Specs at a glance
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Accuracy
+/- 2 mm (0,08")
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Process temperature
-40…+80°C (-40…+176°F)
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Process pressure / max. overpressure limit
-1…3 bar (-14,5…43 psi)
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Max. measurement distance
DN40: 15 m (49.2 ft),
DN80: 20 m (65.6 ft) -
Main wetted parts
PVDF, PBT
Field of application
Micropilot FMR20 offers continuous non-contact level and flow (via linearization table) measurement and is a perfect application fit for the water & wastewater industry and utilities across all industries. Commissioning is possible via HART or wireless via app using Bluetooth® or with remote display.
Signal curves can be shown via app on every Bluetooth®-enabled smartphone/tablet (iOS, Android). With the compact design, thanks to unique chip, the device is ideal for limited space applications.
Radar for continuous level measurement and flow measurement (with open channels or weirs, via linearization table).
Process connections: Threads, flange versions
Process temperature: -40 to +80°C (-40 to +176°F)
Process pressure: -1 to +3bar (-14.5 to +43psi)
Max. measuring range: Liquids 20m (66ft), Solids 10m (33ft)
Accuracy: Liquids ±2mm (0.08"), Solids ±5mm (0.2")
Measuring frequency: 26GHz
International explosion protection certificates
Benefits
Non-contact radar with commissioning via HART or wireless via Bluetooth® app or with remote display
Most compact radar due to unique radar chip design offering perfect fit in limited space applications
Best price-performance-ratio radar
Perfect application fit for water & wastewater, mining, minerals & metals as well as utilities in all industries (IP66, 68 / NEMA4x, 6P)
Full PVDF body to resist outdoor conditions, sealed wiring and fully potted electronics eliminates water ingress and allows operation under harsh environmental conditions
Easy setup with three main parameters suits for most applications
Simple, safe and secure wireless remote access via Bluetooth® – even in hazardous areas or places difficult to reach
Videos
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Commissioning of Micropilot FMR20
Lean selection
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
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Measuring principle
Level radar
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Characteristic / Application
Water & Wastewater (e.g. basins / channels / rivers / dams / lift stations / storm water basins / pump control)
Utility applications in all industries
Storage tanks -
Specialities
Bluetooth® commissioning,
Operation and maintenance SmartBlue App -
Supply / Communication
2-wire (HART, 4…20 mA, Modbus),
Bluetooth® wireless technology and App (optional) -
Frequency
K-band (~26 GHz)
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Accuracy
+/- 2 mm (0,08")
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Ambient temperature
-40…+80°C (-40…+176°F)
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Process temperature
-40…+80°C (-40…+176°F)
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Process pressure / max. overpressure limit
-1…3 bar (-14,5…43 psi)
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Main wetted parts
PVDF, PBT
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Process connection
Thread:
G1", NPT1"; G1 1/2", NPT1 1/2", G2", NPT2",
Flange:
UNI DN80….DN150 (3"…6") -
Max. measurement distance
DN40: 15 m (49.2 ft),
DN80: 20 m (65.6 ft) -
Communication
4...20mA HART
Modbus
Bluetooth® wireless technology -
Certificates / Approvals
ATEX, CSA C/US, IEC Ex, NEPSI, EAC, JPN Ex, INMETRO
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Options
Remote operation via SmartBlue App using Bluetooth®,
Remote HART indicator RIA15 in order structure,
Flooding protection tube,
Different mounting possibilities -
Application limits
FMR5x;
Ammoniacal gas phase:
FMR54 in stilling well;
Strong build-up formation:
FMR54 with air purge;
Only PTFE resistant:
FMR52;
Custody transfer measurement:
FMR5xx or NMR8x
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Measuring principle
Level radar solid
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Characteristic / Application
For simple applications:
Reliable non-contact level measurements in silos or storage tanks for bulk solids -
Specialities
Bluetooth® commissioning,
Operation and maintenance SmartBlue App -
Supply / Communication
2-wire (HART, 4…20 mA, Modbus),
Bluetooth® wireless technology and App (optional) -
Frequency
K-band (~26 GHz)
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Antenna
80 mm/ 3"
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Accuracy
Liquids: +/- 2 mm (0,08")
Solids. +/- 5 mm (0.2") -
Ambient temperature
-40…+80°C (-40…+176°F)
-
Process temperature
-40…+80°C (-40…+176°F)
-
Process pressure / max. overpressure limit
-1…3 bar (-14,5…43 psi)
-
Main wetted parts
PVDF, PBT
-
Process connection
Thread:
G1", NPT1";
Flange:
UNI DN80….DN150 (3"…6") -
Max. measurement distance
Liquids: 20 m (66.6 ft)
Solids: 10 m (32.8 ft) -
Communication
4...20 mA HART
Modbus
Bluetooth® wireless technology -
Options
Remote operation via SmartBlue App using Bluetooth®,
Remote HART indicator RIA15 in order structure,
Flooding protection tube,
Different mounting possibilities -
Application limits
DK < 2
Reduction of the max. possible measuring range through:
Media with poor reflection properties
Angle of repose
Extremely loose surfaces of bulk solids, e.g. bulk solids with low bulk weight for pneumatic filling
Build-up, above all of moist products
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Technical Information (TI)
Micropilot FMR20 HART
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Technical Information (TI)
Polish version - 08/2021New version available in EnglishRadarowa sonda poziomu
Do materiałów sypkichLanguage:
Polish
Version:
02/08/2021
File size:
3 MB
File name:
TI01591FPL_0221-00.pdf
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Operating Instruction (BA)
BA Micropilot FMR20 MODBUS RS485
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Operating Instruction (BA)
Russian version - 03/2020New version available in EnglishУровнемер микроволновый бесконтактный
Language:
Russian
Version:
30/03/2020
File size:
1.9 MB
File name:
BA01931FRU_0320-00.pdf
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Installation Instructions (EA)
EA UNI slip-on flange DN 100/100 (4"), 80 mm antenna, DN 150/150 (6"), 100 mm antenna, DN 150/150 (6"), 80 mm antenna
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Installation Instructions (EA)
English version - 10/2025New version available in EnglishMicropilot FMR20, FMR50, FMR56
EN 10/10/202525/08/2016Language:
English
Version:
10/10/2025
File size:
472.9 KB
File name:
EA01181FEN_0225-00.pdf
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Ex Safety Instruction (XA)
XA Micropilot FMR20
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Ex Safety Instruction (XA)
Chinese version - 01/2024New version available in English4-20 mA HART、Modbus RS485
Ex ia IIC T4...T1 Ga
Ex ia IIC T4...T1 Ga/GbLanguage:
Chinese
Version:
31/01/2024
File size:
1.1 MB
File name:
XA01577FZH_0424-00.pdf
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Ex Safety Instruction (XA)
XA Micropilot FMR20
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Ex Safety Instruction (XA)
Japanese version - 01/2024New version available in English4-20 mA HART, Modbus RS485
Ex ia IIC T4...T1 Ga
Ex ia IIC T4...T1 Ga/GbLanguage:
Japanese
Version:
31/01/2024
File size:
1.1 MB
File name:
XA01835FJA_0324-00.pdf
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Ex Safety Instruction (XA)
XA Micropilot FMR20
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Ex Safety Instruction (XA)
Slovenian version - 01/2024New version available in English4-20 mA HART, Modbus RS485
ATEX, IECEx:
Ex ia IIC T4 Ga
Ex ia IIC T4 Ga/GbEN 31/01/2024Language:
Slovenian
Version:
31/01/2024
File size:
391.2 KB
File name:
XA01443FSL_0624-00.pdf
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PU (Publication)
Transmisores de nivel radar para la medida de nivel Transmisores de nivel radar digital +
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PU (Publication)
Spanish version - 01/2024New version available in EnglishTransmisores de nivel radar para la medida de nivel
Transmisores de nivel radar digital +Language:
Spanish
Version:
24/01/2024
File size:
1 MB
File name:
PU01461F00ES0224.pdf
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Fields of Activities (FA)
Level measurement
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Fields of Activities (FA)
English version - 03/2026New version available in EnglishProduct overview for applications in liquids and bulk solids
Language:
English
Version:
06/03/2026
File size:
35.8 MB
File name:
FA00001F00EN2726.pdf
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Fields of Activities (FA)
レベル計 総合カタログ
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Fields of Activities (FA)
Japanese version - 12/2025New version available in English液体および粉体アプリケーション向けレベル計・レベルスイッチ
Language:
Japanese
Version:
23/12/2025
File size:
33.9 MB
File name:
FA00001FJA_2625_Level meter comprehensive catalog.pdf
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Fields of Activities (FA)
Füllstandsmesstechnik
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Fields of Activities (FA)
German version - 10/2022New version available in EnglishProduktübersicht für Anwendungen in Flüssigkeiten und Schüttgütern
Language:
German
Version:
14/10/2022
File size:
10.6 MB
File name:
FA00001F00DE2522.pdf
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