Marks Products L-40A-2 100 Hz Geophones SC-0314-1 Free_Shipping Sold as a lot of

Sold as a lot of two

particularly for Inmarsat and Thuraya networks

1pc  - Cuved Lens - Unknown Make - 25mm x 50mm

Type: D1CA series controller

including:

Marks Products L-40A-2 100 Hz Geophones SC-0314-1 Free_Shipping Sold as a lot ofMarks 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