Multi parameter water quality analyzer

Multi parameter water quality analyzerComplies with the technical requirements and detection methods of HJ 924-2017 COD photometric rapid determination instrument

All testing items are based on national industry standards: COD - "HJ/T399-2007", ammonia nitrogen - "HJ535-2009", total phosphorus - "GB11893-89"

Multi parameter water quality analyzerFeatures

1. Compliant with standards: Designed and manufactured based on the principles of the national "Rapid Digestion Spectrometric Method (HJ/T399-2007)", in compliance with the JJG975-2002 Calibration Regulations for Chemical Oxygen Demand (COD) Testers, suitable for the detection of various domestic water and industrial wastewater;

2. Multi path interference free system: Equipped with a multi path interference free system, it can measure COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, chromaticity, and suspended solids. Supports two color comparison methods: dish color comparison and tube color comparison;

3. Self equipped digestion device: The instrument comes with a digestion device, which has functions such as intelligent heating, intelligent timing, and delay protection, and can digest water samples;

4. Easy to operate: adopting an intuitive menu navigation system and a 5.6-inch color touch screen design, which conforms to daily operating habits and is easier to operate and master;

5. Calibration function: The instrument comes with its own calibration function, which can calculate and store curves based on standard samples without the need for manual curve creation;

6. Accurate measurement: As a professional water quality analyzer, the concentration can be directly read, resulting in more accurate and stable measurement results;

7. Data transmission: Equipped with USB interface and infrared transmission function, it can transfer stored historical data to the computer;

8. Data storage and printing: can store 16000 sets of data and print current and historical data through the built-in printer;

9. Beautiful appearance: Adopting a specially designed mold shell, the whole machine is beautiful and elegant.

detection parameters

1、COD

1.1 Measurement range: (0~10000) mg/L (segmented)

1.2 Indication error: COD ≤ 50mg/L, error ≤± 8%; COD＞50mg/L， Error ≤± 5%

1.3 Anti chlorine interference: [CL -]<1000mg/L has no effect; [CL -]<4000mg/L (optional)

1.4 Repeatability: ≤± 3%

1.5 Optical stability:<0.005A/20min

1.6 Decomposition time indication error: ≤ 2%

1.7 Number of curves: 210

1.8 Storage data: 16000 pieces

1.9 Temperature control range: (45~190) ℃

1.10 Temperature indication error: ≤± 2 ℃

1.11 Temperature field uniformity: ≤ 2 ℃

1.12 Batch processing capacity: 12 units

2. Ammonia nitrogen

2.1 Measurement range: (0~160) mg/L (segmented)

2.2 Indication error: Error ≤ ± 5%

2.3 Repeatability: ≤± 3%

2.4 Optical stability:<0.005A/20min

3. Total phosphorus

3.1 Measurement range: (0~100) mg/L (segmented)

3.2 Indication error: Error ≤ ± 5%

3.3 Repeatability: ≤± 3%

3.4 Stability:<0.005A/20min

4. Total nitrogen

4.1 Measurement range: (0~100) mg/L

4.2 Indication error: Error ≤ ± 5%

4.3 Repeatability: ≤± 3%

4.4 Stability:<0.005A/20min

5. Turbidity

5.1 Measurement range: (0~250) NTU

5.2 Indication error: Error ≤± 10%

5.3 Repeatability: ≤± 3%

5.4 Stability:<0.005A/20min

6. Chromaticity

6.1 Measurement range: (0~500) Hazen

6.2 Indication error: Error ≤± 10%

6.3 Repeatability: ≤± 3%

6.4 Stability: ＜ 0.005A/20min

7. Suspended solids

7.1 Measurement range: (0~1000) mg/L

7.2 Indication error: Error ≤± 10%

7.3 Repeatability: ≤± 3%

7.4 Stability:<0.005A/20min

4、 Physical parameters

1. Display screen: 5.6-inch touch screen

2. Color comparison method: Both colorimetric dishes and colorimetric tubes can be used

3. Printer: Thermal line printer

4. Data communication port: USB interface, infrared interface (optional)

5. Instrument weight: 10.8Kg

6. Instrument size: (450 × 350 × 235) mm

5、 Environment and working parameters

1. Environmental temperature: (5-40) ℃

2. Environmental humidity: Relative humidity ≤ 85% (no condensation)

3. Rated voltage: AC220V ± 10%/50Hz

4. Rated power: 620W