high sensitivity geophone
<1mm
1
1
0.75
600V/M/S
35000ohms
Less Than 0.2%
770g
6.0mm
65mm
107.00
1400g
Available
1 Year
SEIS TECH
Standard Export Carton
1Hz
China
9015800090
Product Description
Low Frequency Geophone 0.75Hz for Passive Seismic Survey with vertical direction geohpone (P wave) and horizontal direction geophone (S wave) are available, which are suitable for deep seismic exploration, engineering pulse measurement and other vibration analysis.
- Long travel version of the ST-0.75A geophone, with Max.coil excursion p-p 6.0mm.
- ST-0.75A Geophone with or without metal case are available.
- Single Vertical Geophone, Single Horizontal Geophone or Triaxial Geophone are optional.
- Widely used in passive seimsic survey, deep seismic exploration, engineering pulse meansurement, long time micro-seismic monitoring,etc.
- Rugged construction with precious-metal, rotating-coil contacts.
- High sensitivity of 600.0V/m/s.
- 1-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.
- Long travel version of the ST-0.75A geophone, with Max.coil excursion p-p 6.0mm.
- ST-0.75A Geophone with or without metal case are available.
- Single Vertical Geophone, Single Horizontal Geophone or Triaxial Geophone are optional.
- Widely used in passive seimsic survey, deep seismic exploration, engineering pulse meansurement, long time micro-seismic monitoring,etc.
- Rugged construction with precious-metal, rotating-coil contacts.
- High sensitivity of 600.0V/m/s.
- 1-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.
| Type | ST-0.75A |
| Natural frequency ( Hz ) | 0.75±10% |
| Damping | 0.32±10% |
| Sensitivity (80hz) (V/m/s) | 600±10% |
| DC Resistance (Ω) | 35000 ±10% |
| Distortion ( % ) | <=0.2 |
| Insulation Resistance (MΩ) | ≥50 |
| Moving Mass ( g ) | 770 |
| Max. coil excursion p-p (mm) | 6.0 |
| Element Diameter (mm) | 65.0 |
| Element Height (mm) | 107.0 |
| Element Weight (g) | 1400.0 |
| Operating Temperature(ºC) | -40ºC to + 90ºC |
| Working Direction | Vertical or Horizontal |
| All parameters specified herein are rated at a temperature 20ºC±2ºC. 1-year limited warranty exclusive of high voltage, lightening or physical abuse. | |
