OPTIWAVE 7400

Radar (FMCW) level transmitter for agitated and corrosive liquids

  • Continuous, non-contact level measurement in harsh environments
  • 24 GHz radar, Horn or Drop antennas
  • Measuring range: 0…100 m / 328 ft
  • -50…+200°C / -58…+392°F, up to +700°C / +1292°F in non-ex applications; -1…100 barg / -14.5…1450 psig (higher on request)

Product variants

OPTIWAVE 7400

OPTIWAVE 7400

Radar (FMCW) level transmitter for agitated and corrosive liquids

  • Continuous, non-contact level measurement in harsh environments
  • 24 GHz radar, Horn or Drop antennas
  • Measuring range: 0…100 m / 328 ft
  • -50…+200°C / -58…+392°F, up to +700°C / +1292°F in non-ex applications; -1…100 barg / -14.5…1450 psig (higher on request)

Product variants

OPTIWAVE 7400

Overview

The OPTIWAVE 7400 is a 2-wire 24 GHz radar (FMCW) level transmitter for liquids in harsh environments like tanks with agitators containing corrosive media. It is particularly designed for continuous, non-contact level measurement under extreme conditions prevalent in the chemical, petrochemical, power, metal or oil and gas industry. The device features Metallic Horn antennas as well as PTFE and PEEK Drop antennas for measuring distances up to 100 m / 328 ft. The Drop antennas are perfectly suited for aggressive liquids in tanks. In applications with toxic and dangerous products, this radar device can be equipped with a METAGLAS® second sealing barrier.

  • 2-wire, loop-powered, with HART®7
  • Distance piece for non-ex applications with molten salt or other high temperature liquids of up to +700°C / +1292°F
  • PTFE or PEEK Drop antennas:
    • Insensitive to condensation
    • Small beam angle (4° with DN150 / 6″ PTFE antenna)
    • Ellipsoidal shape and smooth surface to minimise scaling
    • PTFE flange plate protection for corrosive media
    • New DN100 / 4" Drop antenna for distances up to 80 m / 262.5 ft
  • 316L Metallic Horn antennas with optional purging system
  • Heating / cooling systems to prevent crystallisation or build-up in Metallic Horn antennas
  • ±2 mm / ±0.08″ accuracy
  • METAGLAS® second sealing barrier for toxic and dangerous liquids
  • Antenna extensions to suit any nozzle length
  • Empty tank spectrum function eliminates false reflections caused by tank internals
  • Large choice of flange and thread connections
  • Quick Coupling system permits removal of the converter under process conditions and 360° rotation for easy reading of display
  • Converter compatible with all OPTIWAVE 7300 C flange connections
  • Large, backlit LCD screen with 4-button keypad for operation with bar magnet; no need to open the housing cover
  • PACTware™, HART® DD and DTM provided free of charge with full functionality
  • Extensive device diagnostics acc. to NAMUR NE 107
  • SIL 2/3 certified for safety-related applications
  • 3-year warranty

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