McSEIS-PS & Borehole Pick

Geological survey20230403

Resource development20230403

The McSEIS-PS is designed mainly for the measurement of downhole PS well logging in combination with a Borehole Pick (Model-3315). When used with our special programs, it is possible to carry out its data analysis easily on a commercial laptop PC.

The Borehole Pick is used to measure the P wave and S wave velocities of the ground. It contains a 3-component geophone in which one component is for vertical and two components are for horizontal direction, and can be used even in a relatively small borehole (e.g. φ 56 mm) because of its compact design.

Features

Compact, lightweight and low-power consumption design
Splash-proof case
McSEIS-PS can be used as an 8ch seismograph as well
Its control software can be used on a commercial laptop computer (Windows : Ethernet is required)
Special program, SeisImager / DH, is available for the analysis of data

Specification

McSEIS-PS

Number of channels	8ch
Number of input	3ch input (Hx, Hy, Vz) by OYO Borehole Pick or max. 8ch input by standard seismic take-out cable
Input Impedance	20kΩ, 0.02μF
Preamp Gain	24dB or 36dB
Bandwidth	1.75Hz - 20KHz
A / D Resolution	24bits
Sampling Interval	0.0625, 0.125, 0.25, 0.5, 1.0, 2.0 msec
Data Format	SEG2
Power Requirement	12VDC (external battery)
Operating Temperature	-30 to +70˚C
Dimensions	(W) 254 x (D) 305 x (H) 177mm
Weight	3.6kg

Borehole Pick

Vertical & Horizontal geophone	Natural frequency	28Hz
	Sensivity	104mV / cm / s
	Impedance	215Ω
Operating temperature		0 - 40˚C
Material (Mainflame & Weight)		SUS 304
Dimentions	Length (Total length)	303mm
Dimentions	Outer dia.	43mm
Weight (Total)		14kg (100m Cable 12kg + Mainframe 2kg)

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