Conductive
Point level switch
Nivotester FTW325

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

The Nivotester FTW325 is a point level switch with intrinsically safe signal circuit for connection to a conductive sensor. It has a compact housing for easy series mounting on a standard DIN rail in the cabinet.

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Benefits
Cost-effective point level switch for conductive liquids
Intrinsically safe signal circuit EEx ia IIC for using sensors in hazardous areas
Line monitoring up to the sensor
Configurable sensitivity range
Alarm relay can be switched as second level relay (SPDT)
Easy wiring thanks to pluggable terminal blocks

Field of application
For point level detection in tanks for liquids also for hazardous areas. Overfill prevention for tanks with flammable or non-flammable water-polluting liquids. Pump dry running protection.

Mounting: Standard rails in cabinet

Two-point control and point...

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For point level detection in tanks for liquids also for hazardous areas. Overfill prevention for tanks with flammable or non-flammable water-polluting liquids. Pump dry running protection.

Mounting: Standard rails in cabinet

Two-point control and point level detection

Ambient temperature: -20 to +60°C (-4 to +140°F)

International explosion protection certificates

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Features and specifications

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Details

Measuring principle

Conductive
Characteristic / Application

2-channel level measurement device, level limit, switch delay, two-point control
Supply / Communication

85V ... 253V AC
20V ... 30V AC
20V ... 60V DC
Ambient temperature

-20 °C ... 60 °C
(-4 °F ... 140 °F)
Min. density of medium

min. 10 uS
Communication

2 relays SPDT/DPDT
Certificates / Approvals

ATEX, FM, CSA, NEPSI, EAC
Safety approvals

Overfill prevention WHG

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Documents / Manuals / Software

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Nivotester FTW 325 Technical Information
Point level switch with intrinsically safe signal circuit for connecting
to conductive sensors

Technical Information (TI)
Nivotester FTW325 Operating Instructions
Point level switch with intrinsically safe signal circuit for connecting
to conductive sensors

Short Instruction (KA)

08/15

German , English , Spanish , fr , Italian , Dutch
Safety Instructions Nivotester FTW325
[Ex ia] IIC/IIB
GYJ111022 (NEPSI)

Ex Safety Instructions (XA)
Safety Instructions Nivotester FTW325
II (1) G [Ex ia Ga] IIC/IIB
II (2) G [Ex ib Gb] IIC/IIB
II (1) D [Ex ia Da] IIIC
DMT 02 ATEX E 203 X

Ex Safety Instructions (XA)
Nivotester FTW325 EAC: [Ex ia Ga] IIB/IIC X [Ex ia Da] IIIC X Safety Instructions
Conductivity Level Measurement

Ex Safety Instructions (XA)
Konduktive Sonden, Überwachungselektronik, Nivotester FTW470Z, FTW520Z, FTW570Z, FTW325
WHG

Allgemeine bauaufsichtliche Zulassung

Z-65.13-101 (DIBt)

Certificate (ZE)
Nivotester FTW325
CSA

Drawing No.: 960532-0071 A

Drawing Type: Installation Drawing

Certificate FM/CSA (ZD)
Nivotester FTW325
FM

Drawing No.: 960532-0070 A

Drawing Type: Control Drawing

Certificate FM/CSA (ZD)
Catálogo soluciones esenciales
Alta calidad a precios competitivos

Competence Brochure (CP)

01/17

Spanish
Nivotester FTW325
Füllstandgrenzschalter für leitfähige Flüssigkeiten

Tender Text

08/12

German
Nivotester
Product Code: FTW325-
Declaration Number: HE_00388_01.16

Manufacturer Declaration

English
Nivotester, Solicap S
Product Code: FTI77-, FTL325N-, FTL325P-, FTW325-
Declaration Number: HE_00339_01.16

Manufacturer Declaration

German , English
Nivotester
Product Code: FTW325-
Declaration Number: HE_00839_01.17
Manufacturer Specification: RoHS

Manufacturer Declaration

Chinese
Nivotester
Product Code: FTW325-
Declaration Number: DMT02ATEXE203X

EU Declaration

German , English , fr
Nivotester
Product Code: FTW325-
Declaration Number: EC_00210_03.16

EU Declaration

German , English , fr
SYSTEM, Pumpenschutz, Nivotester FailSafe, Nivotester, Micropilot S, Micropilot, Liquipoint T, Liquiphant T, Liquiphant S, Liquiphant M, Liquiphant FailSafe, Liquiphant, Liquicap T, Liquicap M, Levelflex, Floating Switch
Product Code: FTL260-, FTL31-, FTL325N-, FTL325P-, FTL33-, FTL375P-, FTL50-, FTL50H-, FTL51-, FTL51C-, FTL51H-, FTL70-, FTL71-, FTL80-, FTL81-, FTL825-, FTL85-, FTS20-, FTW31-, FTW32-, FTW325-, FTW360-, NMR81-, NMR84-, FTI52-, FMI21-, FMI51-, FMI52-, FMP50-, FMP51-, FMP52-, FMP53-, FMP54-, FMP55-, FMR10-, FMR20-, FMR50-, FMR51-, FMR52-, FMR53-, FMR530-, FMR532-, FMR533-, FMR54-, FMR540-, FMR60-, FMR62-, FTC325-, FTI51-
Region/Country: Russia (Declaration of Conformity)
Approval Number: RU D-DE.MO10.B.05528

Miscellaneous

Russian
Nivotester, Liquipoint, Nivotester FailSafe
Product Code: FTC325-, FTL325N-, FTL325P-, FTL375P-, FTW325-, FTL825-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Approval Number: TС RU D-DE.MU62.B.02537

Miscellaneous

Russian
Nivotester
Product Code: FTC325-, FTL325N-, FTL325P-, FTW325-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Approval Number: TC BY_112 11.01. TP004 003 137

Miscellaneous

Russian
SYSTEM, Pumpenschutz, Nivotester FailSafe, Nivotester, Micropilot S, Micropilot, Liquipoint T, Liquipoint, Liquiphant T, Liquiphant S, Liquiphant M, Liquiphant FailSafe, Liquiphant, Liquicap T, Liquicap M, Levelflex, Floating Switch, Einstabsonde, Dreistabsonde, Doppelstabsonde
Product Code: FTL70-, FTL51H-, FTL51C-, FTL51-, FTL50H-, FTL50-, FTL375P-, FTL33-, FTL325P-, FTL325N-, FTL31-, FTL260-, FTI52-, FTI51-, FTL71-, FTL80-, FTL81-, FTL825-, FTL85-, FTS20-, FTW23-, FTW31-, FTW32-, FTW325-, FTW33-, FTW360-, NMR81-, NMR84-, 11362Z-, 11363Z-, 11371-, 11375Z-, 11961Z-, FMI21-, FMI51-, FMI52-, FMP50-, FMP51-, FMP52-, FMP53-, FMP54-, FMP55-, FMR10-, FMR20-, FMR50-, FMR51-, FMR52-, FMR53-, FMR530-, FMR532-, FMR533-, FMR54-, FMR540-, FMR60-, FMR62-, FTC325-
Region/Country: Russia (Declaration of Conformity)
Approval Number: RU D-DE.MO10.B.05531

Miscellaneous

Russian
Nivotester
Product Code: FTW325-
Region/Country: Europe (ATEX)
Approval Agency: EXAM (DMT, BVS)
Category: II (1) D, II (1) G
Protection: [Ex ia Da] IIIC, [Ex ia Ga] IIC

Explosion Protection

English
Nivotester
Product Code: FTW325-
Region/Country: Canada, USA
Approval Agency: CSA
Category: I,II,III//A,B,C,D,E,F,G, I/zone 0
Protection: AIS, Ex [ia] IIC

Explosion Protection

English
Nivotester
Product Code: FTW325-
Region/Country: USA
Approval Agency: FM
Category: I,II,III DIV.1 GRP.A,B,C,D,E,F,G
Protection: AEx [ia]

Explosion Protection

English
Nivotester
Product Code: FTL325N-, FTL325P-, FTW325-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Protection: [Ex ia Da], [Ex ia Ga]

Explosion Protection

Russian
Doppelstabsonde, Dreistabsonde, Einstabsonde, Liquipoint T, Multicap, Nivotester, Seilsonde, Stabsonde
Product Code: FTW570Z-, FTW520Z-, FTW470Z-, FTW325-, FTW32-, FTW31-, EW11Z-, DC26-, DC16-, 21561ZF-, 21360ZF-, 11961Z-, 11375Z-, 11363Z-, 11362Z-, 11356ZF-
Region/Country: Germany
Approval Agency: DIBt
Approval Number: DIBTZ-65-13-101

Overfill Prevention

German