2 Specification
2-2
2 Specification
2.1 Spectrometer
• Mounting Paschen-Runge mounting of concave grating
• Focal length 600 mm
• Wavelength range 121 to 589 nm
• Evacuation system Vacuum pump Rotary vacuum pump
• Temperature control Set temperature 40°C
Control precision Set temperature ±1°C
(Under room temperature of 10 - 28°C)
• Number of photomultipliers 64 maximum
2.2 Excitation unit
(1) Spark stand
• Gas type Argon gas
• Gas consumption During analysis Approximately 3L (n=2)
Standby 1L / min.
Sleep 0.1L / min.
(2) Excitatiion source unit
• Main voltage 500V / 300V
• Discharge frequency 40Hz - 500Hz
(Three types of setting available)
• Discharge conditions 5 conditions
• Voltage precision Main voltage ±1%
(Input voltage fluctuation should be within
±10%)
• Electrode reconditioning > Auto reconditioning by discharge polarity
reverse at the end of each analysis
> Manual reconditioning
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