Shimadzu PDA-7000, Instruction Manual

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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