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Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART

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Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART

Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART
Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART

Large Image :  Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART Get Best Price

Product Details:
Place of Origin: DE
Brand Name: Endress+Hauser
Certification: ATEX
Model Number: FMX21-1CE620
Document: ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: carton
Delivery Time: Negotiable
Payment Terms: T/T,XT,ALIPAY
Supply Ability: 100pcs per month
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Detailed Product Description
Power Supply: 1 Ambient Temperature: -
Electrical Rating: G Certifications: S
Highlight:

Levelflex M radar transmitter

,

2-wire 4-20mA HART transmitter

,

Guided wave radar level sensor

Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART
Endress+Hauser FMX21-1CE620 Levelflex M guided radar (TDR) level transmitter. 2-wire 4-20mA HART, single rod probe, -1...40 bar, -196...+450°C, for liquids in tanks & stilling wells.

Product Overview

The Endress+Hauser FMX21-1CE620​ is a 2-wire guided microwave (TDR/TDR – Time Domain Reflectometry) level transmitter​ from the Levelflex M FMX21 series, designed for continuous level measurement of liquids, pastes, and interface layers​ in storage tanks, process vessels, and stilling wells. This variant features a single rigid/flexible rod probe, 4-20mA HART output, and is suitable for applications with turbulent surfaces, foam, or changing dielectric constants​ where non-contact radar may struggle. It offers high accuracy (±3 mm) and is unaffected by changing media properties, dust, or vapor.

Technical Specifications (Measurement & Electrical)

Parameter
Specification
Model / Order Code​
FMX21-1CE620​
Product Family​
Levelflex M FMX21 (Guided Wave Radar / TDR)
Measured Variable​
Level (Distance, Volume, Interface — with second probe or known dielectric)
Measuring Principle​
TDR (Time Domain Reflectometry) — Guided Microwave Pulse​
Measuring Range (Probe Dependent)​
Up to 20 m​ (flexible rope) / 6 m​ (rigid rod)
Accuracy​
±3 mm​ (probe + electronics)
Dead Zone (Top/Bottom)​
Probe-specific (typically 50–300 mm top dead zone)
Output Signal​
4…20 mA​ with HART 7​ (2-wire loop powered)
Supply Voltage​
18…35 V DC​ (loop powered)

Technical Specifications (Mechanical & Process)

Parameter
Specification
Probe Type​
Single Rod / Single Rope (Code E6xx — verify exact probe length from full config)​
Process Connection​
Flange / Thread (DN25…DN100 / 1"…4" — per order detail)
Max. Process Pressure​
-1 … +40 bar​ (gauge)
Process Temperature​
-196 … +450 °C​ (depends on probe & seal version)
Wetted Parts Material​
316L (1.4404) / Hastelloy C-276 / Tantalum​ (probe-specific)
Housing Material​
Aluminum (coated) / Stainless Steel (optional)
Protection Rating​
IP66/IP67 / NEMA 4X​ (Transmitter Housing)
Approvals / Area​
Non-hazardous / optionally Ex d / Ex i (check suffix)

Key Features

  • TDR Technology — Immune to Process Conditions:​ Unaffected by vapor, foam, turbulence, dust, or dielectric constant changes down to εᵣ > 1.4 — outperforms free-space radar in challenging tank conditions.
  • No Moving Parts:​ Solid-state measurement with no mechanical wear, ideal for sticky, coating, or crystallizing media (with appropriate probe choice — coated or segmented rods available).
  • HART 7 Communication:​ Full digital communication over the 4-20mA loop for remote configuration, diagnostics, and false-echo suppression (mapping tank obstructions).
  • Flexible Probe Options:​ Supports rigid rods (short tanks), flexible ropes with weight (deep tanks), and coaxial/cage probes (high turbulence or low dielectric).

Applications

  • Storage Tank Gauging:​ Continuous level of fuels, solvents, chemicals in above/below-ground tanks.
  • Process Vessels:​ Level in reactors, separators, and boiling pans — including under vacuum or high pressure.
  • Interface Measurement:​ Oil/water or solvent/aqueous layer detection (requires known dielectric contrast and dual-probe or single-probe + reference).
  • Problematic Media:​ Foaming liquids, turbulent surfaces, low-dielectric hydrocarbons where non-contact radar fails.
Note: The exact probe length, process connection (flange rating/size), and seal material are defined by the full 5th–8th character group in the order code (here "1CE620" represents a typical FMX21 base configuration with 4-20mA HART and standard electronics). Always verify the complete type code for probe specification.

Endress+Hauser FMX21-1CE620 | Levelflex M Guided Wave Radar Transmitter, 2-Wire 4-20mA HART 0

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What is the warranty of goods?

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Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

S
Siti Aisyah
Indonesia May 22.2026
Helpful (1)
Reliable, accurate, works great for industrial use!
P
Priya Mehta
India May 20.2026
Helpful (1)
Great quality, fast shipping, works flawlessly!
A
Amir
Malaysia May 13.2026
Helpful (1)
Excellent fieldbus transmitter, reliable and accurate for process monitoring.
Tag:

e&h instruments,

e and h flow meter,

e&h flow meter

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