In-situ Level TROLL 400, Руководство оператора, Страница: 18 / 85

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System Components
Instrument
The Level TROLL Instrument is completely sealed and contains no user-serviceable parts. The instrument includes pressure
and temperature sensors, a real-time clock, microprocessor, sealed lithium battery, data logger, and memory. Options
include a vented or non-vented pressure sensor in a variety of ranges.
RuggedCable System
RuggedCable Systems are custom-built, durable, direct-read cables that include the following items.
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Titanium twist-lock connectors for quick, reliable connections to the instrument, desiccant, and communication
cable
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Metal shield beneath the cable jacket to prevent electrical interferences
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Kellems grip for secure instrument deployment
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Small desiccant for vented systems (for storage only)
Non-vented cables are marked with VF, which means vent free.
Vented or Non-Vented Cable
Vented cable is used with vented pressure sensors to produce gauged measurements. The cable vent tube ensures that
atmospheric pressure is applied to the back of the sensor diaphragm.
Non-vented cable is used with non-vented instruments for absolute measurements. Compensate absolute measurements by
using a BaroTROLL Instrument and Win-Situ Baro Merge Software.
Vented cable is shipped with a small desiccant to protect against condensation. Larger
desiccants are necessary for deployment.
Jacket Options
Tefzel (vented) or thermoplastic polyurethane (TPU, vented or non-vented)
Customizable Cable Lengths
Cables can be ordered up to 1,219 m (4,000 ft).
Cable Termination
Cables can be ordered with a twist-lock termination (female connector) on both ends that connect to the instrument, the
TROLL Com Communication Device, desiccant, and other accessories.
Cables can also be ordered with stripped-and-tinned termination for wiring to a data logger or controller using SDI-12, analog
(4-20 mA), or Modbus communication protocol.