IAU-19 is a new generation geophysical data acquisition node of wireless QC functionality which can connect with external land and marsh geophone or hydrophone. It enables real-time signal check with field deployment tool or mobile phone including parameters, battery voltage, temperature, remaining data storage, GPS position and quality, connected sensor status etc. 

Key Features:

• Wireless QC (ambient noise and real-time signal check)
• 8GB internal memory (expandable to 16GB)
• Built-in rechargeable battery of large capacity
• External sensor leakage test capability
• Connectable land geophone or marsh geophone/hydrophone
• High-speed data download

General Specification

• Seismic data channel(s) :  1
• ADC Resolution  : 24 bits
• Sample Intervals : 0.25, 0.5, 1, 2, 4 milliseconds
• 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

Physical Specification

• Physical Size :  132mm(L)×97mm(W)×50mm(H) (Without external DCK plug)
• Weight : 0.8 kg
• Operating temperature :  -40℃ ~ +70℃
• Waterproof :  IP68

Channel Performance

 ( 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 

Shipping Information:

• FOB Port:Shenzhen
• Lead Time:30 - 90 days
• HTS Code:9015.90.00 90
• Dimensions per Unit:10.3 × 9.5 × 17.8 Centimeters
• Weight per Unit:0.8 Kilograms
• Units per Export Carton:10
• Export Carton Dimensions L/W/H:60 × 40 × 35 Centimeters
• Export Carton Weight:8 Kilograms