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designed for use with precision interferometry systems
Size: 7 mm diameter x 115 mm length
possibly from an NSR repeat scanning system
backlit screen
Marks Products L-40A-2 100 Hz Geophones SC-0314-1 20763 If you have any questionsMarks L 40A 2 geophones (SC 0314 1) designed for seismic data acquisition, vibration monitoring, and geotechnical field surveys. Operate at a 100 Hz natural frequency, ideal for high resolution ground motion detection in shallow applications. Brand: Marks Products, Inc. Model: L 40A 2 Part Number: SC 0314 1 Frequency: 100 Hz Quantity: 1 Used items in fair cosmetic condition with visible signs of wear. Untested in the field of use. All photos are of
