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Capacitance Point level switch Nivotester FTC325

Point level switch with intrinsically safe signal circuit for connection to a capacitance sensor

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Capacitance Point level switch Nivotester FTC325

Point level switch with intrinsically safe signal circuit for connection to a capacitance sensor

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Benefits

  • Highest safety due to intrinsically safe signal circuit EEx ia IIC
  • Calibration using operating keys
  • High functional safety thanks to: FailSafe pulse-frequency modulation (PFM) or 3-wire technology, checkable relay function
  • Compact housing for easy series mounting on a standard DIN rail in the cabinet
  • Pluggable terminal blocks make wiring easy
  • Point level and alarm relay
FLEXible answers to individual needs
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Capacitance Point level switch Nivotester FTC325

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FLEX selections
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Fundamental selection Meet your basic measurement needs
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Xpert selection Master your most challenging applications
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Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

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Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

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With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

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With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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Product information

Nivotester FTC325 - Capacitance point level switch
Capacitance - Nivotester FTC325
Specifications
Point Level / Liquids
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Description

The Nivotester FTC325 is a point level switch with intrinsically safe signal circuit for connection to a capacitance sensor. It has a compact housing for easy series mounting on a standard DIN rail in the cabinet.

Field of application

For point level detection in tanks containing liquids and silos containing bulk solids. Also for capacitance level probes, which may be applied in hazardous areas of category ATEX II (1) GD. Overfill prevention for tanks containing flammable or non-flammable fluids hazardous to water and dry running protection for pumps.

  • Two-point control (Δs with 3-WIRE)
  • Ambient temperature: -20 to +50°C (-4 to +122°F)
  • International explosion protection certificates, overfill prevention WHG
Benefits
  • Highest safety due to intrinsically safe signal circuit EEx ia IIC
  • Calibration using operating keys
  • High functional safety thanks to: FailSafe pulse-frequency modulation (PFM) or 3-wire technology, checkable relay function
  • Compact housing for easy series mounting on a standard DIN rail in the cabinet
  • Pluggable terminal blocks make wiring easy
  • Point level and alarm relay
Predecessors
Transmitter FTC520Z, Transmitter FTC521Z, Transmitter FTC625, Transmitter FTC421, Transmitter FTC422, Transmitter FTC420N
Downloads
Most downloaded
Operating Instruction (BA)
BA Nivotester FTC325 PFM Capacitance
English version - 06/2025
Download
Technical Information (TI)
TI Nivotester FTC325 Capacitance
English version - 08/2025
Download
Operating Instruction (BA)
BA Nivotester FTC325 3-wire Capacitance
English version - 06/2025
Download
The CAD Drawings will be available after the configuration.
All downloads
28 Downloads
Technical Information (TI)
Most downloaded
TI Nivotester FTC325 Capacitance
English version - 08/2025
Download
Operating Instruction (BA)
Most downloaded
BA Nivotester FTC325 PFM Capacitance
English version - 06/2025
Download
Operating Instruction (BA)
BA Nivotester FTC325 3-wire Capacitance
English version - 06/2025
Download
Short Instruction (KA)
KA Nivotester FTC325, 3-wire Capacitance
evaluation unit for capacitance point level measurement
English version - 06/2025
Download
Short Instruction (KA)
Nivotester FTC 325 3-WIRE Operating Instructions Point level switch with intrinsically safe signal circuit for connection
to capacitance
sensors
English version - 08/2018
Download
Short Instruction (KA)
KA Nivotester FTC325, PFM Capacitance
evaluation unit for capacitance point level measurement
English version - 06/2025
Download
Short Instruction (KA)
Nivotester FTC325 PFM Operating Instructions Point level switch with intrinsically safe signal circuit for connection
to capacitance
sensors
English version - 08/2018
Download
Ex Safety Instruction (XA)
XA Nivotester FTC325 [Ex ia Ga] IIC
English version - 06/2025
Download
Ex Safety Instruction (XA)
Nivotester FTC325 II (1) G [Ex ia Ga] IIC
II (1) D [Ex ia Da] IIIC
English version - 07/2021
Download
Ex Safety Instruction (XA)
Nivotester FTC325 [Ex ia Ga] IIC
[Ex ia Da] IIIC
English version - 02/2021
Download
Ex Safety Instruction (XA)
XA Nivotester FTC325 ATEX, IECEx:
[Ex ia Ga] IIC
[Ex ia Da] IIIC
English version - 08/2025
Download
Ex Safety Instruction (XA)
Nivotester FTC325 EAC: [Ex ia Ga] IIC [Ex ia Ga] IIB Safety Instructions Capacitive Level Measurement
English version - 09/2017
Download
Ex Safety Instruction (XA)
Safety Instructions Nivotester FTC625, FTC325 [Ex ia Ga] IIC/IIB
TÜV 13.0903 X (INMETRO)
English version - 03/2015
Download
Certificates FM/CSA (ZD)
Nivotester FTC625, FTC325 PFM CSA
Drawing No.: 960530-0071 B
Drawing Type: Installation Drawing
English version - 05/2004
Download
Certificates FM/CSA (ZD)
Nivotester FTC625, FTC325 PFM FM
Drawing No.: 960530-0070 A
Drawing Type: Control Drawing
English version - 06/2004
Download
Manufacturer Declaration
Product family: Nivotester Product root: FTC325-
Declaration number: HE_00587_01.17
Manufacturer specification: RoHS
Chinese version - 03/2017
Download
EU Declaration
Product family: Nivotester Productroot: FTC325-
Declaration number: EU_01041_01.22
English version - 07/2022
Download
EU Declaration
Product family: Nivotester Product root: FTC325-, FTC625-
English version - 07/2020
Download
EU Declaration
Product family: Nivotester Product root: FTC325-
Declaration number: EU_01254_01.25
English version - 09/2025
Download
UK Conformity Assessed
Product family: Nivotester Productroot: FTC325-
Declaration number: UK_00242_01.21
English version - 12/2021
Download
UK Conformity Assessed
Product family: Nivotester Productroot: FTC325-
Declaration number: UK_00241_01.21
English version - 12/2021
Download
Miscellaneous
Product family: Liquipoint, Nivotester, Nivotester FailSafe Product root: FTC325-, FTL325N-, FTL325P-, FTL825-, FTW325-
Region: Eurasian Economic Union
Approval agency: EAC
Approval number: TR CU 020/2011
Russian version - 09/2024
Download
Explosion Protection
Product family: Nivotester Product root: FTC325-, FTC625-
Region: Canada, USA
Approval agency: CSA
Category: I,II,III/1/A,B,C,D,E,F,G/
Protection: AIS
English version - 04/2006
Download
Explosion Protection
Product family: Nivotester Productroot: FTC325-
Region: Great Britain
Approval agency: CML
Protection: Ex [i]
English version - 06/2021
Download

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Nivotester FTC325 - Capacitance point level switch
Capacitance - Nivotester FTC325

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