OPTIWAVE level measurement devices
6, 10, 24 and 80 GHz OPTIWAVE – 2-wire loop-powered FMCW radar level transmitters for liquids and solids
Introduced in 1989, the BM 70 from KROHNE was the first 10 GHz FMCW radar level transmitter for level measurement in process tanks available on the market. The 2-wire OPTIWAVE series that followed in 2004 featured specific options for liquid and solid applications e.g. OPTIWAVE 6300 with its unique Drop antenna design for measuring solids.
OPTIWAVE 5200 (10 GHz)
for liquids in storage and process applications
Frequency range | X-band / 10 GHz |
Measurable products | liquids |
Dielectric constant Ɛr | ≥1,8 (TBF 1,1) |
Measuring range | 0…30 m; 0…98 ft |
Accuracy | ±5 mm; ±0,2” |
Repeatability | ±1 mm; ±0,04” |
Converter version | C (compact), F (field remote) |
Housing material | Aluminium, 316L |
Ingress protection | IP66/67 – NEMA 4X |
Antenna installation* | TLPR |
Antenna type (material), size (beam angle) | Metallic Horn (316L) DN65; 2.5” (for BM 26) Metallic Horn (316L) DN80…200; 3…8” (32…12°) Wave Horn (PP or PTFE) Ø43 mm; 1.69” (20°) Metallic Wave Guide (316L) Ø30 mm; 1.18” |
Process connection | Thread: G1½, G2, 1½ NPT, 2 NPT Flange: DN50…DN200; 2…8”, 50…200 A |
Gasket | FKM/FPM, Kalrez® 6375, EPDM, PFA |
Ambient temperature | –40…+80°C; –40…+176°F |
Process temperature | –60…+250°C; –76…+482°F (higher on request) |
Process pressure | –1…40 barg; –14,5…580 psig (higher on request) |
Power supply /x-wire | 11,5…30 V DC (Ex i), 13,5…36 V DC (Ex d), 2-wire |
Output | 2-wire: 4…20 mA (HART® 6), FOUNDATION™ Fieldbus, PROFIBUS PA, RS 485 MODBUS RTU** |
Accessories | antenna extensions of various shapes and lengths, heating / cooling systems for metallic horn antennas, BM70x adaptor, weather protection |
Approvals | ATEX, IECEx, cFMus, NEPSI, INMETRO, PESO, EAC, WHG, CRN, NACE |
SIL approval | SIL 2 |
OPTIWAVE 5400 (24 GHz)
for liquids in basic process applications
Frequency range | K-band / 24 GHz |
Measurable products | liquids |
Dielectric constant Ɛr | ≥1,4 (TBF 1,1) |
Measuring range | 0…100 m; 0…328 ft |
Accuracy | ±2 mm; ±0,08” |
Repeatability | ±1 mm; ±0,04” |
Converter version | C (compact), F (field remote)** |
Housing material | Aluminium, 316L**, Deep drawn 316L** |
Ingress protection | IP66/68 0,1 barg; 1,45 psig |
Antenna installation* | LPR and TLPR |
Antenna type (material), size (beam angle) | Metallic Horn (316L) DN40…200; 1.5…8” (17…5°) Drop (PP) DN80; 3” (9°), DN100; 4” (7°), DN150; 6” (5°) |
Process connection | Thread: G1, G1½, 1 NPT, 1½ NPT Flange: DN40…200; 1½…8”, 40…200 A |
Gasket | FKM/FPM, EPDM, Kalrez® 6375 |
Ambient temperature | –40…+80°C; –40…+176°F |
Process temperature | –50…+130°C; –58…+266°F |
Process pressure | –1…16 barg; –14,5…232 psig |
Power supply / x-wire | 12…30 V DC (Ex i), 16…36 V DC (Ex d), 2-wire |
Output | 2-wire: 4…20 mA (HART® 7), FOUNDATION™ Fieldbus**, PROFIBUS PA** |
Accessories | antenna extensions in metal or PP, purging system, flange plate protection made of PP, weather protection, mounting brackets |
Approvals | ATEX, IECEx, cQPSus (IS/NI), NACE, cQPSus (XP)**, NEPSI**, EAC**, WHG**, VLAREM II**, API 2350**, CRN – ASME B31.3** |
SIL approval | Developed acc. to SIL 2/3, IEC 61508 – 2010. The SIL approval is in the process of validation by TÜV Süd, Germany. |
* Antenna installation: LPR (Level Probing Radar): The antenna can be installed in a closed tank as well as outside. The antenna needs to point downwards and location restrictions apply (Radio Astronomy Station). TLPR (Tank Level Probing Radar): The antenna must be installed in a closed tank.
** Available by the 2nd quarter of 2018 at the latest
OPTIWAVE 7400 (24 GHz)
for agitated and corrosive liquids
Frequency range | K-band / 24 GHz |
Measurable products | liquids |
Dielectric constant Ɛr | ≥1,4 (TBF 1,1) |
Measuring range | 0…100 m; 0…328 ft |
Accuracy | ±2 mm; ±0,08” |
Repeatability | ±1 mm; ±0,04” |
Converter version | C (compact), F (field remote)** |
Housing material | Aluminium, 316L**, Deep drawn 316L** |
Ingress protection | IP66/68 0,1 barg; 1,45 psig |
Antenna installation* | LPR and TLPR |
Antenna type (material), size (beam angle) | Metallic Horn (316L) DN40…200; 1.5…8” (17…5°) Drop (PEEK) DN80; 3” (9°) Drop (PTFE) DN80; 3” (8°), DN100; 4” (7°), DN150; 6” (4°) |
Process connection | Thread: G1½, 1½ NPT Flange: DN40…200; 1½…8”, 40…200 A |
Gasket | FKM/FPM, EPDM, Kalrez® 6375 |
Ambient temperature | –40…+80°C; –40…+176°F |
Process temperature | –50…+200°C; –58…+392°F (higher on request) |
Process pressure | –1…100 barg; –14,5…1.450 psig (higher on request) |
Power supply / x-wire | 12…30 V DC (Ex i), 16…36 V DC (Ex d), 2-wire |
Output | 2-wire: 4…20 mA (HART® 7), FOUNDATION™ Fieldbus**, PROFIBUS PA** |
Accessories | antenna extensions in metal or PTFE, purging / heating / cooling systems for metallic horn antennas, flange plate protection made of PTFE or PEEK, weather protection, OPTIWAVE 7300 process connection adaptor, mounting brackets |
Approvals | ATEX, IECEx, cQPSus (IS/NI), NACE, cQPSus (XP)**, NEPSI**, EAC**, WHG**, VLAREM II**, API 2350**, DNV-GL**, CRN – ASME B31.3** |
SIL approval | Developed acc. to SIL 2/3, IEC 61508 – 2010. The SIL approval is in the process of validation by TÜV Süd, Germany. |
* Antenna installation: LPR (Level Probing Radar): The antenna can be installed in a closed tank as well as outside. The antenna needs to point downwards and location restrictions apply (Radio Astronomy Station). TLPR (Tank Level Probing Radar): The antenna must be installed in a closed tank.
** Available by the 2nd quarter of 2018 at the latest
OPTIWAVE 7500 (80 GHz)
for liquids in narrow tanks with internal obstructions
Frequency range | W-band / 80 GHz |
Measurable products | liquids |
Dielectric constant Ɛr | ≥1,4 (TBF 1,1) |
Measuring range | 0…100 m; 0…328 ft |
Accuracy | ±2 mm; ±0,08” |
Repeatability | ±2 mm; ±0,08” |
Converter version | C (compact), F (field remote)** |
Housing material | Aluminium, 316L**, Deep drawn 316L** |
Ingress protection | IP66/68 0,1 barg; 1,45 psig |
Antenna installation* | LPR and TLPR |
Antenna type (material), size (beam angle) | Lens (PEEK) DN20; ¾” (15°), DN25; 1” (10°), DN40; 1.5” (8°), DN70; 2.75” (4°) |
Process connection | Thread: G¾, G1, G1½, G3, ¾ NPT, 1 NPT, 1½ NPT, 3 NPT Flange: DN50…200; 2…8”, 50…200 A |
Gasket | FKM/FPM, EPDM, Kalrez® 6375 |
Ambient temperature | –40…+80°C; –40…+176°F |
Process temperature | –50…+150°C; –58…+302°F, –50…+200°C; –58…+392°F** |
Process pressure | –1…40 barg; –14,5…580 psig |
Power supply / x-wire | 12…30 V DC (Ex i), 16…36 V DC (Ex d), 2-wire |
Output | 2-wire: 4…20 mA (HART® 7), FOUNDATION™ Fieldbus**, PROFIBUS PA** |
Accessories | antenna extensions in metal, purging system, flange plate protection made of PEEK, weather protection, mounting brackets |
Approvals | ATEX, IECEx, cQPSus (IS/NI), NACE, cQPSus (XP)**, NEPSI**, EAC**, WHG**, VLAREM II**, API 2350**, DNV-GL**, CRN – ASME B31.3** |
SIL approval | Developed acc. to SIL 2/3, IEC 61508 – 2010. The SIL approval is in the process of validation by TÜV Süd, Germany. |
* Antenna installation: LPR (Level Probing Radar): The antenna can be installed in a closed tank as well as outside. The antenna needs to point downwards and location restrictions apply (Radio Astronomy Station). TLPR (Tank Level Probing Radar): The antenna must be installed in a closed tank.
** Available by the 2nd quarter of 2018 at the latest
OPTIWAVE 3500 (80 GHz)
for liquids with hygienic requirements
Frequency range | W-band / 80 GHz |
Measurable products | liquids |
Dielectric constant Ɛr | ≥1,4 (TBF 1,1) |
Measuring range | 0…50 m; 0…164 ft |
Accuracy | ±2 mm; ±0,08” |
Repeatability | ±1 mm; ±0,04” |
Converter version | C (compact), F (field remote)** |
Housing material | Aluminium, 316L**, Deep drawn 316L** |
Ingress protection | IP66/68 0,1 barg; 1,45 psig |
Antenna installation* | LPR and TLPR |
Antenna type (material), size (beam angle) | Lens (PEEK) DN25; 1” (10°), DN40; 1.5” (8°) |
Process connection | Tri-Clamp® ISO 2852: 1½”, 2” DIN 11851 or DIN 11864-1 Form A: DN40, DN50 VARIVENT® or NEUMO BioControl®: DN50 SMS 1145: DN51 |
Gasket | PEEK |
Ambient temperature | –40…+80°C; –40…+176°F |
Process temperature | –40…+150°C; –40…+302°F |
Process pressure | –1…25 barg; –14,5…362,6 psig |
Power supply / x-wire | 12…30 V DC (Ex i), 16…36 V DC (Ex d), 2-wire |
Output | 2-wire: 4…20 mA (HART® 7), FOUNDATION™ Fieldbus**, PROFIBUS PA** |
Accessories | weather protection |
Approvals | ATEX, IECEx, cQPSus (IS/NI), FDA, EG 1935/2004, EG 2023/2006, EU 10/2011, cQPSus (XP)**, NEPSI**, EAC**, WHG**, VLAREM II**, 3A**, EHEDG**, CRN – ASME B31.3** |
SIL approval | Developed acc. to SIL 2/3, IEC 61508 – 2010. The SIL approval is in the process of validation by TÜV Süd, Germany. |
* Antenna installation: LPR (Level Probing Radar): The antenna can be installed in a closed tank as well as outside. The antenna needs to point downwards and location restrictions apply (Radio Astronomy Station). TLPR (Tank Level Probing Radar): The antenna must be installed in a closed tank.
** Available by the 2nd quarter of 2018 at the latest
OPTIWAVE 6400 (24 GHz)
for solids from granulates to rocks
Frequency range | K-band / 24 GHz |
Measurable products | solids |
Dielectric constant Ɛr | ≥1,4 (TBF 1,1) |
Measuring range | 0…100 m; 0…328 ft |
Accuracy | ±2 mm; ±0,08” |
Repeatability | ±1 mm; ±0,04” |
Converter version | C (compact), F (field remote)** |
Housing material | Aluminium, 316L**, Deep drawn 316L** |
Ingress protection | IP66/68 0,1 barg; 1,45 psig |
Antenna installation* | LPR |
Antenna type (material), size (beam angle) | Metallic Horn (316L) DN80…200; 3…8” (9…5°) Drop (PP) DN80; 3” (9°), DN100; 4” (7°), DN150; 6” (5°) Drop (PTFE) DN80; 3” (8°), DN100; 4” (7°), DN150; 6” (4°) |
Process connection | Thread: G1, G1½, 1 NPT, 1½ NPT Flange: DN80…200; 3…8”, 80…200 A |
Gasket | FKM/FPM, EPDM, Kalrez® 6375 |
Ambient temperature | –40…+80°C; –40…+176°F |
Process temperature | –50…+130°C; –58…+266°F |
Process pressure | –1…16 barg; –14,5…232 psig |
Power supply / x-wire | 12…30 V DC (Ex i), 16…36 V DC (Ex d), 2-wire |
Output | 2-wire: 4…20 mA (HART® 7), FOUNDATION™ Fieldbus**, PROFIBUS PA** |
Accessories | antenna extensions, slanted flange, purging system, weather protection, OPTIWAVE 6300 process connection adaptor, mounting brackets |
Approvals | ATEX, IECEx, cQPSus (IS/NI), cQPSus (XP)**, NEPSI**, EAC**, CRN – ASME B31.3** |
SIL approval | Developed acc. to SIL 2/3, IEC 61508 – 2010. The SIL approval is in the process of validation by TÜV Süd, Germany. |
* Antenna installation: LPR (Level Probing Radar): The antenna can be installed in a closed tank as well as outside. The antenna needs to point downwards and location restrictions apply (Radio Astronomy Station). TLPR (Tank Level Probing Radar): The antenna must be installed in a closed tank.
** Available by the 2nd quarter of 2018 at the latest
OPTIWAVE 6500 (80 GHz)
for powders and dusty atmosphere
Frequency range | W-band / 80 GHz |
Measurable products | powders |
Dielectric constant Ɛr | ≥1,4 (TBF 1,1) |
Measuring range | 0…100 m; 0…328 ft |
Accuracy | ±2 mm; ±0,08” |
Repeatability | ±1 mm; ±0,04” |
Converter version | C (compact), F (field remote)** |
Housing material | Aluminium, 316L**, Deep drawn 316L** |
Ingress protection | IP66/68 0,1 barg; 1,45 psig |
Antenna installation* | LPR |
Antenna type (material), size (beam angle) | Lens (PEEK) DN40; 1.5” (8°), DN70; 2.75” (4°) |
Process connection | Thread: G1½, G3, 1½ NPT, 3 NPT Flange: DN50…200; 2…8”, 50…200 A |
Gasket | FKM/FPM, EPDM, Kalrez® 6375 |
Ambient temperature | –40…+80°C; –40…+176°F |
Process temperature | –50…+150°C; –58…+302°F, –50…+200°C; –58…+392°F** |
Process pressure | –1…40 barg; –14,5…580 psig |
Power supply / x-wire | 12…30 V DC (Ex i), 16…36 V DC (Ex d), 2-wire |
Output | 2-wire: 4…20 mA (HART® 7), FOUNDATION™ Fieldbus**, PROFIBUS PA** |
Accessories | antenna extensions, slanted flange, purging system, weather protection, mounting brackets |
Approvals | ATEX, IECEx, cQPSus (IS/NI), cQPSus (XP)**, NEPSI**, EAC**, CRN – ASME B31.3** |
SIL approval | Developed acc. to SIL 2/3, IEC 61508 – 2010. The SIL approval is in the process of validation by TÜV Süd, Germany. |
* Antenna installation: LPR (Level Probing Radar): The antenna can be installed in a closed tank as well as outside. The antenna needs to point downwards and location restrictions apply (Radio Astronomy Station). TLPR (Tank Level Probing Radar): The antenna must be installed in a closed tank.
** Available by the 2nd quarter of 2018 at the latest
SURGEPROTECT SP-F
Surge protection directly at the measuring head
SURGEPROTECT SP-F / EX(I)-24DC and SP-F / 1X2-24DC are surge protective devices for all common standard signals that are directly attached to any sensor head via their connecting threads.