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IGU-16

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Physical Specifications

IGU-16/HR Seismic Sensor

Physical Size:  95mm(L) x 103mm(W) x 118mm(H)(w/o spike)

Weight:  1.1kg (Including internal battery and spike)

Waterproof:  IP67

Operating temperature:  -40℃ ~ +70℃

Battery:  38.48Wh

Operating Life@25°C:  25 days @1ms Continuous / 50 days Segmented(12hours ON/12hours SLEEP)

Sensor Specifications

DT-SOLO 5Hz

Natural Frequency:  5Hz

Coil Resistance: 1850Ω

Damping:  

Open Circuit Damping: 0.6

Damping with 43Ω: 0.7

Sensitivity:  

Open Circuit Intrinsic Voltage Sensitivity: 80V/m/s (2.03V/in/s)

Distortion:  <0.1%

Remark:  All parameters are specified at +22℃in the vertical position unless otherwise stated.

Sensor Specisfications

DT-SOLO 10Hz

Natural Frequency:  10Hz

Coil Resistance: 1800Ω

Damping:  

Open Circuit Damping: 0.51

Damping with 43Ω: 0.7

Sensitivity:  

Open Circuit Intrinsic Voltage Sensitivity: 85.8V/m/s (2.18V/in/s)

Distortion:  <0.1%

Remark:  All parameters are specified at +25℃ in the vertical position unless otherwise stated.


Channel Performance

IGU-16 Seismic Sensor

( 1ms sample interval, 31.25 HZ, 25°C unless otherwise indicated)

ADC Resolution: 32bits

Sample Intervals: 1,2,4 ms

Preamplifier Gain: 0dB to 24 dB in 6 dB steps

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 Removal

GPS Time Standard: 1ppm

Timing Accuracy: ±10μs, GPS disciplined

Maximum Input Signal: 2.5Vpeak Gain 0dB

Equivalent Input Noise: 0.71 μV 2ms Gain 12dB (Typical)

Instantanteous Dynamic Range: 116dB 2ms Gain 0dB

Total Harmonic Distortion: <0.0005%

Common Mode Rejection: ≥100dB

Gain Accuracy: <1%

System Dynamic Range: 140dB

Frequency Response: 0~413Hz

Channel Performance

IGU-16HR Seismic Sensor

( 1ms sample interval, 31.25 HZ, 25°C unless otherwise indicated)

ADC Resolution: 32bits

Sample Intervals: 0.25, 0.5, 1,2,4 ms

Preamplifier Gain: 0dB to 36 dB in 6 dB steps

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 Removal

GPS Time Standard: 1ppm

Timing Accuracy: ±10μs, GPS disciplined

Maximum Input Signal: 2.5Vpeak @ Gain 0dB

Equivalent Input Noise: 0.18 μV 2ms Gain 18dB (Typical)

Instantanteous Dynamic Range: 125dB 2ms Gain18 dB

Total Harmonic Distortion: <0.0002% @ Gain 0dB

Common Mode Rejection: >100dB

Gain Accuracy: <0.5%

System Dynamic Range: 145dB

Frequency Response: 0~1652Hz