEG-Y, ASCII and MiniSEED

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Key Data for DAQlink 4 Seismograph