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ABB WaterMaster Electromagnetic Flowmeter FEF121 and FEF181

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ABB WaterMaster Electromagnetic Flowmeter FEF121 and FEF181

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Brand Name :	ABB
Model Number :	FEF121 and FEF181
Payment Terms :	L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability :	1000 Piece/Pieces per Week negotiable
Delivery Time :	5-8 work days

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Product Details
Company Profile

ABB WaterMaster Electromagnetic Flowmeter FEF121 and FEF181

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)
	Temperature limitations	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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