IAU-19 External Seismic Acquisition Node
Seismic data channel(s) : 1
ADC resolution : 32 bits
Sample intervals : 0.25, 0.5, 1, 2, 4 ms
Preamplifier gain : 0dB to 36 dB
Anti-alias filter : 206.5 Hz 2ms (82.6% of Nyquist)
Selectable - Linear Phase or Minimum Phase
DC blocking filter : 1Hz to 10Hz,1Hz increments or DC Removed
Data Storage : 16GB internal memory
Operating Life 25℃: 25 days Continuous
50 days Segmented (12hours ON/12hours SLEEP)
Recharge Time: < 3 hours
Charging Temperature Range: +3℃ ~ +40℃
Wireless QC : Recording parameters, battery voltage, temperature, remaining data storage, GPS position and quality, connected sensor status
IAU-19 External Seismic Acquisition Node
Physical Size : 132mm(L)×97mm(W)×50mm(H) (Without external DCK plug)
Weight : 0.8 kg
Operating temperature : -40℃ ~ +70℃
Waterproof : IP68
IAU-19 External Seismic Acquisition Node
( 2ms sample interval, 31.25 Hz, 25°C, unless otherwise indicated)
Maximum Input Signal: ±2.5Vpeak Gain 0dB
Dynamic Range : 125dB 2ms Gain 0dB
Equivalent Input Noise : 0.18µV 2ms Gain 18dB
Total Harmonic Distortion : < 0.0002% Gain 0dB
Common Mode Rejection : ≥100dB
Gain Accuracy: < 0.5%
GPS Time Standard : 1 ppm
Timing Accuracy : ± 10µs, GPS Disciplined