OPTIWAVE 6500

Radar level transmitter for advanced applications with powders

Continuous, non-contact level measurement in high and narrow silos, hoppers or containers
80 GHz radar, flush-mounted Lens antenna
Measuring range: 0…100 m / 328 ft
-50…+200°C / -58…+392°F; -1…40 barg / -14.5…580 psig

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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 specific algorithms and the high signal dynamics of the FMCW radar, the level transmitter is ideal for low-reflective media, dust, uneven surfaces or silos with internal obstructions. As it features flush-mounted PEEK and PTFE Lens antennas, there is no intrusion into the tank.

Product positioning

For powders and dusty atmospheres

Measurement variables

Distance, Level, Mass, Reflection, Volume

Measurement principle

Radar (FMCW)

Level measurement type

Continuous measurement

Contact to measured medium

Interface measurement

Redundancy

Measuring range (solids)

0…100 m/0…328 ft

Ambient temperature

-40…+80°C/-40…+176°F

Measuring point

Silo, Stockpile, Conveyor belt, Shaft, Bunker, Crusher

Process pressure

-1…40 barg/-14.5…580 psig

Process temperature

-50…++150°C/-58…++302°F

Antenna

Polyetheretherketone (PEEK)

Gaskets

Ethylene propylene diene monomer (EPDM), Fluoroelastomer rubber (FKM/FPM), Kalrez® 6375

Process connections

Flange connections EN (1092-1): DN50…200

ASME (B 16.5): 2…8″

JIS (B 2220): 50…200A

Pressure ratings

EN (1092-1): PN40

ASME (B 16.5): Cl 300#

JIS (B 2220): 10k

Thread connections Male:

G1½, G3

1 ½ NPT, 3 NPT

Approvals/Standards

Certificates/Approvals Others WHG, CRN / ASME B31.3

Certificates/Approvals Ex ATEX, cQPSus, IECEx, NEPSI, EAC Ex, KCs

Certificates/Approvals Marine DNV

Certificates/Approvals Safety SIL 2/3

Ingress protection

IP66/68, NEMA4X/6P

NAMUR compliance

NE 107, NE 21, NE 43, NE 53

Communication

Analogue outputs 4…20 mA

Digital outputs FOUNDATION™ Fieldbus, HART®, Profibus-PA

Accuracy (solids)

±2 mm/±0.08 in

Features & Options

Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.

2-wire, loop-powered, with HART®7
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 or PTFE Lens antennas (no tank intrusion):
DN70 / 2¾″ with 4° beam angle for distances up to 100 m / 328 ft
112 mm / 4.4″ antenna extension for long nozzles
Unaffected by angle of repose
Purging system for antenna cleaning
TBM (Tank Bottom Management) ensures reliable measurement even in empty tanks:
dedicated algorithms to filter and compensate for irregular radar wave reflections that occur at tank bottom when the vessel is empty
allows for quick and easy commissioning of tanks regardless of their size, material or geometry
±2 mm / ±0.08″ accuracy
Large choice of flange and thread connections
Low-cost 316L low-pressure flange discs
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