Oil leak detector
Float Sensor NAR300

Float Sensor NAR300 ©Endress+Hauser
  • Float Sensor NAR300

Leak detection of petrochemicals, vegetable oils and others

Installed in a drainage sump pit near a tank or pump yard, the NAR300 system provides excellent leak detection of petrochemicals, vegetable oils, etc. Vibronics and conductive technologies are combined with a 2-level logic for simple, safe and highly reliable output for leak monitoring.

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  • Benefits

    • Two independent sensors are combined for accurate liquid leak detection

    • A conductive probe detects water or non-water liquid

    • A vibronic tuning fork confirms oil or air

    • No moving parts, long-life, reduces maintenance costs

    • Alarms outputs if cable fails, or...

  • Field of application

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

Documents / Manuals / Software

  • Oil leak detector NAR300 Technical Information

    Oil leak detector

    Technical Information (TI)
  • Oil leak detector NAR300 high temperature Technical Information

    Oil leak detector

    Technical Information (TI)
  • NAR300 system Operating Instructions

    Tank gauging

    Operating Instruction (BA)
  • NAR300 system - Operating Instruction

    Tank Gauging

    Operating Instruction (BA)
  • NAR300 system - Operating Instruction

    Tank Gauging

    Operating Instruction (BA)
  • NAR300 system high temperature Operating Instructions

    Tank gauging

    Operating Instruction (BA)
  • Safety Instruction NAR300

    ATEX/IECEx

    Ex Safety Instructions (XA)
  • Oil leak detector NAR300 Ex ia (float sensor) Ex ia [ia Ga] (transmitter) Safety Instructions

    Oil leak detector NAR300 for JPN Ex.
    If it export to outside of Japan, attach this XA.

    Ex Safety Instructions (XA)
  • Converter NRR261 for Oil Leak Detector - Safety Instructions

    Converter NRR261 for Oil Leak Detector
    TIIS Ex d[ia] IIB T4

    Ex Safety Instructions (XA)
  • Safety Instruction for NAR300 (ZB; 9001/01-280-85); ATEX/IECEx Applicable from orders after 1st Oct. 2018.

    Safety Instruction for NAR300 (ZB; 9001/01-280-85); ATEX/IECEx
    Applicable from orders after 1st Oct. 2018.

    Ex Safety Instructions (XA)
  • Safety Instruction for NAR300 (ZB; 9001/01-280-85); FM Applicable from orders after 1st Oct. 2018.

    Safety Instruction for NAR300 (ZB; 9001/01-280-85); FM
    Applicable from orders after 1st Oct. 2018.

    Ex Safety Instructions (XA)
  • Converter NRR262 for Oil Leak Detector - Safety Instructions

    Converter NRR262 for Oil Leak Detector
    TIIS Ex ia IIB T4

    Ex Safety Instructions (XA)
  • Oil Leak Detector NAR300 System - Safety Instructions

    Oil Leak Detector NAR300 System
    TIIS Ex ia IIB T4

    Ex Safety Instructions (XA)
  • Safety Instructions NAR300

    FM

    Ex Safety Instructions (XA)
  • Functional Safety Manual Oil Leak Detector

    This system is designed to be installed in a pit, dike, plant, or sump
    pit near a pump
    yard, where it can provide the ultimate inleak detection function for
    petrochemicals or
    vegetable oils.

    Special Documentation (SD)
  • Oil leak detector NAR300 system Functional Safety Manual

    Oil leak detector; NAR300 system

    Functional Safety (FY)
    09/19
    English
  • Tank Gauging

    Система коммерческого и оперативного учета продуктов
    в резервуарных парках.

    Competence Brochure (CP)
    07/15
    Russian
  • Overfill prevention and leak detection in chemical storage vessels

    Overfill prevention and leak detection in chemical storage vessels.
    Companies setting up
    a spill prevention, control, and countermeasure plan often need to
    update their
    instrumentation.

    Case Studies (CS)
    12/17
    English
  • NAR300 - Picture

    Tank gauging

    Picture
    10/07
    English , Japanese
  • Sakura

    Product Code: NAR300-
    Declaration Number: HE_00269_01.16
    Manufacturer Specification: Explosion protection, EMC

    Manufacturer Declaration
    English
  • Sakura

    Product Code: NAR300-
    Declaration Number: HE_00270_01.16
    Manufacturer Specification: Performance characteristics

    Manufacturer Declaration
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Declaration Number: EC_00541_01.17

    EU Declaration
    German , English , fr
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Declaration Number: EC_00736_01.19

    EU Declaration
    English
  • Sakura, SYSTEM

    Product Code: NAR300-
    Approval Agency: TIIS
    Protection: Ex ia IIB T4

    Explosion Protection
    Japanese
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: Europe (ATEX)
    Approval Agency: FM
    Category: II 2 G, II 1/2 G
    Protection: [Ex ia] IIB Txxx°C Gb, Ex d [ia] IIB T4 Ga/Gb, Ex ia IIB T4 Ga/Gb

    Explosion Protection
    English
  • Sakura, SYSTEM

    Product Code: NAR300-
    Approval Agency: TIIS
    Protection: Ex ia IIB T4

    Explosion Protection
    Japanese
  • Sakura, System&Gauging

    Product Code: NAR300-
    Approval Agency: TIIS
    Protection: Ex ia IIB T4

    Explosion Protection
    Japanese
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: International (IECEx)
    Approval Agency: IECEx
    Protection: Ex d [ia] IIB T4 Ga/Gb

    Explosion Protection
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: Europe (ATEX)
    Approval Agency: FM
    Category: II 2 G, II 1/2 G
    Protection: [Ex ia] IIB Txxx°C Gb, Ex d [ia] IIB T4 Ga/Gb, Ex ia IIB T4 Ga/Gb

    Explosion Protection
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: Japan
    Approval Agency: CML
    Protection: [Ex ia] IIB Txxx°C, Ex d [ia] IIB T6 Gb, Ex ia IIB T5 Ga, Ex db [ia Ga] IIB T4 Gb

    Explosion Protection
    Japanese
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: Europe (ATEX)
    Approval Agency: FM
    Category: II 2 G, II 1/2 G
    Protection: [Ex ia] IIB Txxx°C Gb, Ex d [ia] IIB T4 Ga/Gb, Ex ia IIB T4 Ga/Gb

    Explosion Protection
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: Europe (ATEX)
    Approval Agency: FM
    Category: II 2 G, II 1/2 G
    Protection: [Ex ia] IIB Txxx°C Gb, Ex d [ia] IIB T4 Ga/Gb, Ex ia IIB T4 Ga/Gb

    Explosion Protection
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: USA
    Approval Agency: FM
    Category: I/1/C,D,E,F,G/T5, I/zone 0
    Protection: AIS, IS, XP/AIS, AEx [ia] IIB Txxx°C, AEx d [ia] IIB T4 Ga/Gb, AEx ia IIB T5 Ga

    Explosion Protection
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: International (IECEx)
    Approval Agency: IECEx
    Protection: Ex d [ia] IIB T4 Ga/Gb

    Explosion Protection
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: USA
    Approval Agency: FM
    Category: I/1/C,D,E,F,G/T5, I/zone 0
    Protection: AIS, IS, XP/AIS, AEx [ia] IIB Txxx°C, AEx d [ia] IIB T4 Ga/Gb, AEx ia IIB T5 Ga

    Explosion Protection
    English
  • Sakura

    Product Code: NAR300-, NRR261-, NRR262-
    Region/Country: International
    Approval Agency: TÜV

    Safety Integrity Level (SIL)
    English

Accessories / Spare parts

Nr
Order code
Specification
  • 21
  • 75
  • 31
  • 21
    • Nr 21 Order code 56004306

      Cover NRR261/Ex Interface Box

      Small terminal box cover, AC, E+H gray. Usage: NRR261/Ex Interface Box.

  • 11
    • Nr 11 Order code 017880-5026

      O-ring, terminal box, small, CR

      Size: D100mm, d3mm. Material: CR (Chloroprene Rubber). Part: terminal box, small. Usage: AT1/AT500, DRM9700, DU, NRR261/NRR263, NMT539 Converter, TGM5.

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