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Suspension PS Logger

Data Logger for Suspension PS Logging

The Suspension PS Logger System is designed to measure the velocities of P and S waves that propagate through formation by means of an indirect excitation source and a pair of non-clamping geophones & hydrophones built into one downhole tool suspended in borehole.
This system is the best suitable for the exploration in a deep hole or at offshore where the plate hammering method is not effectively applied.

● Resistivity meter with borehole logging function

● 24 bit Delta-Sigma A/D converter

● High resolution thermal printer

● Floppy Disk storage 720KB/ 1.2MB/ 1.44MB

● High transmitting voltage 400V

● Light weight 8kg

■	Data Acquisition

	Number of channels Input impedance Gain Frequency response A/D resolution Sampling rate Data length Trigger delay	：2 ：600 ohms ：12, 24, 36, 48dB ：60 - 10KHz ：16 bit ：2.5, 5, 10, 20, 50, 100, 200μsec ：1024, 2048 words ：0 - 9msec

■	System Control

	Measuring mode Stacking Driving voltage of solenoid Depth indication	：manual, semi-auto and automatic ：1 - 9 (selectable) ：300V ：-99.9 to 999.9m (displayed on LCD)

■	System

	CPU Display Mass storage Hard disk Floppy disk Interface Power requirement Operating temperature Physical Dimensions Weight	：486DX4 (PC/AT compatible) ：640 x 480 dots, 10.4 inch LCD VGA ：2.0GB (512 data files) ：720KB, 1.44MB (MS-DOS format) (3.5 inch) ：Parallel I/F for the external printer ：12VDC (10.5 - 14V), 1A (standby), 4.0A (max.) ：0 - 45℃ ：330(W) x 280(D) x 220(H)mm ：8kg

■	G-log-SUS/w ( Data Processing software )

	G-log-SUS/w is a data processing software for suspension P-S Logging. Analytic work such a decision of P&S wave velocity and a plotting to the printer can be done efficiently.

		（207KB）		（It is not.）

System diagram	Printer


	E-mail ：seihin@oyo.jp