Silica(SiO₂) Analyzer

1
Convenient maintenance
- Easy tube replacement & disassembly
- Simplified structure
- Data storage function (USB)
2
7” Color LCD Monitor
3
Display of data trend
4
Grab sample analysis
5
Automatic calibration by standard solution
6
Multichannel operation (1∼6ch)
7
Applications
- Silica ion monitoring of boiler water and feed water in power plant
- For water quality management of pure water production facilities

Technical Specifications


Model	AS-300N	AS-300H
Measuring Principle	Colorimetric Method (Molybdenum blue)	Colorimetric Method (Molybdenum yellow)
Measuring Range	0∼50 to 50∼500 μg/L (ppb)	0∼50 mg/L (ppm)
Display	0.1 μg/L (ppb)	0.1 mg/L (ppm)
Accuracy	0∼50 μg/L : ±1.0 μg/L	0~30 mg/L : ±0.2 mg/L
Accuracy	50~500 ㎍/L : ±2 %	30~50 mg/L : ±5 % and over
Response Time	12 min App.	12 min App.
Temperature Compensation	Automatic
Calibration	Automatic by standard solution
Sample Pressure	1∼5 bar
Sample Temperature	5∼45 ℃
Sample Flow	200∼500 ml /min
Reagent Consumption	80 days (Reagent A, C, STD A, B / 2 liter, Reagent B / 1 liter)	80 days (Reagent A, STD A, B / 2 liter, Reagent B / 1 liter)
Data Output	4∼20 mA 2 ea, Alarm 2 ea, RS 485 Modbus (Option)
Degree of Protection	IP65( NEMA 4x): Electronics, IP55(NEMA 4): Wet part
Power	100∼240 VAC (50/60 Hz)


Part No.	Description	Replacement Cycle	Remarks
S300-010	Reagent pump tube	3 months	Tube set (A, B, C)
S300-011	Fitting tube 5M	6 months	Reagent injection tube
S300-012	Reagent bottle cap with weight	1 year	Bottle cap with tube, fitting and weight
S300-014	Chamber sample inlet tube 1M	6 months	Sample inlet tube to chamber
S300-016	Reagent A	80 days	Reducing reagent (2 liter)
S300H-016	Reagent A	80 days	Molybdate reagent (2 liter)
S300-017	Reagent B	80 days	Oxalic reagent (1 liter)
S300H-017	Reagent B	80 days	Oxalic reagent (1 liter)
S300-018	Reagent C	80 days	Molybdate reagent (2 liter)
S300-019 S300H-019	Standard solution A	80 days	High Point (2 liter)
S300-020 S300H-020	Standard solution B	80 days	Low Point (2 liter)
S300-022	Pump(Standard solution)	Failure	Supply pump for standard solution or grab sample
S300-023	Pump(Reagent)	Failure	Supply pump for reagent
S300-024	Electromagnetic flow meter	Failure	Monitor for sample flow rate
S300-025	3 Way Solenoid valve	Failure	For multi-channel
S300-035	Sample filter		For preventing impurities inflow