Measurement method: Alkaline potassium persulfate high-temperature digestion, spectrophotometric method (improved method according to standard GB11894-89)
Test range: (0-1.0) mg/l, (1.0-15.0) mg/l, (15.0-200.0) mg/l Three range options are available
Offline detection: 0.01mg/l
Resolution:<0.01mg/l
Accuracy: Standard solution<5%; Water sample<10%
Reproducibility:<5%
Measurement cycle: 55 minutes, adjustable
*Running time: ≥ 720h/time
Range drift: ± 5% F.S
Sample interval: continuous, 1 hour, 2 hours... 24 hours, trigger
Calibration interval: manually or automatically at selected intervals and times (1-7 days)
Cleaning interval: manually or automatically at selected intervals and times (1-7 days)
Maintenance interval:>1 month, approximately 1 hour each time
Reagent consumption: Approximately 358 samples per set of reagents
Human computer interface: 7-inch, 70000 colors, 800 * 480 resolution, TFT true color touch screen
Printing: Reserved printer interface, can be connected to an external industrial micro printer (optional)
Storage: 20000 pieces of data, not lost in case of power failure, automatically overwrite early data when full (can add 40000 pieces of data)
Communication interface: 1 RS232 digital interface or RS485, supporting MODBUS communication protocol or custom protocol
1 analog signal 4-20mA (20mA corresponds to adjustable range)