Liquicap FMI21 - Capacitance level measurement

Capacitance
Level measurement
Liquicap FMI21

For continuous level measurement in conductive liquids

FMI21

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Specs at a glance

Accuracy

< 1%
Process temperature

-40 °C ... 100 °C
(-40 °F ... 212 °F)
Process pressure / max. overpressure limit

Vacuum ... 10 bar
(Vacuum ... 145 psi)
Max. measurement distance

2.5 m (8 ft)
Main wetted parts

Probe rods:
316L/1.4404 / PP
Option: carbon fibre PP coated

See all specifications

Field of application

Liquicap FMI21 is a simple and cost-effective rod probe for continuous level measurement for conductive liquids. High quality non-corrosive materials (carbon fibre, stainless steel) make it suitable even for aggressive liquids (e.g. acids and alkalis). Used in conjunction with the Fieldgate FXA320 (remote measured value interrogation using Internet technology), Liquicap is an ideal solution for Inventory Management Solutions.

The device is preconfigured from factory 0 to 100% to probe length ordered. It can be used as of a conductivity of 30μS/cm and the measurement is independent of the dc-value (dielectric constant) of the liquid. Suited for cistern measurements.

Process connection: Thread
Process pressure: Vacuum to 10bar (vacuum to 145psi)
Measuring range: Up to 2.5m (8ft)
Temperature: -40 to +100°C (-40 to +212°F)
International explosion protection certificates, overfill prevention WHG

Benefits

Safe and reliable function regardless of tank geometry
No calibration necessary (factory preconfiguration)
High quality, non-corrosive materials (carbon fibre, stainless steel) for use in aggressive liquids
No moving parts in tank
Cost-effective solution for continuous level measurement
Optimized storage by simply shortening the probe rods on site

Fundamental selection

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

Learn more about the FLEX selections

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Predecessor

T6667

Double rod probe 11304Z

Success stories

Extend SIL proof test intervals with new Liquiphant FTL51

Discover how our customer CABB was able to extend SIL proof test intervals with the new Liquiphant FTL51
Read the full story
Optimized logistics concept for tank systems

We implemented a highly effective logistics concept at chemicals distributors Brenntag Schweizerhall AG's Basel site.
Read the full story
Truck loading - safety solved through trusted partnership

Endress+Hauser provides global chemical and plastics distributor with “total turnkey solution”
Read the full story

Measuring principle

Capacitive
Characteristic / Application

Two-rod probe
Preconfigured from factory 0%...100%
High quality, non-corrosive materials (carbon fibre, stainless steel)
Suitable for aggressive liquids (many acids and alkalis)
Specialities

Probe shorting kit available
Supply / Communication

10 ... 30VDC
Accuracy

< 1%
Ambient temperature

-40 °C ... 70 °C
(-40 °F ... 158 °F)
Process temperature

-40 °C ... 100 °C
(-40 °F ... 212 °F)
Process pressure / max. overpressure limit

Vacuum ... 10 bar
(Vacuum ... 145 psi)
Main wetted parts

Probe rods:
316L/1.4404 / PP
Option: carbon fibre PP coated
Process connection

G 1½
NPT 1½
Sensor length

Total length of probe 2.5 m
Max. measurement distance

2.5 m (8 ft)
Communication

4 ... 20 mA
Certificates / Approvals

ATEX, CSA, CSA C/US
Safety approvals

Overfill prevention WHG
Options

Display
Application limits

Changing, non-conductive
media, conductivity
< 3 0 μS/cm
Highly viscous liquids
> 2 000 cst

Language:	German
Version:	01/09/2021
File size:	1.2 MB
File name:	KA01514FDE_0121-00.pdf

	EN
01/06/2010
11/04/2008
01/02/2007
15/04/2005

Language:	German
Version:	01/06/2010
File size:	755.9 KB
File name:	TI393FDE_0510.pdf

	EN
01/06/2010
11/04/2008
01/02/2007
15/04/2005

Language:	English
Version:	01/06/2010
File size:	743.5 KB
File name:	TI393FEN_0510.pdf

Language:	Italian
Version:	03/03/2023
File size:	46.9 MB
File name:	FA00001F00IT2522.pdf

Language:	Dutch
Version:	01/10/2018
File size:	18 MB
File name:	170438_EC00002E15NL_0418_SCREEN.pdf

Language:	Chinese
Version:	25/08/2017
File size:	137.9 KB
File name:	HE_00801_01.17_China-RoHS_Liquicap_T_FMI21.pdf

Language:	Russian
Version:	17/05/2022
File size:	227.7 KB
File name:	EAEC N RU D-DE.PA03.B.53378_22.pdf

	EN
01/09/2021

	EN
28/10/2021
19/06/2020
08/11/2019
17/08/2017
30/06/2016

	EN
01/09/2021

	EN
01/06/2010
10/04/2008
14/04/2005

CapacitanceLevel measurementLiquicap FMI21

For continuous level measurement in conductive liquids

Specs at a glance

Accuracy

Process temperature

Process pressure / max. overpressure limit

Max. measurement distance

Main wetted parts

Field of application

Benefits

Fundamental selection

Predecessor

Success stories

Extend SIL proof test intervals with new Liquiphant FTL51

Optimized logistics concept for tank systems

Truck loading - safety solved through trusted partnership

Measuring principle

Characteristic / Application

Specialities

Supply / Communication

Accuracy

Ambient temperature

Process temperature

Process pressure / max. overpressure limit

Main wetted parts

Process connection

Sensor length

Max. measurement distance

Communication

Certificates / Approvals

Safety approvals

Options

Application limits

Back

Liquicap T FMI21

Liquicap T FMI21 Technische Information

Liquicap T FMI21 Technical Information

Weld-in adapter, process adapter and flanges

Liquicap T FMI21

Liquicap T FMI21 Operating Instructions

Liquicap T FMI21

Liquicap T FMI21

RFID TAG Certificate/Declaration of Conformity

RFID TAG Special Documentation

Level measurement

Misura di livello

Selection Guide Continuous level measurement in liquids and bulk solids

E-direct Produktcatalogus 2018-2019

Product family: Liquicap T

Product family: Liquicap T

Product family: Levelflex, Liquicap M, Liquicap T, Liquiphant, Liquiphant FAILSAFE, LIQUIPHANT M, Liquiphant S, Liquiphant T, LIQ UIPOINT T, MICROPILOT, MICROPILOT S, Nivotester, Nivotester FailSafe, Pumpenschutz, SYSTEM

Product family: Liquicap M, Liquicap T

Product family: Doppelstabsonde, Dreistabsonde, Einstabsonde, Levelflex, LIQUICAP M, LIQUICAP T, Liquiphant, Liquiphant FailSafe, Liquiphant M, LIQUIPHANT S, LIQUIPHANT T, Liquipoint, Liquipoint T, Micropilot, MICROPILOT S, NIVOTESTER, NIVOTESTER FAILSA FE, PUMPENSCHUTZ, System & Gauging

Product family: Liquicap T

Back

Cover F16 high, transparent, gasket

Cover F16 grey, PBTP, gasket

O-ring 71.0x3.55 EPDM, 5 pieces

Electronics FEI20

Digital display, holder

Spacer probe rods, 5 pcs.

Sealing ring G1-1/2, 48x55 FA, 5 pcs.

Shorting kit FMI21

Protection cover F16 housing

Mounting nut G1-1/2

Input

Output

Power Supply

Input

Output

Power Supply

Input

Output

Power Supply

Output

Power Supply

Input

Output

Power Supply

Input

Capacitance
Level measurement
Liquicap FMI21