FMU43 Ultrasonic Transmitter Spare Parts Overview

FMU43 is an important model in the Endress+Hauser Prosonic M series of ultrasonic level transmitters, widely used for liquid and solid level measurement. To ensure long-term stable operation of the equipment, timely replacement of worn or faulty parts is essential. This article compiles a list of commonly used spare parts for FMU43 and its compatible models, including order numbers, specification descriptions, and applicable equipment, for reference by maintenance and procurement personnel.

FMU43 Ultrasonic Transmitter

Detailed Spare Parts List

The following spare parts are listed by function. All order numbers are based on original factory data to ensure compatibility. Please note that some spare parts may apply to multiple models; please verify specifications for details.

Connector and Seal Kit

Order Number Specification Applicable Models
52020763 Connector Cerabar S PMC71, PMP71/PMP75; Deltabar S PMD70/PMD75, FMD76/FMD77/FMD78; Deltapilot S FMB70
52010526 Seal kit (including O-rings and flat gaskets) Universal

Seal kit includes: 1x O-ring 113.9x3.53 EPDM, 1x O-ring 72.0x3.0 EPDM, 1x O-ring 49.21x3.53 EPDM, 1x flat gasket 47x58x2 EPDM, 1x flat gasket 59x68x2.5 EPDM, 2x O-ring 17.0x2.0 EPDM.

Housing and Cover

  • 535720-9020: Housing screw kit F12/T12/F23, including 1x set screw M5x10 and 1x fixing screw M8x10, suitable for FMR230/FMR231, FMR240/FMR244/FMR245, FMR250, FMU40/FMU41/FMU42/FMU43/FMU44.
  • 517391-0011: Aluminum cover F12/T12, coated, with gasket, material coated aluminum, O-ring EPDM, suitable for the same series models above.
  • 52005936: Aluminum cover, material aluminum, for operation and display module VU331 and housing F12/T12, suitable for Micropilot M/S, Prosonic M, Levelflex M.
  • 52006026: Terminal compartment cover, suitable for Micropilot M, Prosonic M, Levelflex M.
  • 52019062: Terminal compartment cover (for separate display), suitable for Micropilot M, Prosonic M, Levelflex M.
  • 71092209: O-ring, for cover T12/F12/F23.
FMU43 Housing Cover

Electronic Modules and Power Supply

Order Number Specification Applicable Models
52012156 Terminal module, PROFIBUS PA, FOUNDATION Fieldbus Micropilot II/M, Prosonic M, Levelflex M
52013304 Power supply, for 4-wire electronic components Levelflex M, Prosonic M
52013305 Power supply, for 4-wire electronic components Levelflex M, Prosonic M
52015585 Power supply, for 4-wire electronic components Levelflex M, Prosonic M
52015586 Power supply, for 4-wire electronic components Levelflex M, Prosonic M
71396869 Power supply module 90-250VAC (F12) v2, non-Ex, HART FMU40/FMU41/FMU42/FMU43/FMU44
71025602 Circuit board, 4-20mA, version 4.0 Prosonic M FMU40/FMU41/FMU42
71344233 Electronic module FMU4x, Ex, PA, v4.0_2, PROFIBUS PA FMU40/FMU41/FMU42/FMU43/FMU44
71462298 Module FMU4x, Ex, FF, v4.02.2, FOUNDATION Fieldbus FMU40/FMU41/FMU42/FMU43/FMU44

Display and Operation Unit

  • 52026443: Display VU331, 4-line alphanumeric display, suitable for Micropilot M, Micropilot S, Prosonic M, Levelflex M.
  • 71386715: Display VU331, version 3, alphanumeric 4-line display, suitable for FMU40/FMU41/FMU42/FMU43/FMU44.
  • FHX40-: Remote display FHX40, remote display and local operation, suitable for Micropilot M, Prosonic M, Levelflex M, Gammapilot M. Aluminum field housing IP65 NEMA4X, 4-line LC display, menu-driven plain text operation, easy setup, optional user language, on-site envelope curve display.
FMU43 Display Unit

Probe, Cable and Accessories

  • 52013543: Ultrasonic probe, Prosonic M.
  • 52016334: Cable, double-shielded connection cable, for display FHX40.
  • 942666-0000: Mounting bracket FAU20, material 316Ti, for mounting FMU42/FMU43/FMU44.
  • 71020502: Cable, double-shielded connection cable, for display FHX40.
  • 71020503: Cable, double-shielded connection cable, for display FHX40.
  • 71020504: Cable, double-shielded connection cable, for display FHX40.
  • 543199-0001: Protective cover, for housing T12/F12, stainless steel, suitable for Micropilot M, Micropilot S, Prosonic M, Levelflex M, material 316Ti.
  • 71007843: ToF adapter FXA291, for connecting Micropilot M, Micropilot S, Levelflex M, Prosonic M, Tank Side Monitor, Deltabar S, Cerabar S, Gammapilot M, Micropilot I to Commubox FXA291.
  • 71000221: Adapter cable, connecting service tool RS232(52013675)/ToF adapter FXA291(71007843) to Micropilot M, Prosonic M, Levelflex M, Cerabar S, Deltabar S.
  • 52013874: Mounting bracket, for remote display FHX40.
  • FXA195-: Communication interface FXA195, modem, for connecting HART field devices to a computer via USB, allowing commissioning of field devices using software tools. Can be connected to intrinsically safe signal circuits, compliant with SIL2, IEC61508.

Selection and Ordering Notes

When ordering spare parts, be sure to verify the device model and version number to ensure compatibility. For hazardous areas, select spare parts with the corresponding explosion-proof certification. It is recommended to purchase through official channels or authorized distributors to ensure product quality and after-sales service.

Regular maintenance and replacement of wear parts can extend transmitter life and reduce downtime. For technical support, please contact your local Endress+Hauser office.