SMART S-MS 3A

The SMART S-MS 3A is a SIL2 certified fixed gas detector designed to meet the toughest industrial standards.

The detector is made for the requirements of heavy industries and comes with the option of aluminium or stainless steel enclosure and Optional HART and 3-relay card. The device is SIL2 Hardware and SIL3 Software certified

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    Overview

    The SMART S-MS 3A is a SIL2 certified fixed gas detector ideal for flammable and toxic gas detection

    Made for heavy industries

    Designed to meet the toughest industrial standards across oil and gas, refining and petrochemical industries.

    System personalisation

    • Choice of sensor head based on the gas to be detected
    • Choice of transmitter (3-relay board, HART modem)
    • Choice of enclosure (aluminium / steel, number of entrances)

    Safety Integrity Level (SIL) certification

    SMART S-MS 3A is SIL2 hardware and SIL3 software; with a redundant system also the hardware is SIL3.

    Specification

    Size H145 x W187 x D108 mm (5.7 x 7.4 x 4.25ins)
    Weight 1.5kg
    Enclosure material Die-cast aluminium with colour and chemically resistant epoxy paint
    Ingress Protection IP65
    Connection 2 or 3 x 3/4” NPT
    Power 12-24 Vdc
    Display None
    Electrical output Analogue 4-20 mA output; RS485 serial output; 3 relay board (optional); HART modem (optional)
    Operating temperature -40 / +65°C (catalytic sensor)
    -30 / +55°C (electrochemical sensor)
    Humidity 20 / 90% RH @40°C (catalytic sensor)
    15 / 90% RH non-condensing (electrochemical sensor)
    Response time t90 < 60 s ; t50 < 20 s
    Performance Tested in accordance with EN 60079-29-1 standard
    Functional safety SIL2 hardware and SIL3 software
    Approvals ATEX, IECEx
    Ex db IIC T5 Gb

    Gases

    Sensor type
    Acetone (C3H6O) Catalytic pellistor
    Acetylene (C₂H₂) Catalytic pellistor
    Ammonia (NH3) Catalytic pellistor / Electrochemical
    Butane (C₄H₁₀) Catalytic pellistor
    Carbon Monoxide (CO) Electrochemical
    Cyclopentane (C₅H₁₀) Catalytic pellistor
    Ethane (C₂H₆) Catalytic pellistor
    Ethanol (C₂H₆O) Catalytic pellistor
    Ethyl Acetate (C₄H₈O₂) Catalytic pellistor
    Ethylene (C₂H₄) Catalytic pellistor
    Heptane (C₇H₁₆) Catalytic pellistor
    Hexane (C₆H₁₄) Catalytic pellistor
    Hydrogen Sulphide (H2S) Electrochemical
    Hydrogen (H2) Catalytic pellistor / Electrochemical
    ISO Butane (C4H10) Catalytic pellistor
    JP8 Catalytic pellistor
    LPG Catalytic pellistor
    Methane (CH₄) Catalytic pellistor
    Methanol (CH₃OH) Catalytic pellistor
    Methyl Ethyl Ketone (MEK) Catalytic pellistor
    Nitric Oxide (NO) Electrochemical
    Oxygen (O2) Electrochemical
    Pentane (C₅H₁₂) Catalytic pellistor
    Petrol Vapours Catalytic pellistor
    Propane (C₃H₈) Catalytic pellistor
    Propyl alcohol (C₃H₈O) Catalytic pellistor
    Propylene (C3H6) Catalytic pellistor
    Styrene (C8H8) Catalytic pellistor
    Toluene (C7H8) Catalytic pellistor
    Xylene (C₈H₁₀) Catalytic pellistor

    Downloads

    Certificate
    Datasheet

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