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YF-GLMD-10
YF-GLMD-10
High precision, low distortion geophone
2-D and 3-D seismic application
Suitable for land, transition zone, marsh and shallow water environments with different cases
1 yesrs limited warranty
2-D and 3-D seismic application
Suitable for land, transition zone, marsh and shallow water environments with different cases
1 yesrs limited warranty
| Specifications (all parameters are specified at +25℃) | ||
| Frequency | ||
| Natural Frequency（fn) | 10 Hz | |
| Tolerance | ±3.5% | |
| Typical Spurious Frequency | ≥240 Hz | |
| Distortion | ||
| Distortion (with 0.7 in/s p.p. coil to case velocity) | <0.1% | |
| Distortion Measurement Frequency | 12Hz | |
| Max. Tilt Angle for Specified | 10° | |
| Damping | ||
| Typical Open Circuit Damping | 0.48-0.54 | |
| Damping with 20000 ohm Calibration-shunt Resistance | 0.7 | |
| Tolerance | ±7.5% | |
| Coil Resistance | ||
| Standard | 1800 ohm | |
| Tolerance | ±3.5% | |
| Sensitivity | ||
| Sensitivity without Shunt Resistor | 85.8V/m/s (2.18V/in/s) | |
| Tolerance | ±3.5% | |
| Physical Characteristics | ||
| Moving Mass | 14g (0.494oz) | |
| Maximum Coil Excursion p.p | 3.5mm (0.138in) | |
| Diameter | 27mm (1.06in) | |
| Height | 43.5mm (1.71in) | |
| Weight | 125g 4.42oz) | |
| Opening Temperature Range | -40℃to +90℃ |
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YF-GLMD-5
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