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10 Km Tilt Current Meter

The TCM-5 is a current meter that is designed to operate in the Abyssopelagic and Hadalpelagic Zones to a maximum depth of 10,000 meters. The TCM-5 is constructed from toughened syntactic foam with a titanium pressure housing and is intended to be deployed on benthic landers or by an ROV. Similar to the other Lowell […]

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The TCM-5 is a current meter that is designed to operate in the Abyssopelagic and Hadalpelagic Zones to a maximum depth of 10,000 meters. The TCM-5 is constructed from toughened syntactic foam with a titanium pressure housing and is intended to be deployed on benthic landers or by an ROV.

Similar to the other Lowell Instrument's TCMs. The core of the TCM-5 is the MAT-1 Data Logger. The MAT-1 data logger was designed for NOAA and is ideally suited as the "brains" of a tilt current meter. The built-in data logger includes a USB communication interface, a microSD flash memory card, and a long-life lithium battery.

Operation
The TCM-5 Tilt Current Meter measures current using the drag-tilt principle. The logger is buoyant and is typically attached to the bottom via a short flexible tether to an anchor. Moving water tilts the logger in the direction of flow. The TCM-5 contains a 3-axis accelerometer and 3-axis magnetometer for measuring tilt and bearing. The resulting orientation data is converted to current by applying calibration coefficients with the included software.

Key Features & Benefits

  • 10,000 meter depth rating
  • Water velocity for a fraction of the cost of an acoustic meter
  • Tilt compensated compass for bearing measurements
  • Simple & rugged design is easy to deploy from a ROV
  • Internal temperature sensor is accurate to +/-0.1C
  • 4 GB memory card eliminates memory concerns
  • Lithium battery allows continuous 4Hz sampling for more than 1 year
  • USB 2.0 with standard cable and drag and drop data file offload
  • Easy meter configuration and data conversion with Windows® software.
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