Test method: Potassium dichromate high-temperature digestion, colorimetric determination
Test range: 10~5000mg/L
Detection limit: 3.3mg/L (calibration curve method); 8m/L (blank method)
Resolution:<1mg l=''>1mg>
Accuracy:>100mg/L:<>

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Reproducibility:>100mg/L:<>

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Response time (90%): 20 minutes
Dissolving time: 3, 5, 10, 20, 30, 40, 60, 80, 100, 120 minutes, automatic
Test interval: continuous, 1, 2, 3, 4, 5... 24 hours, trigger mode
Calibration interval: automatically performed at the selected interval (duration: 60 minutes)
Cleaning interval: automatically performed at the selected interval (duration: 10 minutes)
User maintenance: Maintenance interval>1 month, approximately 1 hour per month
Reagent consumption: * 1 month less (reagents and standard solution)
Self checking system: self-monitoring of leaks; Instrument status self diagnosis
Analog output: 2-channel 0/4-20mA analog output
Relay control: 2-channel 24V 1A relay high and low point control (instrument control can be defined)
Service interface: RS232
Data communication: MODBUS RS485, ProfibusDP, Can achieve bidirectional communication and remote control
Display: Large screen LCD chart display, 240 * 128
Operating System: Chinese/English
Data storage: 2000 sets
Sample pH: 1-12
Dissolving temperature: 175 ℃
Working temperature:+5~+40 ℃
Power supply: 230VAC ± 10%/50-60Hz
Power consumption: approximately 100VA
Size: 550mm x 810mm x 390mm