Brief introduction

The TC-401 COD ammonia nitrogen total phosphorus total nitrogen detector is an integrated measuring instrument developed and designed by our company based on the needs of customers, with reference to industry standards, specifically for measuring COD, ammonia nitrogen, total phosphorus, and total nitrogen. This measuring instrument is equipped with PID automatic adjustment technology and functions such as curve self calibration and automatic zero adjustment, which enhances the accuracy and stability of the instrument; In addition, this measuring instrument is equipped with features such as a micro thermal printer, which greatly facilitates the use of laboratory personnel. Guang Fan is applied in industries such as laboratory testing, sewage treatment, colleges and universities, environmental monitoring, sewage treatment, and colleges and research institutions.

2、 Main features

1. The measurement system adopts advanced optical systems and cold light sources, with high measurement accuracy, small drift, and good stability;

2. Adopting a 13:7 series high brightness large screen LCD display, with a Chinese operating system for easy operation;

3. The digestion system is independent of the measurement system and does not interfere with each other;

4. The digestion system adopts PID regulation technology, which has high temperature control performance, good stability, and saves energy consumption;

5. The instrument has an automatic calibration function, which can automatically adjust the calibration curve and improve measurement accuracy;

6. The use of spectrophotometry combined with specialized reagents greatly reduces operation time and workload;

7. Built in large capacity storage space, capable of storing 100 curves and 30000 experimental results;

8. The instrument comes with a built-in data interface, which can upload experimental data or connect to a printer to print data;

9. The instrument has printing function and can print experimental data in real time;

10. The principle of instrument parameter detection is based on relevant information and meets the requirements of biao zhun;

3、 Technical parameters

1 COD：

(1) Measurement range: 0-5000mg/L (segmented measurement)

(2) Measurement error: ≤ ±5 %

(3) Optical stability: The instrument's absorbance value drifts less than 0.002A within 20 minutes

(4) Anti chlorine interference: Cl-≤1000mg/L

(5) Dissolving temperature: 165 ℃

(6) Dissolving time: 10-15 minutes

(7) Temperature control accuracy: ± 1 ℃

(8) Data input: membrane switch keyboard

(9) Data output: LCD display

(10) Colorimetric method: Colorimetric tube

2. Ammonia nitrogen:

(1) Measurement range: 0.01~49.99mg/L (beyond dilution measurement)

(2) Measurement accuracy: 0.01mg/L to 8mg/L, absolute error ≤ 0.2mg/L

8mg/L to 49.99mg/L, relative error ≤± 3%

(3) Optical stability: The instrument's absorbance value drifts less than 0.002A within 20 minutes

(4) Data input: membrane switch keyboard

(5) Data output: LCD display

3. Total phosphorus (TP):

(1) Measurement range: 0.02-19.99mg/L (beyond dilution measurement)

(2) Instrument accuracy: 0.02mg/L to 4mg/L, absolute error ≤ 0.2mg/L

4mg/L to 19.99mg/L, relative error ≤ ± 5%

(3) Optical stability: The instrument's absorbance value drifts less than 0.002A within 20 minutes

(4) Data input: membrane switch keyboard

(5) Data output: LCD display

(6) Dissolving time: 30 minutes

(7) Dissolving temperature: 120 ℃

4. Total nitrogen (TN)

(1) Measurement range: 0.05-100mg/L (beyond dilution measurement)

(2) Accuracy: 0.05-30mg/L, absolute error ≤ 2mg/

30-100mg/L, relative error ≤± 5%

(3) Optical stability: The instrument's absorbance value drifts less than 0.002A within 20 minutes

(4) Data input: membrane switch keyboard

(5) Data output: LCD display

(6) Dissolving time: 30 minutes

(7) Dissolving temperature: 125 ℃

5. External dimensions and weight

Host 315 * 220 * 135mm 2.9Kg

Dissolver 240 * 330 * 150mm 6.5Kg

4、 Configuration

1. 1 measuring instrument host

2. 1 set of rapid digestion analyzer (9-well, 12 well, 25 well optional)

3. 1 power cord

4. 1 test tube rack

5. 1 set of COD reagent

6. 1 set of ammonia nitrogen reagent

7. 1 set of TP reagent

8. 1 set of TN reagent

10. 12 specialized digestion tubes

11. 1 copy of instruction manual

12. 1 warranty card

13. 1 certificate of conformity