PDA-7000

Optical Emission Spectrometer

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

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

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

For Research Use Only. Not for use in diagnostic procedures.

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