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IGU-BD3C-5

物理指标


Channel

3

ADC resolution

24 bits

Sample interval

0.25,0.5,1,2,4,8,10,20 ms

Instrument Noise Floor

Whole frequency band lower than the NHNM curve,5s~1Hz lower than the NLNM curve

Operating temperature

-40℃ ~ +70℃

Waterproof

IP67

Physical Size

158mm x 160mm (w/o spike)

Weight

2.7kg (Including internal battery and spike)

Data Storage

32 GB (can be expanded to 64GB)

Operating Life@25℃

27 days Continuous

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

External Power Supply

7V~15V DC (single supply)

Bluetooth QC

Available

Data Harvesting 

USB 3.0

Charging Temperature Range

+3˚C ~ +40˚C


检波器指标


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

Frequency Bandwidth

0.2Hz~150Hz

Distortion

<0.1% @12Hz, (0° ~ 10°) tilt,(0°~3°) horizontal tilt

Sensitivity

200V/m/s (5.08 V/in/s)



通道指标

(@ 2ms 采样率, 31.25 Hz, 25°C,无特殊说明时)


(@ 2ms sample interval, 31.25 Hz, 25°C, unless otherwise indicated)

Maximum Input Signal

±2.5Vpeak @ Gain 0dB

Dynamic Range

120dB@ Gain 0dB 

Common Mode Rejection

>100dB

Gain Accuracy

< 0.5%

GPS Time Standard

1 ppm

Timing Accuracy

± 10µs, GPS Disciplined

Cross Feed

< -110dB

Inter-channel Phase Offset

<0.1ms

Transverse Vibration Rejection

Better than 0.1%

Inter-channel Amplitude Coherence

5%