Online Silica Analyzer, HASI-4000, is a measuring equipment designed to enable measurement of low concentration range silica by using absorption spectrophotometry (molybdic acid blue method). HASI-4000 continuously measures the silica concentration in boiler water or ultrapure water for cleaning semiconductor by using Heteropoly blue method, and it can be also usefully applied for efficiency of driving turbine in power plant or QC in semiconductor chemical industry.
Characteristics
HASI-4000
- Distribution of Sample and Reagent Using Multi-channel Valves
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- Quantitative distribution of sample and reagent by using patented multi-channel valve system
- Accuracy
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- Use of high-performance micro-pulse control pump
- Accurate measurement of sample and reagent through correction per channel
- Immediacy & Expandability
Immediacy
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- Response within 15 minutes
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Expandability
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- Enables various water quality measurements using colorimetric method through change of only reagent and wavelength, if necessary
- Convenience in operation
Convenience
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- 3-point calibration and auto calibration function
- Easy and simple operation, self diagnosis
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Operation
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- Easy maintenance by simplification of the flow channel
- Easy operation by private-labeled operation program
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Specification
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- Measurement item
Silica (Si)
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- Measurement method
Absorbance spectrophotometry (Molybdic acid blue method)
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- Measurement range
0~5mg/L (Other ranges are available upon request)
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- Wavelength
810nm
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- Measurement interval
15 minutes (Adjustable)
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- Detection limit
0.01mg/L F.S.
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- Accuracy
±2% F.S.
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- Reproducibility
±2% F.S.
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- Calibration
Auto/manual calibration by standard solution
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- Detection method
Photodiode detector
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- Sample/Reagent measuring method
Step motor pulse control
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- Sample/Reagent distribution method
7-port distribution control method (Fixed quantity injection with multi-channel valve system)
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- Operation system
Windows 7 (CPU process) or more
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- Output
TCP/IP, DC 4~20mA, RS-232C
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- Status display
Normal operation, on calibration, error
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- Display
Color LED 10.4″ (Touch screen)
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- Power
AC 220V, 50/60Hz
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- Power consumption
Average 70W
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- Voltage regulation
3% or less
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- Data storage capacity
HDD 100G or more
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- Data output
USB terminal
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- Enclosure / Size
Steel, 1.5T (Except paint) / 645(W) — 439(D) — 1600(H) mm
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- Operating humidity
RH 95% or less
Application
Application Field
Power plant
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- Boiler influent monitoring
- Turbine influent monitoring
- Condensate water monitoring
- Demineralized water monitoring
Semiconductor
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- Process monitoring
Purified water manufacturing process
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- Process monitoring
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