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        產品資料
        產品[

        Particle Counter

        ]資料
        如果您對該產品感興趣的話,可以 產品名稱: Particle Counter
        產品型號: Met One 227A/227B
        產品展商: MetOne
        關注指數:3053
        產品文檔: 無相關文檔

        簡單介紹

        Met One 227A/227B HandHeld airborne Particle Counters Features ■ 0.5 micron at 0.1 CFM (227A) ■ 0.3 micron at 0.1 CFM (227B) ■ User-selectable second channel ■ battery operation ■ Weighs only 0.97kg

        Particle Counter

           的詳細介紹
        The Met One 227 Handheld Airborne Particle Counter features the sensitivity
        of larger instruments and easy handheld operation. Weighing only two
        pounds, the 227 features a 0.3 micron sensitivity (227B) or a 0.5 micron
        sensitivity (227A), and uses reliable laser diode technology.
        The Met One 227 counts two sizes of particles; the second size is userselectable.
        Configure sample times from one second up to 24 hours. To make
        the most of its portability, the 227 features several counting modes for quick
        analysis of cleanroom conditions.
        Concentration mode: Gives a continuously updated approximation
        of the number of particles per liter or cubic foot.
        The approximation is based on a user-selectable
        sample period of one to ten seconds.
        Auto mode: Automatically takes a specified number of samples
        and stops, allowing unattended operation.
        Average mode: Calculates the average, minimum, and maximum
        count after a specified number of samples.
        Beep mode: Sounds a beep each time it counts a specified
        number of particles.
        To protect cleanrooms, the Met One 227 contains an exhaust filter. The
        pump and sensor are turned off when the battery charge drops below a safe
        operating level, maintaining power to preserve data stored in memory.
        Print results to a remote printer or download data to a computer or
        facility monitoring system. Use PortAll Version 2 software with the 227
        to schedule automated data collection of particle counts. Track
        and identify trends to eliminate particle contamination sources.
        Features
        ■ 0.5 micron at 0.1 CFM (227A)
        ■ 0.3 micron at 0.1 CFM (227B)
        ■ User-selectable second channel
        ■ AC or battery operation
        ■ Stores data from 200 locations
        ■ Labels data with location
        ■ Internal rechargeable battery
        ■ Weighs only 0.97 kg (2.1 lbs)
        ■ Compatible with PortAll?
        Version 2 software
        Applications
        ■ Monitor and verify cleanrooms
        ■ Test filters in place
        ■ Investigate particle sources
        ■ Monitor:
        - Laminar Air Flow (LAF)
        - Biohazard benches
        - Cleanroom laundries
        - HVAC systems
        - Computer rooms
        - Food and beverage packaging
        - Hospital pharmacies, surgery rooms
        - Indoor Air Quality (IAQ)
        - Aerospace assembly
        - Medical device assembly
        - Automotive paint spray booths
        Easy to use, reliable and flexible
        handheld air particle counter
        Met One 227A/227B
        HandHeld airborne Particle counters
        Performance Specifications
        Size Channels 227A ch1 0.5 μm
        ch2 user selectable—0.7, 1.0, 3.0, or 5.0 μm
        227B ch1 0.3 μm
        ch2 user selectable—0.5, 1.0, 3.0, or 5.0 μm
        Flow Rate 2.83 LPM (0.1 CFM)
        Light Source Laser diode with 30,000 hours Mean Time to Failure (MTTF)
        Coincidence Loss Less than 5% at 70,600 particles/L (2,000,000 particles/ft3)
        Factory Calibration Mono-dispersed polystyrene spheres (NIST traceable)
        Display 4-line LCD, 7 digits
        Outputs RS-232C/RS-485 for computer or printer
        Location Labels 100, appear on printout
        Data Storage 200 samples, rotating buffer
        Sample and Hold Times 1 second to 24 hours
        Count Alarms 1 to 9,999,999 each channel
        Concentration Mode 1 second samples, 1 to 10 samples averaged, display updated
        every second; displays counts/L or counts/ft3
        Power AC adapter or internal battery pack
        Battery Rechargeable NiMH
        Battery Recharge Time 90% in 10 hours; 100% in 12 hours
        Operating Time 8 hours continuous
        Size 10.3 w x 17.5 h x 5.9 d cm (4 x 6.9 x 2.3 inches)
        Weight 0.97 kg (2.1 lbs)
        Environment Operating 12 to 29°C (55 to 84°F),
        20 to 95% relative humidity, non-condensing
        Storage -40 to 70°C (-40 to 160°F),
        up to 98% relative humidity, non-condensing
        Accessories Included Isokinetic Probe (direct mount); Purge Filter; Recharger Stand;
        AC Adapter; Operator Manual
        When ordering, specify Minimum Sensitivity 0.5 μm (227A) or 0.3 μm (227B)
        Power (AC) AC adapters for 100 VAC, 115 VAC, or 230 VAC
        Optional Accessories Relative Humidity/Temperature Sensor
        High Pressure Diffuser
        Printer, external
        Carrying/Shipping Case
        PortAll Version 2 Software
        Lit. No. DS-227A/B-US.0707
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