OPTIWAVE 6500

The OPTIWAVE 6500 is a 2-wire 80 GHz radar (FMCW) level transmitter for demanding applications with powders in very dusty atmospheres. With its small beam angle, this radar is particularly suited for continuous, non-contact level measurement in high and narrow silos, hoppers or buffer storage containers up to 100 m / 328 ft. Due to the high signal dynamics of the FMCW radar, the level transmitter is ideal for low-reflective media, dust, uneven surfaces or tanks with obstacles. As it features a flush-mounted PEEK Lens antenna, there is no intrusion of the antenna into the tank.

The OPTIWAVE 6500 provides accurate and reliable readings in process conditions with temperatures up to +150°C / +302°F and pressures up to 40 barg / 580 psig. It offers flange or thread connections as well as an optional 112 mm / 4.4″ antenna extension for the DN40 / 1.5”antenna. Approvals for use in hazardous areas are also available. The level transmitter comes with HART^®7 communication.

Product highlights

• 2-wire, loop-powered, with HART^®7
• Extremely high dynamics for clear vision despite dusty atmospheres or low reflective media
• Empty tank spectrum function eliminates false reflections caused by tank internals
• Flush-mounted PEEK Lens antenna (no tank intrusion):
  • DN70 / 2.75″ (concave Lens) with 4° beam angle for distances up to 100 m / 328 ft
  • DN40 / 1.5″ (convex Lens) with 8° beam angle for distances up to 30 m / 98 ft
• 112 mm / 4.4″ antenna extension for long nozzles
• Unaffected by angle of repose – no need for antenna aiming kits
• Antenna purging system for flange connection without antenna extension
• ± 2 mm / 0.08” accuracy
• Flange or thread connections
• Large, backlit LCD screen with 4-button keypad for operation with bar magnet; no need to open the housing cover
• PACTware^TM, HART^® DDs and DTMs provided free of charge with full functionality
• 3-year warranty

Typical applications

General

• Level measurement in/on high and narrow silos with internal obstructions, buffer silos, bulk storage containers, hoppers

Minerals and mining industry

• Fine powders (e.g. building materials)
• Cement
• Gypsum
• Lime
• Filler
• Fly ash

Chemical industry

• Plastic powder
• Silica
• Soap powder

Food and beverage industry

• Milk powder
• Coffee powder
• Chocolate powder
• Flour
• Starch
• Salt, sugar

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