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Product Features
  • High stability in harsh conditions
  • 4-second response time
  • Intelligent heated mirror
  • Remote non-intrusive testing
  • 5-year warranty
  • Multiple outputs
  • Designed to standards = SIL2 certified
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The Crowcon IR Plus Gas Detector is a dependable, durable, and exceptionally sturdy dual-beam infrared hydrocarbon gas detector. With optional display capabilities, this device ensures swift and fail-safe detection of methane, propane, and various other hydrocarbons further enhancing its reliability, and making it an ideal choice for demanding environments.


    IR Plus is a dual-beam infrared (IR) hydrocarbon detector, designed to ensure safety in the heavy industrial sector by providing real-time, fail-safe detection of methane, propane, and more. With over 50 years of expertise, Crowcon has engineered IR Plus to deliver unmatched stability, durability, and speed, even in the harshest environments. Intelligent heater optics and STAY-CLIR hydrophobic reflectors resist dust, moisture, and corrosive chemicals, eliminating false alarms and downtime.

      The IR Plus responds in just 4 seconds, quickly giving you critical safety information. Its tested resilience ensures reliability under extreme conditions, including high temperatures and humidity. Offering a leading 5-year warranty for reduced maintenance costs, the IR Plus also supports flexible, non-intrusive testing with multiple display options and standard output choices like 4-20 mA analogue, RS-485 (Modbus), Local-HART, and HART over 4-20 mA, making it adaptable for various monitoring systems.

        Unmatched Reliability:

        • ▪ Only IR detector of its kind to maintain stability in harsh conditions – no false alarms, reducing downtime Accurate detection of target gases
          • ▪ Remote, non-intrusive installation and testing, as well as serviceable optics
            • ▪ Monitor hard-to-reach areas
              • ▪ Integration with existing safety systems

                • Fast Response Times:

                  • ▪ IR Plus boasts the quickest response time when detecting minimal gas levels(1.0 l/m), IR Plus gives you the information you need fast.
                    • ▪ From its standard 4-second reaction to its unrivalled speed with the slightest gas exposure, it leads the market in rapid detection.

                      • Customisable:

                        • ▪ Range of mounting options including wall, pipe, duct and junction box.
                          • ▪ From no display to fixed display or IS Barrier with remote display, IR Plus has a variety of display options to suit your needs.
                            • ▪ Standard 4-20 mA analogue and RS-485 (Modbus) outputs, plus Local-HART & HART over 4-20 mA options.

    Specifications

    GASES

    Methane, Propane

    Contact Crowcon for more target gases

    SIZE

    194mm x 119mm x 94.2mm (7.6 x 4.7 x 3.7 ins)

    WEIGHT

    4.1kg (9.0lbs) IR Plus

    4.5kg (9.92lbs) IR Plus with Fixed IR Display

    4.9kg (10.8 lbs) IR Plus with IS Barrier Module

    0.2kg (0.4 lbs) IR Plus Remote Display

    ENCLOSURE MATERIAL

    316L Stainless Steel

    RESPONSE TIME (T90)

    4 seconds

    PERFORMANCE

    Zero Drift: ±2% FSD per year

    Repeatability: ±2% FSD

    Linearity: ±2% FSD

    IR SOURCE

    Intelligent heated optics with Stay-clIR hydrophobic mirror

    OPERATING VOLTAGE

    12v DC to 30v DC

    POWER

    < 5.5 W

    OUTPUT

    3-wire 4-20 mA (Sink or Source)

    2mA dirty optics warning (at 75% obscuration, configurable)

    0mA detector fault signal (at 90% obscuration, configurable)

    RS-485 Modbus

    HART 7 (optional)

    FAULT SIGNAL

    <3.6 mA and/or >21mA

    CONNECTION/PORT ENTRIES

    2 x M20 or 2 x ¾”NPT cable gland entry

    OPERATING TEMPERATURE

    -40°C to +70°C (-40°F to 158°F)

    OPERATING HUMIDITY

    0 to 95% RH non-condensing

    DEGREE OF PROTECTION

    IP66 (EN60529)

    IP ratings do not imply that the equipment will detect gas during and after exposure to those conditions

    FUNCTIONAL SAFETY

    IEC 61508*, EN 50402*, SIL2*

    PERFORMANCE STANDARDS

    IEC EN 60079-29-1*

    HAZLOC STANDARDS

    EN IEC 60079-0, IEC 60079-1, IEC 60079-11, IEC 60079-31

    EN IEC 60079-0, EN 60079-1, EN 60079-11, EN 60079-31

    APPROVALS

    ATEX, IECEx, INMETRO*, CCC*, PESO*, ECAS*, FM*

    EMC COMPLIANCE

    EN50270, FCC CFR47 Part 15B, ICES-003

    WARRANTY

    5 years

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