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ABB WaterMaster Electromagnetic Flowmeter FEF121 and FEF181

ABB WaterMaster Electromagnetic Flowmeter FEF121 and FEF181

IP68 Submersible Electromagnetic Flow Meter

OIML R49 Verified WaterMaster Flowmeter

NAMUR NE107 Diagnostics Magnetic Flow Meter

Nom de marque:

ABB

Numéro de modèle:

FEF121 et FEF181

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Détails du produit
Protection de l'environnement:
Indice de protection : IP68 (NEMA 6) jusqu'à 10 m (33 pi) de profondeur, boîte à bornes entièrem
Conductivité:
> 5µS/cm
Montage du transmetteur:
Intégré ou à distance
Connexions électriques:
Presse-étoupes 20 mm, ½ po NPT, presse-étoupes blindés 20 mm
Câble de capteur:
Câble ABB WaterMaster, standard ou blindé ; Longueur maximale 200 m (660 pi)
Mettre en évidence:

IP68 Submersible Electromagnetic Flow Meter

,

OIML R49 Verified WaterMaster Flowmeter

,

NAMUR NE107 Diagnostics Magnetic Flow Meter

Conditions de paiement et d'expédition
Quantité de commande min
1 pièces
Détails d'emballage
Chaque unité a une boîte individuelle et toutes les boîtes sont emballées dans des packages standard
Délai de livraison
5-8 jours ouvrables
Conditions de paiement
LC, D/A, D/P, T/T, Western Union, MoneyGram
Capacité d'approvisionnement
1000 pièces / pièces par semaine négociables
Description du produit

WaterMaster Electromagnetic Flowmeter FEF121 and FEF181

FEV121200V1S0S2B1A1A1A2A1A1
FEF121200V1S0S2B1A1A1A2A1A1

Product Overview

WaterMaster is ABB’s latest generation of electromagnetic flowmeters designed specifically for the water and wastewater industries.
It provides unmatched accuracy, stability, and reliability, making it the perfect solution for flow measurement in water treatment plants, distribution networks, and sewage systems.

With its self-calibrating transmitter, buriable and submersible sensor design, and advanced diagnostics, WaterMaster sets the benchmark for modern flow measurement technology — ensuring long-term performance with minimal maintenance.


Key Features

  • World’s Most Stable Transmitter
    Self-calibrating design with ultra-low temperature coefficient ensures exceptional accuracy and repeatability.
  • Universal Water Industry Solution
    Designed for all water and wastewater applications – from raw water and effluent to treated water and distribution.
  • Plug-and-Play Transmitter Replacement
    Built-in data storage enables transmitter exchange without reconfiguration or recalibration.
  • Advanced Infrared Service Port
    Supports remote HMI, HART communication, parameter dump, and cyclic data output for remote diagnostics.
  • Innovative Octagonal Sensor Design
    Reduces flow profile sensitivity, minimizes upstream/downstream piping requirements, and enhances accuracy.
  • OIML R49 Type ‘P’ Verified
    Continuous self-checking of sensor and transmitter guarantees long-term stability and compliance.
  • Comprehensive NAMUR NE107 Diagnostics
    Provides clear, standardized status indications for maintenance, functional checks, and alarm conditions.
  • Submersible and Buriable Construction (IP68)
    Fully potted, corrosion-resistant sensor suitable for direct burial or flooded installations.
  • Digital Signal Processing (DSP)
    Superior noise immunity and signal stability under vibration and hydraulic turbulence.
  • Ease of Operation
    Large rotatable display with through-glass control and intuitive “Easy Setup” configuration.

Technical Specifications

Category Item Specification
Functional Specification – Sensor Pressure limitations As per flange rating
Temperature limitations Ambient temperature: Remote transmitter −20 to 70 °C (−4 to 158 °F); Integral transmitter −20 to 60 °C (−4 to 140 °F)
Process temperature: −6 to 70 °C (21 to 158 °F)
Environmental protection Rating: IP68 (NEMA 6) to 10 m (33 ft) depth, fully-potted terminal box
Conductivity > 5 µS/cm
Transmitter mounting Integral or remote
Electrical connections 20 mm glands, ½ in NPT, 20 mm armored glands
Sensor cable ABB WaterMaster cable, standard or armored; Max length 200 m (660 ft)
Physical Specification – Wetted Parts Lining material Polypropylene (DN40–200), Blasomer (DN250–2200); WRAS listed; ACS and NSF61 approved (sizes DN40–200 pending)
Electrode material Stainless steel 316, Hastelloy C, Titanium (other materials available on request)
Grounding rings Not required
Protection plates Not required
Installation conditions Upstream ≥ 5D; Downstream ≥ 2D
Pressure loss < 0.25 bar at Q3 (DN40–200); Negligible at Q3 (DN250–2200)
Non-wetted Parts Flange material Carbon steel
Housing material Carbon steel (DN40–200 & DN700–2200); Plastic (DN15–600)
Terminal box material Stainless steel or aluminium
Cable gland material Plastic or brass
Functional Specification – Transmitter Power supply Mains 85–265 V AC @ < 7 VA; Low voltage 24 V AC ± 10 % / – 30 % @ < 7 VA; DC 24 V ± 30 % @ < 0.4 A
Pulse/frequency outputs One dedicated, one configurable; max output frequency 5.250 Hz; Rating 30 V @ 220 mA open collector; Galvanically isolated
Alarm/logic outputs One dedicated, one configurable; Rating 30 V @ 220 mA open collector; Galvanically isolated
Current output 4–20 mA or 4–12/20 mA; Max loop resistance 750 Ω; Galvanically isolated; HART protocol v5.7
Signal levels NAMUR NE 43 (3.8–20.5 mA); Low alarm 3.6 mA; High alarm 21.8 mA
Additional accuracy ±0.1 % of reading
Temperature coefficient Typically < 20 ppm/°C
Electrical connections 20 mm glands, ½ in NPT, 20 mm armored glands
Temperature limitations Ambient −20 to 60 °C (−4 to 140 °F); Coefficient < 10 ppm/°C @ Vel ≥ 0.5 m/s
Environmental protection Humidity 0–100 %; Rating IP67 (NEMA 4X) to 1 m depth
Tamper-proof security Internal switch + external security seal prevent unauthorized access
Languages English, French, German, Italian, Spanish
Infrared service port USB adapter (accessory); USB 1.1 & 2.0 compatible; Driver software for PC only; Windows 2000/XP/Vista compatible


Applications

  • Water treatment and distribution systems
  • Wastewater and sewage plants
  • Irrigation and desalination projects
  • Industrial water recycling systems
  • Effluent discharge monitoring

Ordering Information
Electromagnetic Flowmeter WaterMaster FEF121 and FEF181

Variant digit number 1....6 7..9 10 11 12 13 14.15 16 17 18 19 20 21 22 23 24 25 26 27
Flowmeter system, full bore,
remote mount
FEF121

















Full bore, for use with WaterMaster
transmitter / remote
FEF181

















Bore Diameter
DN 250 (10 in)
DN 300 (12 in)
DN 350 (14 in)
DN 400 (16 in)
DN 450 (18 in)
DN 500 (20 in)
DN 600 (24 in)
DN 700 (28 in)
DN 760 (30 in)
DN 800 (32 in)
DN 900 (36 in)
DN 1000 (40 in)
DN1050 (42 in)
DN 1100 (44 in)
DN 1200 (48 in)
DN 1400 (54 in)
DN 1500 (60 in)
DN 1600 (66 in)
DN 1800 (72 in)
DN 2000 (80 in)
DN 2200 (84 in)
Others

250
300
350
400
450
500
600
700
760
800
900
001
051
101
201
401
501
601
801
002
202
999

















Electrode Design
Elastomer
Elastomer with ACS approval
Others
K
L
Z
















Electrode Design
Standard
Others – FEF181 only
1
9















Measuring Electrodes Material
Stainless steel 316Ti (1.4571)
Hastelloy C-276 (FEF121 – DN350 to DN2200 only)
Others

S
E
Z














Grounding Accessories
Standard
One grounding plate
Two grounding plates
Others
1
3
4
9













Process Connection Type
Flanges ASME class 150
Flanges AWWA class B
Flanges AWWA class D
Flanges AS 4087 class 16
ISO 7005 PN16
A1
C1
C2
E1
S2












Process Connection Material
Carbon steel flanges
Others
B
Z











Usage Certifications
Standard (without PED) 
Material monitoring with inspection certificate 3.1 acc. EN 10204 
Others
1
2
9










Calibration Type
Standard accuracy 0.4 % 
Enhanced accuracy 0.2% 
Witnessed factory calibration
Custody transfer for cold/waste water (witnessed calibration) (FEF181 only) 
UKAS/NAMAS (FEF181 only)
Others
A
B
M
N
U
Z









Temperature Range Installation / Ambient Temperature Range
Standard design / –20 … 60 °C (–4 … 140 °F)
1







Language
English 
German 
French 
Spanish
Italian
A
D
G
K
N







Without signal cable – FEF181 only 
5 m (15 ft.) cable 
10 m (30 ft.) cable
20 m (60 ft.) cable 
30 m (100 ft.) cable
50 m (165 ft.) cable
80 m (260 ft.) cable 
100 m (325 ft.) cable 
150 m (490 ft.) cable
Special Length > 150 m (> 490 ft.) (and/or armored cable – FEF181 only)
0
1
2
3
4
5
6
7
8
9






Explosion Protection Certification
General purpose (non-Ex design) 
Others (FEF181 only)
A
Z





Protection Class Transmitter / Protection Class Sensor
IP67 (NEMA 4X) / IP68 (NEMA 6X) – cable not fitted and not potted 
IP67 (NEMA 4X) / IP68 (NEMA 6X) – cable fitted and potted 
Others (FEF181 only)
2
3
9




Cable Conduits *
M20 x 1.5 
NPT 1/2 in 
M20 SWA armored
Others (FEF181 only)
A
B
D
Z



Power Supply
Without (FEF181 only)
100... 230 V AC, 50 Hz (FEF121 only)
24 V AC or 24V DC, 50 Hz (FEF121 only)
100 ... 230 V AC, 60 Hz (FEF121 only)
24 V AC or 24 V DC, 60 Hz (FEF121 only)
0
1
2
3
4


Input and Output Signal Type
HART + 20 mA + pulse + contact output ( FEF121 only)
Without (FEF181 only)
A
Y

Configuration Type / Diagnostics Type
Factory defaults / standard diagnostics
1


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