Instrument Description

This product combines colorimetric method with computer technology, replacing traditional visual colorimetric method with microcomputer optoelectronic colorimetric detection principle, eliminating human error, and greatly improving measurement resolution. This product has the characteristics of automatic PID temperature control, dual LCD display, AC/DC dual-use, automatic zero adjustment, concentration direct reading, curve storage, automatic printing, etc. The instrument is easy to operate, human-machine interactive operation, and users can apply this product without complex knowledge.

Main functional features

1. twoLCDDisplay, large screen LCD backlit display,240*128Dot matrix, Chinese operating interface, user-friendly programming.

2. The measurement range is wide and can be switched according to the actual situation of the water sample.

3. The determination and digestion systems are designed separately, with independent power control, and the operation process can be carried out separately without affecting each other;

4. Automatic temperature control system, PIDRegulating technology ensures constant temperature and high precision during the digestion process;

5. 1Click to7Point correction mode, automatically calculates slope, intercept, and correlation coefficient, with high measurement accuracy.

6. Intelligent design for fault self diagnosis makes instrument management and maintenance simple and convenient.

7. The instrument has a built-in real-time clock, and each measurement record has a measurement timestamp for easy statistics and queries;

8. Large capacity data storage with power-off protection design ensures that the instrument is not damaged and data records are not lost.

9. Strong anti-interference ability, suitable for industrial sites, and can be used for monitoring surface water and pollution sources.

10. The instrument adopts a semiconductor cold light source emitter, optical circuit design, strong anti-interference ability, high measurement data accuracy, good stability, and the light source life can reach tens of thousands of hours.

11. Equipped with a data output interface, it can be connected to a computer to transmit measurement data to the computer;

12. The instrument comes with a thermal printer that can directly print measurement data and historical data;

13. Low reagent usage, low operating costs, and strong anti-interference ability.

performance parameter

Ø Simultaneous digestion of sample quantity: ≤ 12Support;

Ø Dissolving temperature control range: ≤200℃, time control range: ≤999Minutes, automatically timed;

Ø Curve parameters: adjustable100Measurement curve parameters;

Ø school accurate1-7Point correction mode, automatically correcting curve values;

Ø time Clock: Built in real-time clock, with a monthly cumulative error of less than10Seconds;

Ø Record storage: storable10000The test results show that the data will not be lost when the power is cut off;

Ø strike Printing: Comes with a built-in printer to print measurement results at any time;

Ø Communication method:RS232The measurement results can be uploaded to a computer for easy statistical analysis by users;

Ø apparent Show:240*128Large blue backlit display with Chinese operating interface;

Ø Environmental temperature:（5 ~ 40）℃； Environmental humidity: Relative humidity<85%(No condensation);

Ø External dimensions:320*240*110mm；

Ø Weight:7kg；

Ø Working power supply:AC220V±10% / 50Hz；

Indicator parameters

1.CODParameter indicators

① Measurement method: Rapid catalytic method (chromium method);

② COD high and low range dual wavelength measurement: 5-150mg/L low wavelength; 100~10000mg/L, High wavelength;

③ Measurement range: 5~10000 mg/L (segmented measurement when>1000 mg/L, dilution measurement for excess range);

④ Measurement error: 5-100 mg/L, juedui error ≤ ± 5 mg/L; 100 mg/L~5000 mg/L， Relative error ≤ ± 5%;

⑤ Dissolving temperature: 165 ± 1 ℃; Dissolving time: 15 minutes;

⑥ Anti chlorine interference: [CL^-] ＜4000mg/ L；

⑦ Select colorimetric dish: 30mmOptical path length.