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Instrument Database:
Beijing Rayleigh Analytical Instrument Corporation (BRAIC) - WLD-4C Optical Emission Spectrometer
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| Year of introduction |
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| Status |
available |
| Company |
Beijing Rayleigh Analytical Instrument Corporation (BRAIC)
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| Categories |
Spectrometer ( Atom. ): AES: Arc/Spark
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Features:
- Reasonable design and perfect performance；
- Rapid analysis, perfect repeatability and stability；
- High integrated data collection and control system, high automatic degree；
- Used for many kinds of matrix analysis: Fe, Co, Ni, Ti, Cu, Al, Pb, Mg, Zn, Sn etc.
- High repeatability & stability excitation source is adopted. Excitation frequency can
- change in 150 ~ 600 Hz range. Select it based on analysis material user analyzes, to reach best analysis effect.
- Computer software is user-friendly and easy to be operated；
- Database is built in. User can transfer data through the internet, convenient and quick.
- Shake-protection performance is strong, and there is no need to make shake-protection base.
- Local constant-temperature technique is adopted to ensure the normal operation,minimizing
- requirement to environmental conditions.
- Operations and maintenance are easy and convenient, and maintenance cost is low.
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| Specifications |
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Spark Source
Power supply: AC 220v ±1% 50 Hz
Input power: 1.0 kVA
Charge capacitance: Pre-burn 7 µf, Expose 1.5 µf
Discharge Inductance: Pre-burn 35 µh; Expose 70μh
Peak current: Pre-burn 100A; Expose 35A
Peak voltage: 300V
Ignite circuit: Amplitude of pulse +15 KV
Auxiliary gap 5mm
Discharging frequency: 300 Hz/150Hz or 400Hz/200Hz
Optical Unit
Spectrum range: 175∼450 nm
Optical channels: up to 36 channels
Concaved grating: Focus length 750 nm
Groove density 2400 lines /mm
Ruled area 30 mm × 50 mm
Blaze wavelength 300 nm
Linear dispersion 0.55nm/mm
Width of entrance slit: 20 µm
Width of exit slit: 50 µm, 75 μm
Constant temperature: 30±0.1 ℃
Gas supply pressure: 0.01~0.02MPa
Readout Unit
Readout mode: Subsection integration
Repeatability RSD ≤ 0.2%
Integrate capacitance 0.047 µf
PMT HV power supplies
Voltage -1000v
Stability ≤0.5% (8 hours)
HV adjustment Change through computer software
Data Processing Unit
Hardware: Computer embedded system, CPU main frequency 300MHz
Display industrial 12.1 inch LCD
Printer 24 pins
Software (Please refer to WLD-4C Multi-channel Optical Emission Spectrometer
Software Guide Book.)
Physical Data
Mainframe: 1500 (l) ×1100 (w) × 1200 (h) mm3
Weight: about 450 kg
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