Technical parameters:

Measurement principle sequential injection spectrophotometry

Measurement range nitrate: 0-10 mg/L

Nitrite: 0-1.0 mg/L (can be expanded as needed)

Accuracy ± 8%

Accuracy ± 8%

Zero (range) drift ± 5%

Measurement cycle of 40 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;
• A single instrument can measure two parameters: nitrate and nitrate;
• Modular design, easy maintenance, and expandable range;
• 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;
• Supports 4-20mA, RS232/485 data transmission protocols, and MODBUS/TCP communication methods;