Generation in Data Acquisition

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2 NEXT Generation in Data Acquisition Finally, a portable instrument that is truly compact and self-contained. Regardless of the application, you will appreciate how little equipment you will actually need to carry to the field. No laptop, PDA or breakout box, just a seismometer, cable, Taurus and battery. A complete seismograph you can hold in your hand The Taurus Digital Seismograph is a revolution in performance, capability and packaging in field portable seismographs. This small and lightweight hand-held instrument can directly interface with almost any sensor, record continuous data for over 800 days, and operate using a mere 750 mw. Taurus combines all the attributes of a stand-alone recorder with the benefits of Internet and wireless communication capabilities, and includes a high resolution 24-bit ADC, a precision GPS clock, and internal removable storage options with 1 to 40 Gbyte capacities. An integrated colour graphics display and a five-button keypad provide instant access to real-time or recorded data. Applications Broadband seismic studies Emergency networks Aftershock studies Strong motion studies Seismic networking over the Internet Controlled source recording Vibration monitoring Infrasound data acquisition Local site data storage in Libra networks Benefits Excellent quality data with 24-bit resolution and precise GPS timing Hand-held,all-in-one seismograph Long term deployments with over 800 day recording capacity Quick and convenient data retrieval using internal hot-swap media Real-time data streaming for network applications Real-time,historic and calibration data review at-a-glance Data output directly in industry-standard formats

3 TAURUS: Class-leading dyna A high dynamic range is essential in modern broadband data acquisition. Taurus is well-equipped with a Nanometrics proprietary sigma-delta digitiser providing 24-bits of resolution and a dynamic range of 138 db. Sampling is simultaneous on all channels and timing accuracy is sub millisecond with the GPS locked. (ACTUAL SIZE) Quick and convenient data retrieval using internal hot swap storage media Compact Flash and 1.8 ATA hard disk drive slots are standard on every unit. A watertight access door affords quick and easy access for fast media exchange in the field without interruption to data acquisition. Memory options can be selected as appropriate for environmental conditions and Compact Flash media can be purchased directly from local suppliers. Minimal power,maximum data availability Taurus has an impressively low power consumption of just 750 mw in a typical portable system configuration acquiring 3-channels at 100 sps. This significantly reduces the size of the solar panels and batteries required at any site. Users will appreciate the importance of low power consumption and increased reliability it is not uncommon for the Taurus to operate continuously from a 10 Ah battery and 18 W solar panel. Integrated display provides clear concise feedback Every Taurus includes a large colour graphics LCD display and a five-button keypad which provides direct access to various acquisition, monitoring, configuration and instrument status web pages. There is no guesswork or interpretation of LED sequences just concise instrument status messages and graphics. Familiar web browser interface for local or remote operation No special software is required to configure the Taurus or to display real-time waveform or state-of-health information. A familiar web browser provides onboard and remote access to the many interactive web pages which make up the Taurus interface. Real-time and historic data, GPS status, instrument configuration and field procedures are all richly presented on the large colour graphics display. Many of the html pages can be translated into other languages or edited to include customer workflow requirements for configuration, monitoring and data retrieval. Connects directly to all modern seismometers with single cable Taurus can interface directly with any modern broadband or short period sensor without the need for external breakout boxes or power supplies. Hardware and software gain are user-configurable via the browser interface, as are the sensor control lines for mass centering, cal enable, and lock/unlock. Taurus will monitor the sensor mass position and center the masses as required, facilitating single visit deployments of broadband sensors. This is most important immediately after installation while the sensor is acclimatizing.

4 Taurus Data Management mic range and 24-bit resolution To excel in modern broadband data acquisition, a higher dynamic range is essential. Taurus is well-equipped with Nanometrics' proprietary Data output in industry-standard formats In addition to waveform data,taurus records the entire configuration history, all log file entries and status information data in a single project file or Store. Data is organized to facilitate the rapid review and retrieval of waveform, configuration and log file information. The Store contents can be reviewed using a web browser and data can be directly accessed in a number of international formats including miniseed, sorted miniseed, ASCII, SEISAN and SEG-Y. Real-time data streaming for network applications Taurus includes a wide range of physical interfaces and software protocols to support continuous real-time data streaming. Where network connections exist, real-time data streaming is available via UDP/IP multicast and http over 10/100Base-T Ethernet or the serial data port (SLIP). Optionally,Taurus data can be accessed through dial-up or wireless internet connections. New capabilities readily incorporated into Linux & Java based architecture Today s portable seismograph must operate unattended for long periods in remote areas, and seamlessly integrate with communications technologies such as VSAT, wireless and the Internet. To meet these challenges the Taurus architecture combines the versatility of the Linux operating system with modern Java applications while interconnecting with standard IP protocols over either Ethernet or serial interfaces. A winning combination designed to keep Taurus on the cutting edge for years to come.

5 TRIDENT Digitiser TheTrident 305 is a low-power, standalone, 3-channel, 24-bit analog-digital converter (digitiser) whose performance specifications are identical to the internaltaurus digitiser. Add-on expansion digitisers The Taurus supports 3-channel add-on Trident 305 digitisers expanding the total number of channels supported by a single Taurus from 3 to 6 or 9 channels. The Trident 305 settings (ex. gain, input impedance ) can be configured independently of the Taurus internal digitiser while making use of the Taurus for communications, GPS timing, data storage and power. Trident 305 connects to the Taurus via a simple twisted pair NMXbus cable which can be up to hundreds of meters in length. A Taurus/Trident 305 combination makes an excellent 6 or 9 channel system. APOLLO Project Data management,simplified Apollo PROJECT is a server application which manages the time consuming and repetitive task of downloading large data sets from multiple Taurus recorders. The user defines the type of project: archive, one-time data request, trigger or controlled source. Apollo PROJECT locates the data, downloads the requested time series, combines the data into network files and outputs the data in the format of choice. There is no more convenient way to simultaneously manage large data sets from multiple Taurus instruments.

6 TAURUS Technical Specifications Specifications subject to change without notice. S E N S O R I N P U T S Channels 3 standard, field upgradeable to 6 or 9 with external Trident digitisers Simultaneous Selectable 2V, 4V, 8V, 16V, 40V peak-to-peak differential 1 count/µv (gain=1) Sampling Input voltage range Nominal sensitivity Hardware gain selectable 0.4, 1, 2, 4, 8 Input impedance selectable 43k or high-z (> 9MΩ) D I G I T I S E R P E R F O R M A N C E Type Proprietary high order sigma-delta Digital filter 140dB attenuation at output Nyquist Filter type Linear phase (consult factory for other options) Dynamic range 100sps (max sine wave above shorted input) Shorted input noise 0.7µV RMS typical at 100sps, unity gain Sample rates 10, 20, 40, 50, 80, 100, 120, 200, 250, 500sps Software gain User configurable to 100 High pass filter User configurable to 1Hz S E N S O R S U P P O RT Sensor types Broadband active and short period passive Control lines 6; typically used for Cal enable, mass center, mass lock/unlock, and XYZ/UVW select Logic level assert/ 0V, 5/12V, High-Z de-assert configurable Sensor power Supply power pass-through to sensor (9-36VDC, 1A). Over-current protected. Sensor power can be switched on/off from user interface. Auto mass centering Configurable delayed and immediate auto-centering mass position thresholds with configurable repeat interval and maximum retry limit. Serial interface Supports digital management of Nanometrics Trillium 120/240 seismometers C A L I B R AT I O N O U T P U T Calibration signal Fully-configurable ramped sine wave, pseudo-random binary and pulse Calibration initiation User interface (local or remote) Calibration modes Voltage or current T I M I N G Timing system Timing accuracy GPS receiver GPS antenna Duty cycle selectable Internal DCXO clock disciplined to GPS <100µsec Internal 12 channel receiver External active antenna supplied with 5 m cable Auto-adaptive, always-on, 10 min, 30 min DATA R E T R I E VA L Media exchange Compact Flash and ATA drives are field swappable Download interfaces 10/100Base-T Ethernet Data Download Direct connection or media exchange. Multiple Taurus with optional Apollo Project Data Management Software R E A L - T I M E DATA C O M M U N I C AT I O N S Interfaces 10/100Base-T Ethernet, RS-232 serial Protocols UDP/IP unicast/multicast HTTP (POST and GET) RS-232 serial with IP drivers I N T E G R AT E D U S E R I N T E R FA C E LCD display 240*320 colour graphics display with backlight Interface Integrated browser with five button navigation LED indicators System status tri-colour LED, Ethernet communications LED, Media status LED C O N F I G U R AT I O N Taurus is configurable locally via the colour LCD display and integrated browser or remotely using any web browser. Multiple unit configuration is achieved using optional group configuration software. Consult factory for further information. S O F T WA R E Operating system Applications software C O N N E C TO R S Sensor connector Serial/USB GPS Ethernet User SOH NMXBus Power USB Linux Nanometrics Apollo acquisition server with web interface 26-pin mil circular. Primary input and sensor SOH channels, sensor control lines, calibration signal outputs, protected/switchable sensor power, digital serial sensor management interface 19-pin mil circular Serial port 1; Rx,Tx, RTS, CTS, DTR, DSR, CD, RI Serial port 2; Rx,Tx, RTS, CTS (data collection from serial devices) Serial peripheral power (pass-through supply voltage) USB master; Data, Pwr (5V, 100mA) TNC, active antenna connection (3.3V) 4-pin mil circular, 10/100Base-T 7-pin mil circular, 4 analog SOH inputs and common reference, 10mA peripheral power 4-pin mil circular, NMXbus data and power 3-pin mil circular, 9-36VDC input USB master/slave accessible behind media door S TAT E - O F - H E A LT H R E C O R D I N G Taurus records extensive continuous state-of-health: Instrument and Power supply voltage Environment: Digitiser and controller current consumption NMX and serial port peripheral current consumption Temperature GPS timing and channel parameters 4 general-purpose SOH voltage inputs (12-bit) Configuration audit trail Software message and event log Sensor Port: Seismometer mass positions Current consumption I N T E R N A L DATA S TO R A G E Standard Removable Type I/II Compact Flash slot Removable 1.8 ATA disk drive slot Easily accessible via weatherproof media door P O W E R Power system Ultra-low power mode Low power Communications mode Configuration Protected electronic resettable fuse design with configurable low voltage disconnect and restart, reverse battery and short circuit protection V, 3-channel continuous 100 sps, <100 µsec timing precision, Compact Flash recording V; 3-channel continuous 100 sps, continuous serial data acquisition (external geodetic GPS or equivalent), <100 µsec timing precision, internal disk or Compact Flash recording. 2.3 W typical; 3-channel continuous 100 sps, <100 µsec timing precision, real-time Ethernet or serial communications 3.3 W typical. All systems operational including colour graphics display T H E F O L LO W I N G M E D I A O P T I O N S A R E AVA I L A B L E : Compact Flash 2 to 16 Gbyte; 1.8 ATA disk drive 40 Gbyte Duration >800 days continuous recording, 100 sps on 40 Gbyte ATA drive (>320 days on 16 Gbyte Compact Flash) Recording modes Continuous; write once or ringbuffer (overwrites oldest data). Continuous with STA/LTA trigger flags File system Journaling Linux system ext3, readable in Windows Storage format Nanometrics Store Direct data output MiniSEED, sorted MiniSEED,ASCII, Seisan, SEGY and Nanometrics NP formats E N V I R O N M E N TA L Operating temp. -20º C to +60º C using Compact Flash storage +5º C to +55º C using 1.8 ATA disk storage Storage temp. Altitude -40º C to +70º C No altitude limit with Compact Flash, -60 m to 3000 m with IDE disk drive Humidity 100% Weather resistance Full IP67 when closed and with optional connector caps Length 264 mm Width 147 mm Depth 60 mm Weight 1.8 Kg 250 Herzberg Road, Kanata, Ontario, Canada K2K 2A Fax: sales_mkt@nanometrics.ca