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Endress+Hauser Micropilot FMR20B Technical Information
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Endress+Hauser Micropilot FMR20B Technical Information

Endress+Hauser Micropilot FMR20B Technical Information

Free-space radar hart
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TI01796F/00/EN/03.24-00
71687478
2024-12-09
Products
Technical Information
Micropilot FMR20B
Free-space radar
HART
Level measurement in liquids and bulk solids
Application
• Continuous, non-contact level measurement of liquids and bulk solids
• Degree of protection: IP66/68 / NEMA Type 4X/6P
• Maximum measuring range up to 30 m (98 ft)
• Process temperature: –40 to 80 °C (–40 to 176 °F)
• Process pressure: –1 to 3 bar (–14 to 43 psi)
• Accuracy: Up to ± 2 mm (0.08 in)
• International explosion protection certificates
Your benefits
• LED indicator for fast status detection
• Easy, guided commissioning with intuitive user interface
• Radar measuring device with Bluetooth® wireless technology and HART
communication
• Easy, reliable and encrypted wireless remote access – ideal for difficult-to-reach
installations, even in hazardous areas
• Commissioning, operation and maintenance via free iOS/Android app SmartBlue –
saves time and reduces costs
• Flow measurement in open channels or weirs with totalizer
Solutions
Services

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Summary of Contents for Endress+Hauser Micropilot FMR20B

  • Page 1 Products Solutions Services TI01796F/00/EN/03.24-00 71687478 2024-12-09 Technical Information Micropilot FMR20B Free-space radar HART Level measurement in liquids and bulk solids Application • Continuous, non-contact level measurement of liquids and bulk solids • Degree of protection: IP66/68 / NEMA Type 4X/6P •...
  • Page 2 Micropilot FMR20B HART Table of contents About this document ......4 Environment ......25 Symbols .
  • Page 3 Micropilot FMR20B HART UNI slip-on flange 6"/DN150/150, PP ....51 UNI flange 2"/DN50/50, PP ..... . 52 UNI flange 3"/DN80/80, PP .
  • Page 4 Micropilot FMR20B HART About this document Symbols Safety symbols DANGER This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in serious or fatal injury. WARNING This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious or fatal injury.
  • Page 5 Micropilot FMR20B HART The term "operating tool" is used in place of the following operating software: • FieldCare / DeviceCare, for operation via HART communication and PC • SmartBlue app, for operation using an Android or iOS smartphone or tablet...
  • Page 6 Micropilot FMR20B HART ∆f = k ∆t where ∆t is the run time and k is the specified increase in frequency modulation. ∆t is given by the distance D between the reference point R and the product surface: D = (c ∆t) / 2 where c is the wave velocity.
  • Page 7 Micropilot FMR20B HART Maximum measuring range The maximum measuring range depends on the antenna size. Antenna Maximum measuring range 40 mm (1.5 in) 20 m (65.6 ft) 80 mm (3 in) 30 m (98.4 ft) Usable measuring range The usable measuring range depends on the antenna size, the medium' s reflective properties, the installation position and any possible interference reflections.
  • Page 8 • Relative permittivity (ε value), Compendium CP01076F • The Endress+Hauser "DC Values app" (available for Android and iOS) Measurement in storage vessel Storage vessel - measuring conditions Calm medium surface (e.g. bottom filling, filling via immersion tube or rare filling from above)
  • Page 9 Micropilot FMR20B HART 40 mm (1.5 in) antenna in storage vessel Media group Measuring range A (ε 1.4 to 1.9) 10 m (33 ft) B (ε 1.9 to 4) 20 m (65.6 ft) C (ε 4 to 10) 20 m (65.6 ft) D (ε...
  • Page 10 Micropilot FMR20B HART 80 mm (3 in) antenna in buffer vessel Media group Measuring range A (ε 1.4 to 1.9) 7.5 m (25 ft) B (ε 1.9 to 4) 15 m (49 ft) C (ε 4 to 10) 28 m (92 ft) D (ε...
  • Page 11 Micropilot FMR20B HART Transmission power • Peak power: <1.5 mW • Average output power: <70 µW Output Output signal • 4 to 20 mA with superimposed digital communication protocol HART, 2-wire • The current output offers a choice of three different operating modes: •...
  • Page 12 Micropilot FMR20B HART Linearization tables for calculating the volume in the following vessels are pre-programmed into the device: • Pyramid bottom • Conical bottom • Angled bottom • Horizontal cylinder • Sphere Linearization tables for calculating the flow rate are pre-programmed into the device and include the following: •...
  • Page 13 Micropilot FMR20B HART • Sensor temperature • Absolute echo amplitude • Relative echo amplitude • Area of incoupling • Percent of range • Loop current • Flow • Totalizer value • Not used Supported functions • Burst mode • Additional transmitter status •...
  • Page 14 Micropilot FMR20B HART A0028908  4 Function diagram of HART connection Device with HART communication HART resistor Power supply The HART communication resistor of 250 Ω in the signal line is always necessary in the case of a low-impedance power supply.
  • Page 15 Micropilot FMR20B HART Connection of the HART device and RIA15 with backlighting A0019568  6 Function diagram of HART device with RIA15 process indicator with light Device with HART communication Power supply HART resistor Function diagram of HART device, RIA15 display with operation, with communication resistor The voltage drop to be taken into account is: Max.
  • Page 16 Micropilot FMR20B HART As per IEC 60079-11 section 9.4.4, the cable is designed for a tensile strength of 30 N (6.74 lbf) (over a period of 1 h). The device is available in cable lengths of 5 m (16 ft), 10 m (32 ft), 15 m (49 ft), 20 m (65 ft), 30 m (98 ft) and 50 m (164 ft).
  • Page 17 Micropilot FMR20B HART Non-repeatability Non-repeatability is already included in the accuracy. ≤ 1 mm (0.04 in) If conditions deviate from the reference operating conditions, the offset/zero point that results from the installation conditions can be up to ±4 mm (±0.16 in). This additional offset/zero point can be eliminated by entering a correction (Level correction parameter) during commissioning.
  • Page 18 Micropilot FMR20B HART Differing values in near-range applications for solids ∆ [mm (in)] 20 (0.79) 4 (0.16) -4 (-0.16) -20 (-0.79) D [m ( )] 0.8 (2.6) A0055386  10 Maximum measurement error in near-range applications Δ Maximum measurement error...
  • Page 19 Micropilot FMR20B HART Installation Installation types A0055150  11 Wall or ceiling mounting Wall mounting adjustable Tightened at antenna end process connection Tightened at cable entry from above process connection Wall mounting with cable entry from above process connection Rope mounting with cable entry at the side...
  • Page 20 Micropilot FMR20B HART Mounting location A0055811 Use of a weather protection cover; protection from direct sunlight or rain Installation in the center, interference can cause incorrect signal evaluation Do not install above the filling curtain Orientation Internal vessel fittings α...
  • Page 21 Micropilot FMR20B HART A0055399  12 Nozzle installation 40 mm (1.5 in) antenna 80 mm (3 in) antenna The maximum nozzle length L depends on the nozzle diameter D. Please note the limits for the diameter and length of the nozzle.
  • Page 22 Micropilot FMR20B HART Antenna 40 mm (1.5 in), α = 8 ° W = D × 0.14 5 m (16 ft) 0.70 m (2.29 ft) 10 m (33 ft) 1.40 m (4.58 ft) 15 m (49 ft) 2.09 m (6.87 ft) 20 m (66 ft) 2.79 m (9.16 ft)
  • Page 23 Micropilot FMR20B HART A0055202  15 Function of flooding protection tube Air pocket O-ring (EPDM) seal Max. level The tube is screwed directly onto the sensor and seals off the system by means of an O-ring making it air-tight. In case of flooding, the air cushion formed within the sleeve guarantees precise detection of the maximum fill level, located directly at the sleeve' s end.
  • Page 24 Micropilot FMR20B HART Rope mounting A0055397  17 Installation with rope mounting Mounting bracket adjustable for 40 mm (1.5 in) antenna, rope mounting Mounting bracket adjustable for 80 mm (3 in) antenna, rope mounting Align the antenna so that it is perpendicular to the product surface.
  • Page 25 Micropilot FMR20B HART A0055398  19 Pivotable and adjustable cantilever with wall bracket (e.g. to align the device with the center of a flume) NOTICE There is no conductive connection between the mounting bracket and transmitter housing. Electrostatic charging possible.
  • Page 26 • Contact Endress+Hauser for lower ε values For bulk solids ε ≥ 1.6 For applications with a lower relative permittivity than indicated, contact Endress+Hauser. For the relative permittivity values (ε values) of many media commonly used in industry, please refer to: • Relative permittivity (ε...
  • Page 27 Micropilot FMR20B HART Mechanical construction Dimensions 40 mm (1.5 in) antenna, cable entry from above 77 (3.03) 38.3 (1.51) A0055109  21 Dimensions; 40 mm (1.5 in) antenna with cable entry from above. Unit of measurement mm (in) Reference point of the measurement...
  • Page 28 Micropilot FMR20B HART 80 mm (3 in) antenna, cable entry from above 77 (3.03) 61.4 (2.42) A0055111  23 Dimensions; 80 mm (3 in) antenna with cable entry from above. Unit of measurement mm (in) Reference point of the measurement Antenna end process connection, without;...
  • Page 29 Micropilot FMR20B HART Counter nut, cable entry from above process connection G 1" 41 mm A0028419  25 Dimensions; counter nut, cable entry from above process connection. Unit of measurement mm (in) Seal • The counter nut with seal (EPDM) is included in the scope of delivery •...
  • Page 30 Micropilot FMR20B HART Operability Operation concept Operator-oriented menu structure for user-specific tasks • User guidance • Diagnosis • Application • System Quick and safe commissioning • Interactive wizard with graphical interface for guided commissioning in FieldCare/DeviceCare or SmartBlue app • Menu guidance with brief descriptions of the individual parameter functions...
  • Page 31 Prerequisite • Device with Bluetooth order option • Smartphone or tablet with Endress+Hauser SmartBlue app or PC with DeviceCare from version 1.07.07 or FieldXpert SMT70/SMT77 The connection has a range of up to 25 m (82 ft). The range can vary depending on environmental conditions such as attachments, walls or ceilings.
  • Page 32 Micropilot FMR20B HART Certificates and approvals Current certificates and approvals for the product are available at www.endress.com on the relevant product page: Select the product using the filters and search field. Open the product page. Select Downloads. Radio standard EN 302729 The devices are approved for unrestricted use inside and outside closed containers in countries of the EU and the EFTA.
  • Page 33 Micropilot FMR20B HART Country Name of the station Latitude Longitude Spain Yebes 40° 31'   27" North 03° 05'   22" West Robledo 40° 25'   38" North 04° 14'   57" West Hungary Penc 47° 47'   22" North 19° 16'   53" East As a general rule, the requirements outlined in EN 302729 must be observed.
  • Page 34 • Automatic verification of exclusion criteria • Automatic creation of the order code and its breakdown in PDF or Excel output format • Ability to order directly in the Endress+Hauser Online Shop Identification Measuring point (TAG) The device can be ordered with a tag name.
  • Page 35 Micropilot FMR20B HART Application packages The application package can be ordered together with the device or can be activated subsequently with an activation code. Detailed information on the relevant order code is available from the website www.endress.com or from the Endress +Hauser Sales Center.
  • Page 36 Micropilot FMR20B HART Order code 71662413 Weather protective cover for The sensor is not completely covered in the case of the 40 mm (1.5 in) antenna or the 80 mm (3 in) antenna. device with cable entry at side 107.6 (4.24) 112.8 (4.44)
  • Page 37 Micropilot FMR20B HART G2 " DIN ISO 228 A0029101  32 Dimensions of securing nut. Unit of measurement mm (in) Material Order code 52000598 Uni adapter G 1½">G 2" Temperature range –40 to 45 °C (–40 to 113 °F) 40 (1.57) A0055848 ...
  • Page 38 Micropilot FMR20B HART 39.1 (1.56) A0055847  34 Dimensions of Uni adapter Material Order code 71666515 Flooding protection tube Suitable for use with devices with a 40 mm (1.5 in) antenna and G 1½" antenna end thread process connection 40 mm (1.5 in) 60 (2.36)
  • Page 39 Micropilot FMR20B HART 138 (5.43) 97.3 (3.83) A0031094  36 Flooding protection tube dimensions 80 mm (3 in). Unit of measurement mm (in) Material PBT/PC Order code 71662270 Mounting bracket, The mounting bracket can be used for mounting on a wall, a rope or a ceiling.
  • Page 40 Micropilot FMR20B HART Antenna end process connection G 1½"/NPT 1½" 92.5 (3.64) 75 (2.95) 70 (2.76) 9 (0.35) 12 (0.47) 9 (0.35) A0055372  38 Dimensions of mounting bracket. Unit of measurement mm (in) Consists of: • 1 × mounting bracket, 316L (1.4404) •...
  • Page 41 Micropilot FMR20B HART Antenna end process connection G 1½"/NPT 1½" 217.5 (8.56) 200 (7.87) 70 (2.76) 9 (0.35) 12 (0.47) 9 (0.35) A0055373  40 Dimensions of mounting bracket. Unit of measurement mm (in) Consists of: • 1 × mounting bracket, 316L (1.4404) •...
  • Page 42 Micropilot FMR20B HART Cantilever, pivotable Installation type sensor cable entry process connection A0028885  42 Installation type sensor cable entry process connection Installation with cantilever and wall bracket Installation with cantilever and mounting frame Cantilever Wall bracket Mounting frame 500 mm cantilever with pivot, sensor cable entry process connection 585 (23) 35 (1.4)
  • Page 43 Micropilot FMR20B HART 1 000 mm cantilever with pivot, sensor cable entry process connection 1085 (42.7) 35 (1.4) 300 (11.8) 75 (2.9) 75 (2.9) 100 (3.9) 750 (29.5) 35 (1.4) A0037807  44 Dimensions of 1 000 mm cantilever with pivot, for sensor cable entry process connection. Unit of...
  • Page 44 Micropilot FMR20B HART 500 mm cantilever with pivot, sensor antenna end process connection G 1½" 585 (23) 35 (1.4) 200 (7.87) 75 (2.9) 75 (2.9) 100 (3.9) 250 (9.84) 35 (1.4) A0037802  46 Dimensions of 500 mm cantilever with pivot, for sensor antenna end process connection G 1½". Unit of...
  • Page 45 Micropilot FMR20B HART Weight: 4.4 kg (9.7 lb) Material 316L (1.4404) Order code 71452319 • 50 mm (2.17 in) openings for all G 1½" or MNPT 1½" antenna end thread process connections • 22 mm (0.87 in) opening can be used for any additional sensor •...
  • Page 46 Micropilot FMR20B HART Mounting stand, 1 400 mm (55.1 in) for cantilever with pivot 3.2 (0.13) 60 (2.36) ø33.7 (1.3) 4 (0.16) 20 (0.8) 55 (2.17) 109 (4.29) (3.94) 130 (5.12) 150 (5.91) A0037800  49 Dimensions. Unit of measurement mm (in) Weight: 6 kg (13.23 lb)
  • Page 47 Micropilot FMR20B HART Pivotable mounting bracket The pivotable mounting bracket is used, for example, to install the device in a manhole over a sewer channel. 100 (3.94) 6.8 (0.27) 177 (6.97) 358 (14.1) A0038143  51 Dimensions of pivotable mounting bracket. Unit of measurement mm (in) 34 mm (1.34 in) openings for all G 1"...
  • Page 48 Micropilot FMR20B HART 15° 15° (0.39) <360 NPT ¾ (14.2) NPT 1 70 (2.76) 500 (19.7) (0.8) (1.18) 19 (0.75) A0045330  52 Dimensions. Unit of measurement mm (in) Welding flange UNI flange Material • Flange: 304 • Pipe: Steel, galvanized •...
  • Page 49 Micropilot FMR20B HART UNI slip-on flange 3"/ 107.6 (4.24) DN80/80, PP 115.6 (4.55) 156.2 (6.15) 200 (7.87) A0055501  53 Dimensions of UNI slip-on flange 3"/DN80/80. Unit of measurement mm (in) Sensor connection in accordance with the product structure "Antenna end process connection; without;...
  • Page 50 Micropilot FMR20B HART UNI slip-on flange 4"/ DN100/100, PP 98 (3.86) 175 (6.89) 190.5 (7.5) 228.6 (9.0) A0055502  54 Dimensions of UNI slip-on flange 4"/DN100/100. Unit of measurement mm (in) Sensor connection in accordance with the product structure "Antenna end process connection; without;...
  • Page 51 Micropilot FMR20B HART UNI slip-on flange 6"/ DN150/150, PP 98 (3.86) 240 (9.45) 241.3 (9.5) 285 (11.2) A0055503  55 Dimensions of UNI slip-on flange 6"/DN150/150. Unit of measurement mm (in) Sensor connection in accordance with the product structure "Antenna end process connection; without;...
  • Page 52 Micropilot FMR20B HART UNI flange 2"/DN50/50, PP 120 (4.72) 125 (4.92) 165 (6.5) A0037946  56 Dimensions of UNI flange 2"/DN50/50. Unit of measurement mm (in) Sensor connection in accordance with the product structure "Antenna end process connection" Material Order code...
  • Page 53 Micropilot FMR20B HART UNI flange 3"/DN80/80, PP 150 (5.91) 160 (6.3) 200 (7.87) A0037947  57 Dimensions of UNI flange 3"/DN80/80. Unit of measurement mm (in) Sensor connection in accordance with the product structure "Antenna end process connection" or "Cable entry process connection"...
  • Page 54 Micropilot FMR20B HART UNI flange 4"/DN100/100, 175 (6.89) 190.5 (7.5) 228.6 (9.0) A0037948  58 Dimensions of UNI flange 4"/DN100/100. Unit of measurement mm (in) Sensor connection in accordance with the product structure "Antenna end process connection" or "Cable entry process connection"...
  • Page 55 Micropilot FMR20B HART Adjustable flange seal The adjustable flange seal is used to align the sensor. ød øD A0045324  59 Dimensions Technical data: version DN/JIS Order code 71074263 71074264 71074265 Compatible with DN80 PN10/40 DN100 PN10/16 • DN150 PN10/16 •...
  • Page 56 Micropilot FMR20B HART RIA15 in the field housing 131 (5.16) 55.5 (2.19) mm (in) A0017722  60 Dimensions of RIA15 in the field housing. Unit of measurement mm (in) The remote display RIA15 can be ordered with or without operation via the product structure "Accessory enclosed".
  • Page 57 For an overview of the scope of the associated Technical Documentation, refer to the following: • Device Viewer (www.endress.com/deviceviewer): Enter the serial number from the nameplate • Endress+Hauser Operations app: Enter serial number from nameplate or scan matrix code on nameplate. Endress+Hauser...
  • Page 58 Android, Google Play and the Google Play logo are trademarks of Google Inc. Bluetooth® The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Endress+Hauser is under license. Other trademarks and trade names are those of their respective owners. HART®...
  • Page 60 *71687478* 71687478 www.addresses.endress.com...