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    PDA-7000 - Specs

    Optical Emission Spectrometer

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    Major Specifications

    Monochromator unit

    Dispersion system

    Paschen-Runge mounting for concave diffraction grating
    Diffraction grating

    Concave radius of curvature: 600 mm
    Number of grooves: 2400/mm
    Reciprocal dispersion: 0.69 nm/mm
    Wavelength range

    121 to 481 nm and 589 nm
    Evacuation system

    Direct-linked rotary pump. Ultimate pressure: 2 Pa
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    Excitation Unit

    Discharge voltage

    500 V or 300 V, selectable
    Discharge frequency

    One of three frequencies automatically set for the discharge conditions. 500 Hz max.
    Voltage accuracy

    Main voltage ± 1%
    However, input voltage coefficient of variation within ± 10%
    Discharge conditions

    6 types
    Counter electrode cleaning

    Automatic regeneration by reversing electrode polarity after each analysis
    Spark stand

    Stand for argon atmosphere
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    Readout unit

    Number of light receptors(channels)

    64 channels max.
    Method of measurement

    Single-pulse integration method Time-resolution PDA photometry

    Data Processing Unit Windows Kit

    Mainly adds the following functions

    1. Report functions Database functions

    Uses ACCESS for analysis results
    ACCESS is a registered Trademark of Microsoft Corporation
    2. Maintenance Instrument management functions

    Counter electrode replacement, stand cleaning
    Management of inlet slit position according to number of discharges
    Management of pump oil replacement and igniter cleaning periods

    Installed Environment

    The instrument highly resistant to dust and other environmental factors. However, avoid installing the data processing unit in an environment subject to vibrations, dust, and strong electrical fields.

    Area Approx.

    3x2m min.
    Temperature Approx.

    10°C to 28°C
    Humidity

    70± RH max.
    Note Heat generation approx.

    1100 kcal/hour
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    Power Supply

    200, 220, 230, or 240 V ± 10%, single-phase, 50/60 Hz, 4.0 kVA

    Ground

    Individually grounded 30 W max. Provide near the rear of the instrument.

    Gas

    Argon gas

    A central supply with switching between at least two cylinders is convenient.
    Argon gas purity 99.999% min.
    Dew point below –70°C.