Data Sheet

Seismograph
Parameter
Value
Type
Single-component 4.5 Hz 395 Ohm vertical Racotech
RGI-20DX geophone with electronic extension to lower
frequencies (<1 Hz)
Samples per second
V6: 100 sps
V5 / V4: 50 sps
Earthquake Early Warning (EEW) compatible*
V6: data packets shipped across serial port at a rate of 4 packets/ second (250 ms/ packet)
V5/ V4: data packets shipped across serial port at a rate of 1 packet/ second (1000 ms/ packet)
Bandwidth (estimated)
V6: -3dB points at 0.8 to 29 Hz
V5/V4: -3dB points at 0.8 to 23 Hz
Poles (estimated)
V6: -4.88+/-3.06E+02, -2.22+/-1.18E+02, -3.33+/-1.98E+02
V5/V4: -4.21, -2.33, -1.30
Zeros (estimated)
V6: -4.51+/-3.08E+02, 0, 0
V5/V4: -6.75, 0, 0, 0
Sensitivity (estimated)
V6: 3.81E+08 counts/ meter/ second +/- 10% precision
V5/V4: 4.69E+08 counts/ meter/ second +/- 10% precision
Clip Level (estimated)
+/- 8,388,608 counts (24-bits)
V6: 22 mm/s peak-to-peak from 0.1 to 10 Hz