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New radar generation
KROHNE OPTIWAVE

Radar Transmitter with 80 GHz for the industrial market.

KROHNE OPTIFLEX
Compact and reliable
Radar Transmitters


Reliability tested on OPTIFLEX 1300 / 2200

KROHNE OPTIWAVE 15XX
80 GHz radar level and
flow transmitters

For simple liquid and bulk solid applications

KROHNE BM 26
Visual and radar level together

Magnetic bypass Level Indicator (MLI) for general-

purpose applications

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Buy in our Shop - On this site you can find everything you need to complete your project. We are a experts team with high level of technical expertise.

KROHNE guided radar transmitters work by using the Time Domain Reflectometry (TDR) principle, where they send low-power, high-frequency pulses along a probe submerged in the process media. When a pulse hits the liquid's surface, part of its energy is reflected back to the device, and the transmitter calculates the level by measuring the time difference between sending the pulse and receiving the reflection.

KROHNE OPTIWAVE radar level transmitters work on the frequency-modulated continuous wave (FMCW) principle, emitting a high-frequency radar signal that increases in frequency during measurement. This signal reflects off the surface of the liquid or solid, and the time delay is used to calculate the distance to the surface. The frequency difference (\(\Delta f\)) between the transmitted and received signal is directly proportional to this distance, which is then converted into a level measurement. 

KROHNE Guided radar (TDR) - Level Transmitter OPTIWAVE Series (Continuous, contact)

KROHNE Radar Level Transmitter OPTIWAVE Series (Continuous, no contact)

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KROHNE OPTIWAVE 7500 C - for liquids in narrow tanks with internal obstructions - OPTIWAVE Series (175)

OPTIWAVE 7500 C - Level Transmitter for liquids in narrow tanks with internal obstructions - Part number VFDF40260021C480240PG1000 / Process fitting / Material -DN150 PN40 – Type B1, 316L stainless steel / Electronics - 4–20 mA with HART / Display - Plug-in display (cover with window) / 1…40 barg (-14.5…580 psig) / -50°C...+150°C (-58°F…+302°F) / EPDM

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KROHNE OPTIWAVE 7500 C - for liquids in narrow tanks with internal obstructions - OPTIWAVE Series (176)

OPTIWAVE 7500 C - Level Transmitter for liquids in narrow tanks with internal obstructions - Part number VFDF40300421C410140M1A000 / Process fitting / Material - 4¨ 150 lb RF, 316L stainless steel / Electronics - 4–20 mA with HART / Display - Plug-in display (cover with window) / 1…40 barg (-14.5...580 psig) / -40°C...+150°C (-40°F…+302°F) /FKM/FPM

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KROHNE OPTIWAVE 7400 C - for agitated and corrosive liquids - OPTIWAVE Series (177)

OPTIWAVE 7400 C - Level Transmitter for agitated and corrosive liquids - Part number VFDF40W50021C4801E0M1000 / Process fitting / Material - 4¨ 150 lb RF, 316L stainless steel / Electronics - 4–20 mA with HART / Display - Plug-in display (cover with window) / 1…40 barg (-14.5…580 psig) / -40°C...+200°C (-40°F…+392°F) / FKM/FPM

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KROHNE OPTIWAVE 6500 C - (FMCW) for powders and dusty atmosphere - OPTIWAVE Series (180)

OPTIWAVE 6500 C - Non-contact Radar (FMCW) Level Transmitter for powders and dusty atmosphere - Part number VFDD401000212020130GP0000 / Process fitting / Material - G 1½ A (ISO 228 (threaded connection)) / Electronics - 4–20 mA with HART / Display - Plug-in display (cover with window) /1…40 barg (-14.5…580 psig) / -40°C...+150°C (-40°F…+302°F) / FKM/FPM

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KROHNE OPTIWAVE 7300 C - (FMCW) Level Meter for liquids - OPTIWAVE Series (178)

OPTIWAVE 7300 C - Non-contact Radar (FMCW) Level Meter for liquids - Part number VF704303000A004010000000 / Process fitting / Material - 3¨ 150 lb RF ASME B16.5 / Electronics - 4–20 mA with HART / Display - (display and keys): 1 - English / (40 barg / 580 psig) – Drop PTFE (40 barg / 580 psig) – Drop PP (16 barg / 232 psig)

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KROHNE OPTIWAVE 6500 C - (FMCW) for powders and dusty atmosphere - OPTIWAVE Series (179)

OPTIWAVE 6500 C - Non-contact Radar (FMCW) Level Transmitter for powders and dusty atmosphere - Part number VFDD40250021C480230GP0003 / Process fitting / Material - G 1½ A (ISO 228 (threaded connection)) / Electronics - 4–20 mA with HART / Display - Plug-in display (cover with window) /1…40 barg (-14.5…580 psig) / -50°C...+150°C (-58°F…+302°F) / EPDM

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KROHNE OPTIWAVE 6400 C - for solids from granulates to rocks- OPTIWAVE Series (181)

OPTIWAVE 6400 C- Non-contact Radar (FMCW) Level Transmitter for solids from granulates to rocks - Part number VFDC4020002114801A0ME1003 / Process fitting / Material - DN100 PN16 – Type B1 (EN 1092-1 flange / Electronics - 4–20 mA with HART / Display - Plug-in display (cover with window) /1…16 barg (-14.5…232 psig) / -40°C...+130°C (-40°F…+266°F) / FKM/FPM

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KROHNE OPTIWAVE 6300 C - (FMCW) Level Meter for Solids- OPTIWAVE Series (182)

OPTIWAVE 6300 C- Non-contact Radar (FMCW) Non-contact Radar (FMCW) Level Meter for Solids - Part number VF63400P10A0001010000100 / Process fitting / Material - 3¨ 150 lb RF ASME B16.5 / Electronics - 4–20 mA with HART / Display - (display and keys): /(40 barg / 580 psig) – Drop PTFE (40 barg / 580 psig) – Drop PP (16 barg / 232 psig)

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KROHNE OPTIWAVE 6300 C - (FMCW) Level Meter for Solids- OPTIWAVE Series (183)

OPTIWAVE 6300 C- Non-contact Radar (FMCW) Non-contact Radar (FMCW) Level Meter for Solids - Part number VF63400P10A0001010000100 / Process fitting / Material - G 1½A ISO 228/ Electronics - 4–20 mA with HART / Display - (display and keys): /(40 barg / 580 psig) – Drop PTFE (40 barg / 580 psig) – Drop PP (16 barg / 232 psig)

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KROHNE OPTIWAVE 5400 C - For liquids in basic process applications- OPTIWAVE Series (184)

OPTIWAVE 5400 C - For liquids in basic process applications - Part number VFDB00W00021C4801A0FP0000 / Process fitting / Material - 6¨ 150 lb RF/ Electronics - 4–20 mA with HART / Display - (display and keys): /1…16 barg (-14.5…232 psig) / -40°C...+130°C (-40°F…+266°F) / FKM/FPM

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KROHNE BM 26 BASIC - for applications up to 40 bar / 580 psi- BM 26 Series (185)

BM 26 BASIC - Stainless Steel Bypass Level Indicators for applications up to 40 bar / 580 psi - Part number VF4140101101FF11010000000032/ Process fitting / Material - ¾¨ 150LB / Density [kg/l] - Float material/ 1 - 0.8. 1.19 / -40...+150°C and -16 bar max. / -40...300°F and 232 psi max.

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Technical Feature Krohne Radar Transmitters

Advantages   Disadvantages 
  • Non-contact measurement: Radar transmitters provide a non-contact method, which is beneficial for corrosive or abrasive materials.
  • High accuracy: They offer high accuracy and reliability, even in challenging conditions like foam, vapor, or turbulent surfaces.
  • Versatile installation: Non-contact FMCW radar can measure through closed tank roofs and some types of grids and sieves, which is ideal for applications where cutting into a tank is not possible or desirable.
  • Minimal disturbance: Some KROHNE models, particularly those using flush-mounted lens antennas, can be installed on small nozzles, allowing for a "dead zone" (area where measurement is not possible) as small as a few millimeters, enabling the tank to be filled almost to the antenna.
  • Maintenance-free: Some models, like the OPTIFLEX 7200, are maintenance-free, reducing long-term costs.
  
  • Cost: Installation and maintenance costs can be high due to the need for specialized expertise and potential long-term maintenance.
  • Substance limitations: Accuracy can be affected by the dielectric constant of the material. Substances with a low dielectric constant or a highly agitated surface can make measurement difficult.
  •  Guided wave radar probe limitations: For guided wave radar (GWR) with probe versions, there are risks of leaks at the installation point, and the tank may need to be emptied for maintenance or if the probe needs to be removed.
  • Antenna or probe build-up: With some models, material can adhere to the probe or antenna, requiring cleaning to ensure accurate readings. 

 

 

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