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…+700°C / -58…+1292°F; -1…100 barg / -14.5…1450 psig (higher on request)

OPTIWAVE 7400 – Version with Drop antenna and thread connection

• Overview
• Specifications
• Media

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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 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.

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Product highlights

• 2-wire, loop-powered, with HART^®7
• PTFE or PEEK Drop antenna:
  • Small beam angle (4° with DN150 / 6” PTFE antenna)
  • Ellipsoidal shape and smooth surface to minimise scaling
  • Flange protection against corrosive media
  • New DN100 / 4" Drop antenna for distances up to 80 m / 262.5 ft
• 1.4404 / 316L metallic Horn antenna:
  • DN200 / 8" antenna for distances up to 100 m / 328 ft
  • Optional purging system
  • Heating / cooling systems to prevent crystallisation
• ± 2 mm / 0.08” accuracy
• Can measure in processes with fast changing levels (≤60 m/min | 196.85 ft/min)
• Metaglas^® second sealing barrier for toxic and dangerous products
• Antenna extensions to suit any nozzle length
• Flange or thread connections
• Quick Coupling system permits removal of the converter under process conditions and 360°rotation for easy reading of display
• Converter backwards-compatible with all OPTIWAVE 7300 C flange systems
• Large, backlit LCD screen with 4-button keypad for operation with bar magnet; no need to open the housing cover
• PACTware™, HART^® DDs and DTMs provided free of charge with full functionality
• Extensive sensor and process diagnostics (incl. NE 107)
• 3-year warranty

Typical applications

General

• Level measurement in/on storage, process or batch tanks and reactors (max. 100 m / 328 ft)
• Agitated liquids in tanks
• Processes with fast changing levels (≤60 m/min / 196.85 ft/min)
• High accuracy applications where ±2 mm / 0.08¨ is specified

Chemical industry

• Alcohols, e.g. methanol, ethanol
• Solvents, acids, bases
• Additives
• Butadiene
• Ethylene, propylene
• Molten sulphur

Petrochemical industry, oil and gas industry

• Liquefied gases
• Hydrocarbons and fuels
• Benzene
• Hydraulic oils
• Condensates

Power industry

• Molten salt at Concentrated Solar Power plants (CSP)

Iron, steel and metal industry

• Molten steel batching

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