High Sensitivity Geophone 4.5Hz,Vertical / Horizontal
High Sensitivity Geophone 4.5Hz (EG-4.5-HS) is used to receive the weak deep and low frequency signal. This kind of geophone has following characters: Low frequency, Low distortion and high sensitivity. It’s suitable for field single point data acquisition.
|Nature Frequency Hz||4.5Hz ±17%|
|Distortion||≤0.2%(@12Hz&0.7 in/s peak-peak coil-to-case velocity)|
|Opening Circuit Damping||0.3±20%|
|Damping with 20KΩ shunt resistor||0.596±20%|
|Coil resistance||2000 Ω±5%|
|Resistance with 20KΩ shunt resistor||1818 Ω±5%|
|Sensitivity @59.6% damping||81.8V/m/s±10%|
|Moving Mass g||22g|
|Coil travel (mm)||3mm|
|Operating Temperature Range||-40℃～+80℃|
|Limited Warranty Period||1 year|
All parameters specified here in are rated at a temperature 20℃±2℃ .
|Tel :||0086 29 81102904|