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    Land Millwatch Carbon Monoxide Detectors

    Manufacturer:
    An advanced carbon monoxide detector designed to provide early warning of spontaneous combustion in pulverisers for coal and biomas
    Part Number: Millwatch
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    Specifically designed for early detection of potential fire risk in pulverizing mills in coal or biomass processes, Millwatch monitors and quickly responds to sudden carbon monoxide (CO) build-up, allowing preventative action to be taken before a hazardous condition develops.

    Using AMETEK Land’s unique detection system, Millwatch provides continuous, accurate monitoring of CO levels – improving process safety, protecting expensive mill equipment, and preventing costly downtime from unnecessary shutdowns.

    Millwatch continuously extracts sample gases from the mill outlet for a constant, dual-sensor CO measurement. Customisable alarms adapt to individual plant process conditions, while automatic calibration ensures high measurement integrity is maintained 24/7.

    Specifically designed for power generation operators who need to improve process safety in mills and pulverisers using coal and biomass fuels, Millwatch ensures the protection of people, plant and process.


    Reliable Monitoring

    Millwatch has been proven in dozens of applications worldwide, providing enhanced safety and continuous monitoring. The detector’s extractive dual sensor system allows very high stability and automatic detection of calibration drift.


    Fast, Continuous Measurements

    Millwatch features truly continuous measurement with no multiplexing. The fast response (T90 typically < 50 seconds) to increases in CO levels provides early warning to the operator, enabling prevention of plant damage and personnel injury.


    A Rugged Sample System

    To ensure maximum lifetime and reliability of the detector, the mill probe uses a large area stainless steel filter and a hardened abrasion shield. Blowback keeps this filter clear, ensuring minimum downtime. Freeze-protected sample lines are available for outdoor applications.


    Millwatch is AMETEK Land’s carbon monoxide detector for detection of early-stage combustion in biomass and coal mills.

    Download Coal Handling Safety Application Note >>

    Technical Information

    Measurement Range

    CO Measurement Ranges

    		 0-100 up to 2000 ppm in 50 ppm steps

    Resolution

    1 ppm / 1 mg/m3

    Optional O2 Ranges

    		 0 - 5 % to 0 - 25 %

    Calibration

    Calibration Method

    		 Automatic 2-point calibration span and zero 

    User Interface

    Type

    		 LCD with backlight 4 x 20 character, 8 access keys

    Outputs/Inputs

    Analog Output

    		 4 to 20 mA isolated current loop for each CO & O2 measurement

    Relay Outputs

    		 2 x Level Alarms; System OK; Calibration/Maintenance

    Relating Rating

    		 Isolated changeover (Type C) 1 A @ 240 V a.c. or 5 A @ 240 V d.c.

    Environmental

    System Enclosure

    Painted steel, sealed IP65 / NEMA 4

    Ambient Temperature

    		 0 to 45 °C / 32 to 113 °F standard;
    to -20 °C / -4 °F with optional case heater;
    to 50 °C / 122 °F with optional vortex cooler

    Compliance

    EMC

    		 Conforms to EN-50 081 & EN-50 082

    Electrical Safety

    		 Conforms to EN-61010-2

    Power

    Power Supply

    		 100 - 120 V a.c. or 190 to 240 V a.c., 50-60 Hz, 300 VA

    Gas and Air Requirements

    Instrument Air (cooling)

    		 5 - 10 bar / 70 - 150 psi clean and dry, 300 l/min/10.5 cfm

    Calibration Gas

    100 ppm to 500 ppm CO, balance N2 recommended
    2 bar / 30 psi
    20 litres (0.7 cu.ft.) per calibration approx.

    Mechanical

    Size (H x W x D)

    		 600 x 600 x 350 mm / 24 x 24 x 14 in.

    Weight

    		 53 kg . 117 lb.

    Options

    		 Twin Stream CO
    System Sample Probe and Lines
    Heating / Cooling
    Z-purge for hazardous area operation
    Oxygen measurement (Single Stream only)

    Strengthening Plant Safety in Coal and Biomass Handling, Storage, Milling and Transportation

    We introduce early detection techniques of spontaneous combustion in coal and biomass handling, storage, milling and transportation. Attendees will learn about issues involved and how AMETEK Land can help producers and users to operate their sites more safely and effectively.


    Coal Handling Safety - Application Note

    Strengthening plant safety in coal grinding mills and storage silos with carbon monoxide monitoring.


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    • Steel: The infrared thermometers offer process solutions across more than 50 individual applications, ensuring process efficiency and continue reading >>
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    Specifically designed for early detection of potential fire risk in pulverizing mills in coal or biomass processes, Millwatch monitors and quickly responds to sudden carbon monoxide (CO) build-up, allowing preventative action to be taken before a hazardous condition develops.

    Using AMETEK Land’s unique detection system, Millwatch provides continuous, accurate monitoring of CO levels – improving process safety, protecting expensive mill equipment, and preventing costly downtime from unnecessary shutdowns.

    Millwatch continuously extracts sample gases from the mill outlet for a constant, dual-sensor CO measurement. Customisable alarms adapt to individual plant process conditions, while automatic calibration ensures high measurement integrity is maintained 24/7.

    Specifically designed for power generation operators who need to improve process safety in mills and pulverisers using coal and biomass fuels, Millwatch ensures the protection of people, plant and process.


    Reliable Monitoring

    Millwatch has been proven in dozens of applications worldwide, providing enhanced safety and continuous monitoring. The detector’s extractive dual sensor system allows very high stability and automatic detection of calibration drift.


    Fast, Continuous Measurements

    Millwatch features truly continuous measurement with no multiplexing. The fast response (T90 typically < 50 seconds) to increases in CO levels provides early warning to the operator, enabling prevention of plant damage and personnel injury.


    A Rugged Sample System

    To ensure maximum lifetime and reliability of the detector, the mill probe uses a large area stainless steel filter and a hardened abrasion shield. Blowback keeps this filter clear, ensuring minimum downtime. Freeze-protected sample lines are available for outdoor applications.


    Millwatch is AMETEK Land’s carbon monoxide detector for detection of early-stage combustion in biomass and coal mills.

    Download Coal Handling Safety Application Note >>

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