OPTIWAVE 7400

Radar (FMCW) level transmitter for agitated and corrosive liquids

หมวดหมู่ : Radar Level

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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.

The OPTIWAVE 7400 provides accurate readings even in processes with fast changing levels. It has approvals for hazardous areas and can be used in process conditions of up to +200°C / +392°F and 100 barg / 1450 psig. There is also a dedicated version available for non-ex applications with molten salt or other high temperature liquids of up to +700°C / +1292°F. The radar level transmitter comes with a quick coupling system, allowing the housing to be removed under process conditions. The device features extensive device diagnostics (acc. to NE 107) as well as HART®7 communication.

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
PACTwareTM, HART® DDs and DTMs provided free of charge with full functionality
Extensive sensor and process diagnostics (incl. NE 107)

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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