Heavy metal water quality online monitoring instrument - photometric method

Technical parameters:

Measurement principle sequential injection spectrophotometry

Measurement range of hexavalent chromium 0.05-100 mg/L (can be expanded as needed)

Total chromium 0.02-1.0/2.0/5.0 mg/L (can be expanded as needed)

Copper ions 0.05-2/5/8/80 mg/L (can be expanded as needed)

Total copper 0.05-5 mg/L (can be expanded as needed)

Water quality nickel 0.05-2/5/10 mg/L (can be expanded as needed)

Total nickel 0.05-10/80 mg/L (can be expanded as needed)

Total iron 0.08-10/50 mg/L (can be expanded as needed)

Total manganese 0.05-10/50 mg/L (can be expanded as needed)

Total Zinc 0.05-10 mg/L (can be expanded as needed)

Accuracy ± 10%

Accuracy ± 8%

Zero (range) drift ± 8%

Measurement cycle 15-25 minutes

MTBF ≥ 720 hours/time

Working environment temperature: 5-40 ℃; Humidity: 10-95%

Power supply 220 ± 20 volts; 50 ± 10 Hz

Digital communication 4-20mA, RS232/RS485

Functional features:

• The sequential injection platform is fully automated for analysis, automatic cleaning, and the cycle can be set arbitrarily;
• Modular design, easy maintenance, and expandable range;
• Fault alarm, error alarm, automatic power-off protection design, and automatic data recovery function for incoming calls;
• Adopting industrial touch screen operation and display, menu based operation interface;
• Adopting high-quality industrial PLC to reduce system failure rate, with strong anti-interference and lightning resistance capabilities;
• Supports 4-20mA, RS232/485 data transmission protocols, and MODBUS/TCP communication methods;