Features: 1. Digester and color-meter are separated, does not interfere the testing. PID automatic temperature control. 2. Digestion time only needs 10min. 3. Cold light source, narrow-band wavelength interference, excellent optical stability. 4. Auto-zero function. 5. Power failure protection. 6. Can store every 10 standard curves of COD, NH3-N and TP, and 99 groups of record datas. 7. Large size LCD. Technical Parameters: 1. Measuring Range: COD (abbr. Chemical Oxygen Demand): 10~2000mg/L (Two ranges: 10~200 mg/L,200~2000 mg/L); NH3-N (abbr. Ammonia Nitrogen): 0.02~10mg/L; TP (abbr. Total Phosphorus): 0.00~20mg/L 2. Precision: COD: ≤±5 %, NH3-N: ≤±3 %( F.S), TP: ≤±5 %( F.S) 3. Repeatability: ≤±3% 4. Anti-Chlorine Interference: ≤1200mg/L(COD) 5. Temperature Control System: Set Range: room temperature~180º C; COD digestion temperature: 165°C; TP digestion temperature: 120°C 6. Temperature Precision: ±0.5°C 7. Digestion Time: COD 10min, TP: 30 min 8. Wavelength: 610nm(COD), 420nm(NH3-N), 610 nm(TP) 9. Optical Stability: absorb shift ≤0.002A /20min 10. Power Consumption: <500W 11. Operating Condition: Operating Temperature Range: 5~40°C Relative Humidity: ≤85% Power Supply: AC(220±22)V;(50±0.5)Hz No obvious vibration and electromagnetic interference, avoid direct sunlight. 12. Sample Quantity: 16/25/36(selectable) 13. Weight: 4 kg 14. Dimensions: Main Unit: 266mm×200mm×130mm Digester (DIS-16 type): 216mm×320mm×146mm
Features: 1. Digester and color-meter are separated, does not interfere the testing. PID automatic temperature control. 2. Digestion time only needs 10min. 3. Cold light source, narrow-band wavelength interference, excellent optical stability. 4. Auto-zero function. 5. Power failure protection. 6. Can store every 10 standard curves of COD, NH3-N and TP, and 99 groups of record datas. 7. Large size LCD.