Name: Micropilot FMR20B
Brand: Endress+Hauser
Availability: InStock

Micropilot FMR20B - radar sensor for basic applications

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Simple and efficient level measurement in liquids and solids

Micropilot FMR20B, 40 mm antenna, lateral cable outlet

Micropilot FMR20B, 80mm antenna, slip on flange

Micropilot FMR20B, 40 mm antenna, flooding protection tube

Commissioning in 5 simple steps

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Micropilot FMR20B - radar sensor for basic applications

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Simple and efficient level measurement in liquids and solids

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Benefits

Fast commissioning and operation thanks to guided setup sequences (wizards)
Bluetooth connectivity enables easy, reliable and encrypted wireless remote access
Device identification during Bluetooth connection thanks to “It’s me-function” (LED flashing) and status indication via LED
Simple device selection thanks to clear segmentation and easy configuration
Heartbeat Technology allows on-demand verification and diagnostics guided through the wizard without process interruption

Services and resources

Product Support Product documentation, troubleshooting articles, device details and more.

FLEXible answers to individual needs

Current product

Micropilot FMR20B - radar sensor for basic applications

Standard products
Reliable, robust and low-maintenance

What is FLEX?

FLEX selections

Technical excellence

Simplicity

Fundamental selection Meet your basic measurement needs

Lean selection Handle your core processes easily

Extended selection Optimize your processes with innovative technologies

Xpert selection Master your most challenging applications

Variable

Learn more about the FLEX selections

Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

Have questions about this product?

Selection of compatible products

FlexView FMA90 - control unit for level and flow measurement

Seamless integration with modern connectivity and dual sensor support for a wide range of applications

Product picture loop-powered indicator RIA15

RIA15 process indicator

Loop-powered Ex ia process indicator as field or control panel device for 4 to 20 mA signals or HART®protocol

Alignment device TTP FAU40

Aiming ultrasonic sensors for optimum echo signal in separate version. Usage: FDU-sensors. Also for use in ATEX II 1/2D.

RN22 intrinsically safe isolating barrier, power supply and signal doubler for hazardous areas

RN22 active barrier

Active barrier, 1/2-channel/SD for 4 to 20 mA, HART® transparent with 24 V DC as well as active/passive input and output, optionally with SIL and Ex

Product picture process transmitter RMA42

RMA42 process transmitter with control unit

4-wire process transmitter with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval

Spare parts and accessories

further parts

Flat gasket EPDM 47x58x2, 5 pieces

further parts

Order code 71107559

Drawing number 57

further parts

Counter nut G1", PA

further parts

Order code 71693241

further parts

Hexagon nut (SW70) G2, bk, PC

further parts

Order code 52000598

further parts

Mounting nut G1-1/2, PC

further parts

Order code 52014146

Spare parts & accessories

The simpler, the better: Micropilot FMR10B, FMR20B and FMR30B

All the advantages of our new Micropilot FMR10B, FMR20B and FMR30B for Water, Wastewater & Waste, Mining, Minerals and Metals and utilities across all industries.

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Choose from our suggested options

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Use the extended configuration to configure from all available options.

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Configuration details

Micropilot-FMR20B

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CAD Drawings

Configuration support

Spare parts and accessories

further parts

Flat gasket EPDM 47x58x2, 5 pieces

further parts

Order code 71107559

Drawing number 57

further parts

Counter nut G1", PA

further parts

Order code 71693241

further parts

Hexagon nut (SW70) G2, bk, PC

further parts

Order code 52000598

further parts

Mounting nut G1-1/2, PC

further parts

Order code 52014146

Spare parts & accessories

Selection of compatible products

FlexView FMA90 - control unit for level and flow measurement

Seamless integration with modern connectivity and dual sensor support for a wide range of applications

RIA15 process indicator

Loop-powered Ex ia process indicator as field or control panel device for 4 to 20 mA signals or HART®protocol

Alignment device TTP FAU40

Aiming ultrasonic sensors for optimum echo signal in separate version. Usage: FDU-sensors. Also for use in ATEX II 1/2D.

RN22 active barrier

Active barrier, 1/2-channel/SD for 4 to 20 mA, HART® transparent with 24 V DC as well as active/passive input and output, optionally with SIL and Ex

RMA42 process transmitter with control unit

4-wire process transmitter with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval

Accuracy	Liquids: +/- 2 mm (0.08") Solids: +/- 4 mm (0.16")
Process temperature	-40…+80°C (-40…+176°F)
Process pressure / max. overpressure limit	-1…3 bar (-14,5…43 psi)
Max. measurement distance	30m (98.4 ft)
Main wetted parts	PVDF, PBT/PC
Measuring principle	Level radar
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 Heartbeat Verification
Supply / Communication	2-wire (HART, 4…20 mA) Bluetooth® wireless technology and App (optional)
Frequency	W-Band (~80 Ghz)
Ambient temperature	-40…+80°C (-40…+176°F)
Process connection	Thread: G1", NPT1"; G1-1/2", NPT1-1/2" Flange: UNI flange 2“, 3“, 4“ UNI slip on flange 3“, 4“, 6“
Communication	4...20 mA HART Bluetooth® wireless technology
Certificates / Approvals	ATEX, C/US, EAC Ex, JPN Ex, KC Ex, INMETRO Ex, NEPSI Ex, UK Ex
Safety approvals	Overfill protection WHG
Hygienic approvals	EU Food Contact Material (EC) 1935/2004 US Food Contact Material FDA CFR 21
Marine approval	ABS, LR, BV, DNV
Drinking water approvals	NSF/ANSI 61
Options	Remote operation via SmartBlue App using Bluetooth® Remote HART indicator RIA15 in order structure Flooding protection tube Different mounting possibilities
Application limits	Process temp. <-40°C (-40°F) or > 80°C (176°F) -> FMR62B Very aggressive media -> FMR62B Strong foam and interfaces --> FMP5x
Accuracy	Liquids: +/- 2 mm (0.08") Solids: +/- 4 mm (0.16")
Process temperature	-40…+80°C (-40…+176°F)
Process pressure / max. overpressure limit	-1…3 bar (-14,5…43 psi)
Max. measurement distance	30m (98.4 ft)
Main wetted parts	PVDF, PBT/PC
Measuring principle	Level radar solid
Characteristic / Application	For simple applications: Reliable, non-contact measurement of levels in silos or storage tanks for bulk solids
Specialities	Bluetooth® commissioning Operation and maintenance SmartBlue App Heartbeat Verification
Supply / Communication	2-wire (HART, 4…20 mA) Bluetooth® wireless technology and App (optional)
Frequency	W-Band (~80 Ghz)
Antenna	40 mm/ 1-1/2" 80 mm/ 3"
Ambient temperature	-40…+80°C (-40…+176°F)
Process connection	Thread: G1", NPT1"; G1-1/2", NPT1-1/2" Flange: UNI flange 2“, 3“, 4“ UNI slip on flange: 3“, 4“, 6“
Communication	4...20 mA HART Bluetooth® wireless technology
Certificates / Approvals	ATEX, C/US, EAC Ex, JPN Ex, KC Ex, INMETRO Ex, NEPSI Ex, UK Ex
Safety approvals	Overfill protection WHG
Hygienic approvals	EU Food Contact Material (EC) 1935/2004 US Food Contact Material FDA CFR 21
Marine approval	ABS, LR, BV, DNV
Drinking water approvals	NSF/ANSI 61
Options	Remote operation via SmartBlue App using Bluetooth® Remote HART indicator RIA15 in order structure Flooding protection tube Different mounting possibilities
Application limits	DK < 1.6 Reduction of the max. possible measuring range due to: Media with poor reflective properties cone of repose extremely loose surface of bulk solids, e.g. bulk solids with a low bulk density during pneumatic filling buildup, especially of moist products. Alternative for these applications: FMR67B

Micropilot FMR20B - radar sensor for basic applications

New

Micropilot FMR20B - radar sensor for basic applications

New

Micropilot FMR20B - radar sensor for basic applications

Product information

Selection of compatible products

Spare parts and accessories

Related content

The simpler, the better: Micropilot FMR10B, FMR20B and FMR30B

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

My Endress+Hauser

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Industries

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Company

Micropilot FMR20B - radar sensor for basic applications New

Micropilot FMR20B - radar sensor for basic applications New

Micropilot FMR20B - radar sensor for basic applications

Product information

Selection of compatible products

Spare parts and accessories

Related content

The simpler, the better: Micropilot FMR10B, FMR20B and FMR30B

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

Products & Services

Industries

Support

Company

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Micropilot FMR20B - radar sensor for basic applications

New

Micropilot FMR20B - radar sensor for basic applications

New