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IGU-16HR 3C

总体指标


Seismic data channel(s)

3

ADC resolution

24 bits

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 Removed

Operating temperature 

-40℃ ~ +70℃

Waterproof

IP67

Data Storage

32 GB (can be expanded to 64GB) 

Recharge Time

< 3.25 hours

Charging Temperature Range

+3˚C ~ +40˚C

Physical Size

w/High Capacity Battery Pack

w/Standard Battery Pack


103mm (L) × 95mm (W) ×187mm (H) (w/o spike)

103mm (L) × 95mm (W) ×150mm (H) (w/o spike)

Weight

2.4kg (Including internal battery and spike)

1.7kg (Including internal battery and spike)

Operating Life@25℃

30 days Continuous

60 days Segmented (12hours ON/12hours SLEEP)

15 days Continuous

30 days Segmented (12hours ON/12hours SLEEP)





检波器指标


All parameters are specified at +25℃ in the vertical position for vertical geophone and horizontal position for horizontal geophone unless otherwise stated.

Natural Frequency   

10Hz

Spurious Frequency    

>240Hz

Distortion

<0.1%@12Hz, (0° ~ 10°) V tilt. <0.15%, (0°~3°) H tilt

Damping  

 0.7

Sensitivity     

78.7V/m/s (2.0 V/in/s)


检波器指标



All parameters are specified at +22℃in the vertical position for vertical geophone and horizontal position for horizontal geophone unless otherwise stated.

Natural Frequency

5Hz

Spurious Frequency

>170Hz (>150Hz in horizontal sensor)

Distortion

<0.1%@12Hz, (0° ~ 10°)V tilt. <0.15%, (0°~3°) H tilt

Damping

0.7

Sensitivity

76.7V/m/s (1.95 V/in/s)

        

通道指标

@ 2ms 采样率, 31.25 Hz, 25°C, 无特殊说明时


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 

1ppm

Timing Accuracy

±10µs, GPS Disciplined

Cross Feed   

< -110dB