Technical Data
CompareContinuous / Liquids
| Measuring Principle | Guided radar |
| Characteristic / Application | Premium device Rod probe, Rope probe, Coaxial probe Integrated data memory, Factory precalibrated, Reliable measuring: in case of moved surface + foam, for changing medias. |
| Interface measurement | Clean interfaces liquid/ liquid; Simultaneous measurement of interface and overall level |
| Specialities | Heartbeat Technology, Bluetooth® commissioning, Operation and maintenance SmartBlue App, HistoROM, RFID TAG for easy identification |
| Supply / Communication | 2-wire (HART/ PROFIBUS PA/ FOUNDATION Fieldbus) 4-wire (HART) Bluetooth® wireless technology and App (optional) |
| Accuracy | Rod probe :+/- 2 mm (0.08 in) Rope probe 15 m (49 ft): +/- 10 mm (0.39 in) Coaxial probe: +/- 2 mm (0.08 in) |
| Ambient temperature | -50...+80 °C (-58...+176 °F) |
| Process temperature | -50...+200 °C (-58...+392 °F) |
| Process pressure / max. overpressure limit | Vacuum...40 bar (Vacuum...580 psi) |
| Main wetted parts | Rod probe: 316L, Alloy C, Ceramic Rope probe: 316, 316L, Alloy C, Ceramic Coaxial probe: 316L, Alloy C, Ceramic, PFA |
| Process connection | Thread: G3/4...G1 1/2; MNPT 3/4...MNPT1 1/2 Flange: ASME 1 1/2"...8", DN50...DN 200, JIS 10K |
| Sensor length | Rod probe: 10 m (33 ft) Rope probe: 45 m (148 ft) Coaxial probe: 6 m (20 ft) |
| Max. measurement distance | Rod: 10 m (33 ft) Min DK>1.6 Rope: 25 m...30 m (82ft...98 ft) Min DK>1.6; 30m...45 m (98ft...148 ft) Min DK>1,9 Coaxial probe: 6 m (20 ft) Min DK>1.4 |
| Communication | 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus Bluetooth® wireless technology |
| Certificates / Approvals | ATEX, FM, CSA C/US, IEC Ex, INMETRO, NEPSI, KC, EAC, JPN Ex, UK Ex |
| Safety approvals | Overfill protection WHG SIL |
| Design approvals | EN 10204-3.1 NACE MR0175, MR0103 ASME B31.1, B31.3 AD2000 |
| Marine approval | GL/ ABS/ LR/ BV/ DNV |
| Options | Sensor remote with 3 m/ 9 ft cable, Gas-tight feed through, Remote operation via SmartBlue App using Bluetooth® |
The Levelflex FMP51 is used for level measurement under extreme conditions in the process industry, such as high temperature and high pressure. Even with a fluctuating surface, foam formation or interference from obstacles inside the tank, the FMP51 maintains the most stable measured values. The Levelflex FMP51 is used for continuous level measurement and interface measurement of liquids, pastes and slurries. The measured value is unaffected by changes in the medium, temperature, gas blanket or vapor.
Benefits
Reliable measurement even under changing product or process conditions
HistoROM integrated data storage unit for fast and convenient commissioning, maintenance and diagnostics
Innovative multi-echo tracking technology for highly reliable measurement results
Hardware and software developed in accordance with IEC 61508, up to SIL3
Heartbeat Technology for efficient and safe plant operation throughout the entire life cycle
Seamless integration into control or asset management systems with an intuitive, guided operating concept (on site or via the control system)
Certified by world-renowned SIL and WHG tests, saving you time and money
Application areas
Available for rod, cable or coaxial probe measurement.
Process connection: from ¾" thread or flange
Temperature: -40 to +200 °C (-40 to +392 °F)
Pressure: -1 to +40 bar (-14.5 to +580 psi)
Maximum measuring range: rod 10 m (33 ft), cable 45 m (148 ft), coaxial probe 6 m (20 ft)
Accuracy: ±2 mm (0.08")
International explosion protection approval, WHG overflow protection, SIL, marine approval, 5-point linearity protocol
Spare Parts & Accessories 110
110 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| 71115174 | Housing filter plug 316L, GT18, 1 setConsists of: 2x filter plug metall 316L. 1x pressure compensation filter. Usage: FMP50/FMP51/FMP52/FMP53/ FMP54/FMP55/FMP56/FMP57, FMR50/FMR51/ FMR52/FMR53/FMR54/FMR56/FMR57, FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Prowirl 200. | Details |
| 71115175 | Housing Filter Plug (Brass/Nickel)Consists of: 2x filter plug brass nickel, pressure compensation filter. Usage: FMP50/FMP51/FMP52/FMP53/ FMP54/FMP55/FMP56/FMP57, FMR50/FMR51/ FMR52/FMR53/FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Promag 200, Prowirl 200. | Details |
| 71115176 | housing fixing clipUsage: housing GT18/GT19/GT20, FMP50/FMP51/FMP52/FMP53/FMP54/FMP55/ FMP56/FMP57, FMR50/FMR51/FMR52/FMR53/ FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Promag 200, Prowirl 200. | Details |
| 71110281 | Aluminum coverMaterial: 316L. O-ring, EPDM, PTFE coated. Usage: FMP51/FMP52/FMP54/FMP55/ FMP56/FMP57, FMR51/FMR52/FMR53/ FMR54/FMR57, FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Prowirl 200. | Details |
| 71110282 | Aluminum coverMaterial: 316L. O-ring NBR, PTFE coated. Usage: FMP51/FMP52/FMP54/FMP55/ FMP56/FMP57, FMR51/FMR52/FMR53/ FMR54/FMR57, FMR62/FMR67, FHX50. Usage: Promass 200/TB2, Prosonic Flow 200, Prowirl 200. | Details |
| 71110292 | Aluminum coverMaterial: plastics PBT-FR sight glas PC. O-ring EPDM, PTFE coated. Usage: FHX50, FMP50/FMP51/FMP52/ FMP53/FMP54/FMP55/FMP56/FMP57, FMR50/ FMR51/FMR52/FMR53/FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. | Details |
| 71110293 | Aluminum coverMaterial: plastics PBT, metallized. O-ring EPDM, PTFE coated. Usage: FMP50/FMP51/FMP52/FMP53/ FMP54/FMP55/FMP56/FMP57, FMR50/FMR51/ FMR52/FMR53/FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. | Details |
| 71110297 | Aluminum coverMaterial: aluminium, coated. O-ring EPDM, PTFE coated. Usage: FMP50/FMP51/FMP52/FMP53/ FMP54/FMP55/FMP56/FMP57, FMR50/FMR51/ FMR52/FMR53/FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Promag 200, Prowirl 200. | Details |
| 71110299 | Aluminum coverMaterial: aluminium, coated. O-ring EPDM, PTFE coated. Usage: FMP50/FMP51/FMP52/FMP53/ FMP54/FMP55/FMP56/FMP57, FMR50/FMR51/ FMR52/FMR53/FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Promag 200, Prowirl 200. | Details |
| 71383631 | housingMaterial: 316L. O-Ring FVMQ. Usage: FMP51/FMP54, FMR51/FMR52/FMR54. Usage: Prowirl 200. | Details |
| 71383666 | housingMaterial: 316L. O-Ring FVMQ. Usage: FMP51/FMP54, FMR51/FMR52/FMR54. Usage: Prowirl 200. | Details |
| 71383674 | housingMaterial: Alu. O-Ring FVMQ. Usage: FMP51/FMP54, FMR51/FMR52/FMR54. Usage: Prowirl 200. | Details |
| 71383675 | housingMaterial: Alu. O-Ring FVMQ. Usage: FMP51/FMP54, FMR51/FMR52/FMR54. Usage: Prowirl 200. | Details |
| 71110284 | Aluminum coverMaterial: 316L. O-ring EPDM /PTFE coated. Usage: terminal compartment Ex d/XP, FMP51/FMP52/FMP54/FMP55/FMP56/FMP57, FMR51/FMR52/FMR53/FMR54/FMR57, FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Prowirl 200. | Details |
| 71110291 | Aluminum coverMaterial: 316L. O-ring EPDM, PTFE coated. Usage: terminal compartment, not for Ex d/XP, FMP51/FMP52/FMP54/FMP55/FMP56/FMP57, FMR51/FMR52/FMR53/FMR54/FMR57, FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Prowirl 200. | Details |
| 71110295 | Aluminum coverMaterial: plastics PBT, metallized. Usage: terminal compartment, not for Ex d/XP, FMP50/FMP51/FMP52/FMP53/FMP54/FMP55/ FMP56/FMP57, FMR50/FMR51/FMR52/FMR53/ FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. | Details |
| 71110301 | Aluminum coverMaterial: aluminium, coated. O-ring EPDM, PTFE coated. Usage: terminal compartment, not for Ex d/XP, FMP50/FMP51/FMP52/FMP53/FMP54/FMP55/ FMP56/FMP57, FMR50/FMR51/FMR52/FMR53/ FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Promag 200, Prowirl 200. | Details |
| 71110302 | Aluminum coverMaterial: aluminium, coated. O-ring EPDM, PTFE coated. Usage: terminal compartment Ex d/XP, FMP50/FMP51/FMP52/FMP53/FMP54/FMP55/ FMP56/FMP57, FMR50/FMR51/FMR52/FMR53/ FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. Usage: Promass 200/TB2, Prosonic Flow 200, Promag 200, Prowirl 200. | Details |
| 71185516 | CoverMaterial: 316L. O-ring EPDM, PTFE coated. Usage: terminal compartment, for overvoltage protection, not for Ex d/XP, FMP50/FMP51/FMP52/FMP53/FMP54/FMP55/ FMP56/FMP57, FMR50/FMR51/FMR52/FMR53/ FMP54/FMP56/FMP57, FMR62/FMR67. Usage: Promass 200, Prosonic Flow 200, Prowirl 200. | Details |
| 71185517 | Aluminum coverMaterial: aluminium. O-ring EPDM, PTFE coated. Usage: terminal compartment, for overvoltage protection, not for Ex d/XP, FMP50/FMP51/FMP52/FMP53/FMP54/FMP55/ FMP56/FMP57, FMR50/FMR51/FMR52/FMR53/ FMR54/FMR56/FMR57, FMR60/FMR62/FMR67. Usage: Promass 200, Prosonic Flow 200, Promag 200, Prowirl 200. | Details |
Configurator / Comparison
Measuring principle video
Click to play12 documents · click to expand
BA Levelflex FMP51, FMP52, FMP54 HART Chinese
Levelflex FMP51, FMP52, FMP54 PROFIBUS PA 操作手册 Chinese
BA Levelflex FMP51, FMP52, FMP54 FOUNDATION Fieldbus Chinese
BA Levelflex FMP51 Modbus Chinese
BA Levelflex FMP51, FMP52, FMP54 PROFIBUS PA English
Levelflex FMP51, FMP52, FMP54 HART Operating Instructions English
Levelflex / Levelflex M Zentrierscheibe / Centering disk (PFA) Mounting Instructions English
Accessory English
Accessory English
BA Levelflex FMP51, FMP52, FMP54 FOUNDATION Fieldbus English
BA Levelflex FMP51 Modbus English
TI Levelflex FMP51, FMP52, FMP54 Chinese
Product Videos
3:30
Programming a Linearization Table for FMR5x and FMP5x
2:40
Copying Configuration from the Display into the Device with Levelflex FMP5x
1:32
Connecting to a Levelflex FMP51 Using the Commubox FXA291 and FieldCare
2:10
Configuration Backup to the Display with Levelflex FMP5x
2:39
Levelflex FMP5x: Mapping
Case Studies
Municipal Wastewater Treatment · guided wave radar — Application Case
Project Background
The project covers the inlet, biological and outlet stages of a municipal plant. The work centres on guided wave radar and the core task is level and interface measurement along a guided probe or cable.
Operating Challenges
The medium and duty are characterised by high solids and corrosive fractions, with large diurnal flow swings, and effluent parameters drift and probes foul with sludge and biofilm. So guided wave radar cannot be specified generically — it calls for choosing rod or cable by dielectric constant, range and agitation.
Solution
The Ainstru engineering team worked through the level range: level solution matched to the actual tank and silo geometry. The configuration involves choosing rod or cable by dielectric constant, range and agitation, with these requirements in view: stable compliance with Grade 1A discharge limits and online data reporting.
Results
Since start-up the system has run steadily; the practical result is works even with low-dielectric media, with a small dead zone and high accuracy.
Food & Beverage · guided wave radar — Application Case
Project Overview
The site is dosing, pasteurising, filling and CIP stages. The customer wanted guided wave radar properly configured on the existing plant, with the aim of level and interface measurement along a guided probe or cable.
Technical Challenges
What actually causes trouble is syrups, dairy and beverages that scale easily, under strict hygienic requirements, and frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles. All of this means the guided wave radar configuration has to involve choosing rod or cable by dielectric constant, range and agitation.
Configuration
Supply and installation were organised through the level range: level solution matched to the actual tank and silo geometry. On site this meant choosing rod or cable by dielectric constant, range and agitation, checked line by line against: food-safety and hygienic design per 3-A / EHEDG.
Performance
After commissioning the outcome is works even with low-dielectric media, with a small dead zone and high accuracy, and the readings are now used for process tuning.
Chemical & Pharmaceutical · guided wave radar — Application Case
Site Conditions
This is a Chemical & Pharmaceutical customer whose plant is at reactors, metering vessels and finished-product tanks. The main task was level and interface measurement along a guided probe or cable.
The Problem
The difficulty lies in highly corrosive media with solvents and crystallisation, partly in explosive atmospheres; at the same time corrosion plus Ex protection shortens instrument life and makes downtime costly. Specification therefore means choosing rod or cable by dielectric constant, range and agitation.
What We Did
We took a level range approach — level solution matched to the actual tank and silo geometry. Delivery was built around choosing rod or cable by dielectric constant, range and agitation, with point-by-point checks on: Ex certification and GMP traceability of records.
Operating Outcome
In service the system performs as intended — works even with low-dielectric media, with a small dead zone and high accuracy, with routine maintenance falling noticeably.
Power & Energy · guided wave radar — Application Case
Application Context
boiler feedwater, turbine condensate and FGD/DeNOx systems is a typical Power & Energy duty. The project started from guided wave radar , focusing on level and interface measurement along a guided probe or cable.
Process Constraints
drift under high temperature and pressure, with very costly unplanned outages, and high temperature and pressure with both steam and saline water only amplify it. The guided wave radar specification must therefore cover choosing rod or cable by dielectric constant, range and agitation.
Delivery Approach
Delivery was handled as the level range — level solution matched to the actual tank and silo geometry. Execution centred on choosing rod or cable by dielectric constant, range and agitation, together with compliance with power-industry codes and unit availability targets.
Field Results
Operation shows the benefit clearly — works even with low-dielectric media, with a small dead zone and high accuracy, with confidence in this measuring point improving markedly.
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