dataTaker - a brand by Thermo Fisher Scientific Australia Pty Ltd.

- Model DT80G - Geotechnical Data Loggers



DataTaker DT80G is standard logger which supports vibrating wire and other Geotechnical sensors. This logger is suitable to be used in Geotechnical application such as slope stability, subsidence, dam wall monitoring, tunnel and mining excavation, ground water, tunnel wall monitoring, and site assessment. DT80G can read up to 300 Vibrating Wire sensor (when using 5x CEM20). With the support of high capacity memory, no need to worry about running out of space to log your data.

  • Vibrating Wire Support
  • Low Cost Per Channel
  • Carlson, Electro Level & LVDT support
  • Expandable to 300 analog inputs
  • Strain Gauge Support
  • Web & FTP client / server
  • Dual Channel Isolation Technology
  • 2 Serial ‘Smart Sensor’ ports
  • 8 Flexible Digital channels
  • Internal WiFi (option)

With the standard unit able to store up to 10 million data points (expandable) you can log as much or as little as you need. Overwrite or stop logging once allocated memory is full,archive data on alarm event, copy to USB memory or transfer via FTP/ Email, the choice is yours.

Communications features include RS232, USB and Ethernet, connect to the DT80G locally, remotely through a modem or over the Internet. The web interface allows users to configure the DT80G, access logged data and see current measurements as mimics or in a list using a web browser.

FTP/ Email provides data to your office over the internet or wireless network, without the need for polling or specific host software.

  • Land slide prevention
  • Structural strength diagnosis
  • Dam-wall monitoring
  • Tunnel monitoring
  • Concrete curing
  • Mining exploration
  • Pipelines monitoring
  • Earthquake early detection

  • Max Sampling rate (Hz) 40
  • Analog Inputs
    • 15 (2-wire common reference)
    • 10 (2-wire isolated)
    • 5 (3 and 4 wire isolated)
  • Analog Input Range
    • Voltage: ±30m,300m,3000m,50000mVDC
    • Current: ±30mA
    • Resistance: 1MΩ
    • Frequency: 450kHz
  • Analog Voltage Accuracy ±0.15 of Reading + (Full Scale Reading * 0.01%)
  • Effective Resolution 18 bits
  • Analog Outputs 1
  • Analog Out Range Voltage: 10m-10000mVDC
  • Current: 0-24mA
  • Excitation
    • Analog Channel: selectable 2µA, 250µA or 2.5mA precision current source, 4.5V voltage source or switched external supply
    • Switchable 12V/5 regulated power output (max 300mA)
  • Digital IO 8 bi-directional channels
  • Counter
    • Low speed counters: 8 counters shared with digital inputs
    • Dedicated counters: 4 high speed or 2 phase encoder
  • RS232/RS422/RS485 serial sensor port 1
  • RS232 host port 1
  • USB Port 1
  • Ethernet Port 1
  • Data Storage 128MB (upgradeable to 2GB)
  • Vibrating Wire Supported Yes
  • Protocols Supported Modbus, FTP, HTTP, XML, SMTP, NTP and SDI-12
  • CEM20 Expansion Module supported Yes
  • Power Requirements 10-30 VDC
  • Internal Battery 6Vdc 1.2Ah Lead Acid
  • Real Time Clock Accuracy
    • ± 1 min/year (0°C to 40°C)
    • ± 4 min/year (–40°C to 70°C)
  • Dimensions(mm) 180x137x65
  • Weight 1.5kg
  • Temperature Range –45°C to 70°C
  • Warranty 3 years

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