GEOthree Low Power Digitizer/Recorder

GEObit introduces the GEOthree series high resolution 3+1 analog seismic channels telemetry digitizer/recorder. The size of the instrument is only 168 X 106 X 68 mm. The power consumption is only 0.9 W for three channels. The available sampling rate is 100 to 1000 SPS, and optional lower sampling rates are supported. A built-in GPS receiver combined with an ultra-accurate DPLL unit, providing time drift 10e-9 sec, ensures timing stability even without a GPS signal. NTP timing is also available. The unit is very flexible and accepts several types of analog front-end units, so any type of seismic sensor can be connected. Additionally, it provides eight extra-low resolution and rate analog inputs for seismometer mass position monitoring or any other environmental parameter monitoring. Eight TTL command outputs are supported for seismometer control or any other external device control. Typically the digitizer supports a differential variable gain preamplifier. Our force balance sensor front end is also supported, providing a wideband response (10 sec – 98 Hz) and high sensitivity 1500 V/m/s by connecting a C100 sensor. Acquisition parameters and operation modes can be set from the user–friendly web interface.