Online monitoring instrument for total phosphorus water quality

Technical parameters:

Measurement principle sequential injection spectrophotometry

Measurement range 0.05-2/10/50 mg/L

Accuracy ± 10%

Accuracy ± 8%

Zero (range) drift ± 5%

Detection limit of 0.05 mg/L

Measurement cycle of 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;
• Design of high-temperature and high-pressure digestion tubes to reduce actual usage and extend maintenance time;
• All metal peristaltic pump, improves pump tube wear and extends service life;
• Fault alarm, error alarm, automatic power-off protection design, automatic restoration of working status upon incoming call;
• 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;