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.

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