Investor Presentaiton

Borehole Seismic Data Acquisition System Borehole Three Compinent MEMS tool BH1001 The Borchole 3D-MEMS seismomeer is applicable to the micro-earthquake monitoring in the borbole. The MEMS is useful for the breadbard monitoring. MEMS Specifications Frequency Fall scale: Sensitivity: Noise Level Operation Temp: Current Dynamic Range: DC to 1,000Hz 30 1.2V/G 300 to 500 G/√He 40 to 125 C 11.6mA 12018 Analog Input Input ch: Range: Impedance: Differential 3ch +0.625V, ±2.5V, ±5V Differential 2MQ, In-phase IM Sampling Frequency: 100Hz/200Hz Resolution: 24bit Dynamic Range: > 125dB (100Hz) JAFAN Control unit Data Recorder Depth Display Borehole 3D-MEMS Seismometer

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