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LMK 487 Submersible Ballast Tank and Draught Level Pressure Transmitter

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LMK 487 Submersible Ballast Tank and Draught Level Pressure Transmitter
A 22mm diameter titanium body seawater depth and level probe with a 4-20mA output with Lloyds and DNV-GL ship approval, for monitoring the quantity of ballast or the draft of a ship’s hull.

Contents

  • Product Parameters
  • Product Description
  • Applications
    • Draught measurement
    • Graving dock tidal inlet valve pit
  • Related Documents
    • Specification data sheet

Product Parameters

  • Pressure Ranges: 1 to 100 mH2O, 100 mbar to 10 bar gauge
  • Output Signals: 4-20mA 2 wire
  • Accuracy: 0.25% FS 0.4 bar and above, 0.35% below
  • Electrical Connections: IP68 submersible gland and TPE-U cable
  • Process Connections: G3/4 flush male, flush diaphragm, nose cone
  • Media Compatibility: Titanium body, Ceramic diaphragm, TPE-U cable sheath, FKM, EPDM or FFKM seals, POM-C nose cone
  • Special Features: Seawater compatibility, ship approval
  • Special Options: ATEX / IECEx intrinsic safety

Product Description

This seawater level transmitter probe has a slim 22 mm outer diameter so that it can be easily installed in 1 inch diameter pipes.

The body is made from titanium alloy providing excellent corrosion resistance to salt water for long periods of time. The diaphragm is made from a ceramic alumina which is also highly corrosion resistant to saltwater conditions

The LMK487 ship draught and ballast tank level sensor has been approved by DNV-GL and Lloyd’s Register for use on a marine vessel, and ATEX / IECEx intrinsically safe approved for use in hazardous areas.

The 4-20mA current loop output can be custom scaled in the factory to any pressure, depth or level, and calibrated for a particular sea water specific gravity (SG).

Applications

Draught measurement

In order for a ship to travel safely, it is important to know how low the ship is in the water. For this purpose, different levels are measured at various points outside and inside the ship in order to monitor the draught and the position.

The LMK487 provides the level measuring technology to be securely mounted and also resistance to salt water corrosion with the option for a Titanium housing.

Graving dock tidal inlet valve pit

Monitor the level of tidal seawater from a inlet valve pit which is used to fill a graving dock.

  • SKU ID: s1-lmk487-92-39391
  • Pressure Ranges: 0 to 20 mH2O gauge
  • Output Signals: 4-20mA 2 wire
  • Accuracy: 0.25% FS
  • Electrical Connections: IP68 submersible gland and TPE-U cable
  • Cable Length: 25m
  • Process Connections: Flush diaphragm with removable nose cone
  • Media Compatibility: Titanium body, Ceramic diaphragm, TPE-U cable sheath, FKM seals, POM-C nose cone

Related Documents

Specification data sheet

  • LMK 487 product data sheet

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