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    計算機配氣系統

    ]資料
    如果您對該產品感興趣的話,可以 產品名稱: 計算機配氣系統
    產品型號: 2000
    產品展商: Environics
    關注指數:3184
    產品文檔: 無相關文檔

    簡單介紹

    2000型計算機配氣系統:automatically blends and dilutes gases to generate precise gas calibration standards, create gaseous atmospheres or produce gas mixes for analytical research or production purposes.

    計算機配氣系統

       的詳細介紹
    2000型計算機配氣系統:
    The Environics® Series 2000 Computerized Multi-Component Gas Mixer 計算機配氣系統automatically blends and dilutes gases to generate precise gas calibration standards, create gaseous atmospheres or produce gas mixes for analytical research or production purposes. The Series 2000 dynamically produces complex mixes containing up to eight(8) individual component gases in a balance gas. Each component concentration may be independently varied in response to user commands. The Series 2000 can produce gas concentrations from percent levels to ppb for single or multi-point calibration of gas chromagraphs, process gas analyzers, mass spectrometers, FTIR's and other gas analytic devices.

    The Series 2000 consists of a single chassis supporting up to nine (9) mass flow controllers, a serpentine pre-mix zone and a zero dead-space final mixing zone. Gas wetted surfaces are electro- polished 316 stainless steel. Seals are gas-compatible elastomer. User interface includes a backlit 80 character by 25 line liquid-crystal display and membrane keypad.

    The instrument's mass flow controllers are factory calibrated using a primary flow standard traceable to the United States National Institute of Standards and Technology (NIST). The calibration data consists of an eleven-point comparison of commanded versus actual flow with linear interpolation between the points.

    The Series 2000 計算機配氣系統is available in either a standard rack mount or bench top configuration. The optional RS-232 serial data interface permits remote or computer operation of the instrument.

     


    PRODUCT FEATURES AND BENEFITS

    • Simultaneous 8 component dynamic mixing, with automatic computation of component and balance gas flows, allows the user to formulate complex gas standards and vary the concentration of each individual component at will.
    • Multi-component capability permits the user to generate a wide range of complex standards with a minimum inventory of expensive, long lead-time, multi-component gas cylinders. Save on gas costs, cylinder rental and handling labor.
    • Internally-stored mass flow controller calibration data improves accuracy.
    • High capacity memory permits storage and recall of up to 200 multi-component "recipes" saving time and reducing errors.
    • 25 line by 80 character display permits viewing of data in worksheet form.
    • Modular design allows adding additional gas circuits later, reducing initial investment and protecting against obsolescence.
    • RS-232 Serial Data Interface permits remote operation and complete integration with a computer-controlled system.


    SOFTWARE:

    The Series 2000 has six primary routines accessible through on screen "soft" keys.
    • Concentration Mode: User enters Target Output Gas Concentration (ppm or %) for each component. The actual concentration is displayed during mixing.
    • Flow Mode: User enters Target Flow Rate (cc's per minute) for each component gas. Actual flow rates are displayed after mixing is initiated.
    • Maintain Ports: User enters the name of the component gas in the source cylinder, its concentration (ppm or %) and the port to which it is connected.
    • Automatic Sequencer: Permits unattended automatic operation of the instrument on a programmable seven-day schedule.
    • Purge Mode (Optional): Purge component gas circuits and mixing zone.
    • Status (Optional): Allows user to remotely activate different modes of the system and also activate external devices.


    SPECIFICATIONS

    Performance (as a percent of setpoint)

    Accuracy              From 10 to 100% of Full Scale Flow   Concentration:         ?1.0%   Flow:                  ?1.0%Repeatability:             0.05%
    *Mass flow controllers are calibrated using a NIST Traceable Primary Flow Standard,
    using a reference temperature of 0癈 (32癋) and a reference pressure of 760 mm Hg (29.92 in. Hg).

    Warm up time: 30 minutes

     

    Mechanical

    Gas connections  1/4" Swagelok (or compatible fitting)
    Operating Pressures  Minimum:       10 psig (0.67 Bar)  Recommended:   25 psig (1.68 Bar)  Maximum:      150 psig (9.87 Bar)                 75 psig (5.04 Bar) with Purge option
    Wetted Surfaces  Tubing:       Electropolished 316 Stainless Steel                (Optional - Teflon, Hastelloy, Monel)  MFC's:        Stainless Steel (Optional - Hastelloy, Monel)  Seals:        Viton® (Optional - Kalrez®, Buna-N, Neoprene, Metal)
    Operating temperature:    32?- 122?F   (0?- 50?C)Performance temperature:  59? - 95?F  (15?- 35?C)
    Weight  Minimum:      35 lbs. (16 Kg.)  Maximum:      70 lbs. (32 Kg.)
    Dimensions (w x h x d)  Portable:  17" x 7" x 23.5"             (43.18 cm x 17.78 cm x 59.69 cm)  Rack:      19" x 7" x 23.5"             (48.26 cm x 17.78 cm x 59.69 cm)

    Electrical

      Standard:  115 VAC (100 to 130 VAC), 50/60 Hz  Optional:  220 VAC (200 to 260 VAC), 50/60 Hz  Current:     3 Amps (maximum)

    Electronics

      Inmos T 400 series, 32 bit processor  12 bit A/D and D/A conversion

    Operating Modes

      Front panel membrane keypad  Internal timer control  RS-232 terminal mode / Remote computer control (optional)  Status board interface (optional)  Other communications options available

    Data Output

      Optional RS-232 serial port / Parallel printer port interface
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