The SE2404NTN series seismic data acquisition system is a portable wired telemetry seismic data acquisition system. This system uses advanced networking technology for distributed real-time data acquisition and display. The Printer and tape drives (optional): PC compatible USB printer and tape drive Control software: Monitoring system Seismic data acquisition, data quality control Real-time noise monitoring, data display and recording RSU-2 Data Acquisition Unit Technical Specifications A/D Converter: Δ Σ24 bit Localisation: automatic self-localisation Data filtering: linear filter Number of channels: 12 Sampling frequency: 0.025 - 10 ms (selectable) Longest length: 31 kB/channel Frequency response range: 1 - 1500 Hz Cross-channel suppression: < -100 dB Dynamic range: 120 dB Harmonic distortion: -114 dB Largest input signal: 1.6 V RMS Noise level: < 1 UV RMS Power usage: 2.5 W / unit Operating temperature: -40 to 80 degrees C Storage temperature: -40 to 70 degrees C Weight: 1.6 kg Size: 200 X 90 X 180 mm Power source: built-in lithium battery, 18 hours battery life BOMTEX 2 Remote Detonator Technical Specifications Remote control distance: 2 km (open ground) Frequency range: 433 - 435 MHz / 1 W / 8 channels Timing GPS (optional): 15 meter positional accuracy, 0.5 microsecond timing accuracy Detonation voltage: 500 V Detonation interval: 20 s Trigger error: < 100 microseconds Trigger error calibration: TB Channel Battery life on standby mode: 36 hours Operating temperature: -40 to 80 degrees C Protecting