1、 Instrument Introduction

TC-200BThe portable chemical oxygen demand rapid measuring instrument is developed by our company200AtypeCODA specialized on-site measurement device upgraded and modified based on the measuring instrumentCODThe integrated measuring instrument. This itemCODThe measuring instrument is equipped withPIDThe automatic adjustment technology and functions such as curve self calibration and automatic zero adjustment have enhanced the accuracy and stability of the instrument; Additionally, this itemCODThe measuring instrument has the characteristics of dual-use of AC and DC, built-in high-power battery, and built-in micro thermal printer, which greatly facilitates the on-site 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、 Functional features:

1The unique all-in-one machine design mode integrates digestion and measurement, making it easier to carry and measure;

2Built in high-power lithium battery DC power supply, capable of conducting multiple batches of experiments on site;

3The digestion and determination power supply systems are independently separated and do not interfere with each other, reducing external influence on the results;

4Dual display screens,LCDBacklight display, Chinese operation interface, concise and clear;

5The measurement system adopts advanced optical systems and cold light sources, with high measurement accuracy, small drift, and good stability;

6Introduction of digestion systemPIDAdjustment technology, high temperature control performance, good stability, and energy saving;

7The system has a built-in measurement curve self calibration function, which can automatically zero;

8Built in large capacity storage space, capable of storing600Measurement results of strip time recording;

9, withRS232Data interface, which can be directly connected to a computer to upload experimental data;

10Built in micro thermal printer, capable of real-time printing of measurement data (optional);

11The integrated suitcase design makes the whole machine easy to carry without the need for an additional power supply, making it convenient to use;

3、 Technical indicators:

1Measurement range:5 ~ 1000 mg/L，1000~3000mg/L（＞1000 mg/LDilution measurement);

2Detection principle: Rapid digestion spectrophotometry

3Optical stability: less than0.003A/30min

4Measurement error:5~50 mg/LAbsolute error ≤±3 mg/L；

50~200mg/L,Absolute error ≤±6 mg/L；

200 mg/L~3000 mg/LRelative error ≤±5 %(Other ranges can be customized)

5Monochromatic wavelength:610nm

6Dissolving temperature:165 ± 1℃ (zu (i) high)190℃）；

7Constant temperature accuracy: ±0.5℃

8、TField uniformity: ≤ 2℃；

9Temperature error: ± 1℃；

10Time error: ≤30S

11Dissolving time: ≤ 15Minutes（0-720minFree adjustment);

12Dissolving quantity:4Branch water samples (if used in the laboratory, zu (i) can be highly scalable)25Support);

13Anti chlorine interference:[CL-]＜1000mg/ L；[CL-]＜4000mg/ L(optional);

14Determination method: Rapid catalytic method (potassium dichromate method);

15Storage:50A curve,500Measurement results (customizable)

16Usage environment:5~40℃ Relative humidity<85%(No condensation);

17Working power supply:AC220V±10%/50HzLithium batteries