Liquicap FMI52 Capacitive Measurement for Various Liquids

Measuring Principle:
Capacitive
Accuracy:
Repeatability: ±0.1%
Linearity Error for Conductive Liquids: <0.25%
Max Measurement Distance:
0.42 m to 10.0 m (1.38 ft to 33 ft)
Process Temperature:
-80°C to 200°C (-112°F to 392°F)
Process Pressure:
Vacuum to 100 bar (Vacuum to 1450 psi)
Ambient Temperature:
-50°C to +70°C (-58°F to +158°F)
Main Wetted Parts:
Insulation materials: FEP, PFA
Stainless steel: 316L
Field of Application:
The Liquicap FMI52 is designed for continuous level monitoring in liquids, particularly suited for:-
Small tanks
Build-up forming media
Extreme temperature conditions
The device operates independently of the dielectric constant (dc) for liquids with a conductivity of 100μS/cm or higher, allowing for accurate measurement without the need for recalibration. It is ideal for inventory management solutions when used with the Fieldgate FXA320 for remote value interrogation.

Safety Compliance:
Can be used in safety systems requiring functional safety to SIL2 according to IEC 61508.
Versatile Applications:
Supported by a wide range of international certificates and approvals.
Factory Preconfiguration:
No calibration required for conductive media, reducing setup time and costs.
Durable and Safe Materials:
Corrosion-resistant materials ensure long-lasting performance.
User-Friendly Configuration:
Optional menu-guided local configuration with a plain text display.
Enhanced Protection:
Two-stage overvoltage protection for increased reliability.
Design and Installation:
Process Connections: Flanges and threads, including G3/4, G1, G1 1/2, NPT options, and hygienic connections like Tri-Clamp ISO02852.
Inactive Length: Maximum inactive length of 2 m (7 ft) with a total sensor length of 6 m (20 ft).
Supply and Communication:
Supply Voltage: 12-36 V DC
Communication Protocols:
4…20 mA HART, PFM

Explosion Protection:
ATEX, FM, CSA, IEC Ex, TIIS, INMETRO, NEPSI, EAC
Safety Approvals:
SIL compliance
Hygienic Approvals:
EHEDG
Application Limits:
Restrictions: Not suitable for changing, non-conductive media with conductivity < 100 μS/cm.
Users should also be aware of pressure and temperature derating.
The Liquicap FMI52 is a robust solution for continuous level monitoring in a variety of industrial applications, offering reliability and versatility across extreme conditions while ensuring compliance with safety and hygiene standards.

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