Sulphate Analyzer
Model CA-600
The Sulphate Analyzer is an on-line sequential sampling analyzer, a sequence of sampling, analysis and result processing is performed and repeated using colorimetric methods. The measurement is a colorimetric analysis using an LED light source and a heated colorimetric cell designed for measuring trace amounts of analyse in water.
The colorimetric analyzer is assembled with two separated sections. The bottom section is the LIQUIDS section. It includes all of the components involved in the flow, mixing and reaction stages of the sample and reagents. Numerous analysis configurations can be programmed, depending on accessories and of the number of micro pumps mounted in the Liquid Section. The top section is the ELECTONICS enclosure. It includes the main power supply, the controller PCB assembly and the touch screen interface.
The measuring Principle
The analyzer uses an adaptation of the turbidimetric method to measure Sulphate. The Sulphate is precipitated as barium sulphate with an excess of barium chloride. A conditioning reagent is added to maintain the barium Sulphate suspension. When the reagent is added to a sample containing Sulphate, it will cause turbidity in the sample. The absorbance (turbidity) intensity is proportional to the Sulphate concentration in the sample and is measured at 430 nm.
• Simple & Reliable
• Easy installation
• User friendly
• Menu structure touchscreen
• Easy interface Configuration
• Two separate compartments
• Low Reagent Alarms
• Cost Effective & Low Maintenance
• Adjustable Cycle time to minimize reagent usage
Measuring principle | Differential photometric absorbance/colorimetric (Turbidimetric Method) |
Measuring range | 0.5 to 50 ppm SO4 2- for the 26 mm cell 1 to 150 ppm SO4 2- for the 16 mm cell Up to 5000 ppm SO4 2- with internal dilution |
Reproducibility | ± 0.5 ppm or ± 5%, whichever is greater (26 mm cell) ± 1 ppm or ± 5%, whichever is greater (16 mm cell) |
Cycle time | 6-8 minutes, including conditioning before analysis cycle and rinsing after measuring |
Accuracy | Depends upon specific range measurement |
Sample Temperature | 41 – 122 °F (5 to 50 °C) |
Sample Pressure | Pressure-free from overflow vessel |
Sample Flow | 80 to 500 mL/min |
Sample Connections | 6 mm (¼-in.) |
Drain Connections | 12 mm (½-in.) |
Monthly reagent consumption (15 minutes analysis frequency) | 2 L for the 16 mm cell 3 L for the 26 mm cell |
Number of streams | 1, 2 with integrated switching valve Other with external sequencer |
Power supply | 100 – 240 VAC 50/60 Hz |
Analog Output | 4-20 mA outputs |
Digital Output | Modbus RTU RS485 |
Alarms | 4 SPDT programmable potential free relays |
Operating Temperature | 41 – 113 °F (5 – 45 °C) |
Humidity | 10 to 90% non-condensing |
Installation | Panel mount, Wall mount, Rack mount |
Ingress Protection | IP 65 |
Dimensions (H x W x D) | 23.6 x 15.0 x 8.2 in / 606 x 380 x 209 mm |
Weight | Approx. 44 lbs (20 Kg) |
• Drinking water
• Waste water
• Raw water
• Process control