Features:
1. The accurate determination of chemical oxygen demand (COD) in various water, concentration of direct reading;
2. The article 60 standard curve can revise and save the memory;
3. The apparatus can be automatically calculated according to the standard sample and store the curve, no manual operation;
4. Accuracy can store 1000 data for detailed information (time, parameters, and the determination results);
5. Print all current data and historical data storage;
6. All current data to the computer transmission and storage of historical data;
7. Remove power with load quantity adjustment automatically, intelligent temperature control;
8. Automatic constant temperature, the countdown to remind, time can adjust at will and save regularly; Technical indicators:
Instrument types: 5 b - 2 c (H)
COD determination of projects:
Measuring range: 10-2500 mg/L (block)
Measurement accuracy: COD = 50 mg/L, plus or minus 10% or less
COD = 300 mg/L, plus or minus 5% or less
Determination of time: 20 minutes
Batch processing: 9 samples
Repeatability: plus or minus 5% or less
Light life: 100000 hours
Optical stability: 0.001 A / 10 minutes or less
Resistance to chloride interference: [Cl -] ﹤ 1000 mg/L no effect [Cl -] ﹤ 4000 mg/L (optional)
Colorimetric method: color plate
Data storage: 1000
The number of curve: 60
Display: LCD
Communication interface: RS232
Power supply: 220V
Features:
1. The accurate determination of chemical oxygen demand (COD) in various water, concentration of direct reading;
2. The article 60 standard curve can revise and save the memory;
3. The apparatus can be automatically calculated according to the standard sample and store the curve, no manual operation;
4. Accuracy can store 1000 data for detailed information (time, parameters, and the determination results);
5. Print all current data and historical data storage;
6. All current data to the computer transmission and storage of historical data;
