Instrument Description

This product combines colorimetric method with computer technology, using microcomputer optoelectronic colorimetric detection principle to replace traditional visual colorimetric method, eliminating human error and 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 professional 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 applied to 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 data will never be lost in case of power failure;

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 (can be freely combined according to customer needs)

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.

2.Ammonia nitrogen parameter index

① Measurement method: Nessler's colorimetric method;

② Measurement range: 0.01mg/L to 50mg/L (segmented measurement when>5 mg/L, dilution measurement for excess range);

③ Measurement error: ≤± 5%；

④ Choose a colorimetric dish:10mmOptical path length.

3.Total phosphorus parameter index

① Measurement method: Ammonium molybdate spectrophotometric method;

② Measurement range: 0.01mg/L to 24mg/L (segmented measurement when>0.75 mg/L, dilution measurement for excess range);

③ Measurement error: ≤± 5%;

④ Dissolving temperature: 120 ± 1 ℃; Dissolving time: 30 minutes;

⑤ Select colorimetric dish: 30mmOptical path length.

4.Total nitrogen parameter index

① Determination method: dissolution colorimetric method;

② Measurement range: 0-100 mg/L (segmented measurement, dilution measurement for excess range);

③ Measurement error: ≤± 5%

④ Dissolving temperature: 125 ± 1 ℃; Dissolving time: 30 minutes;

⑤ Choose a colorimetric dish:10mmOptical path length.

5.Nitrate nitrogen parameter index

① Measurement method: colorimetric method;

② Measurement range: 0-100 mg/L (segmented measurement, dilution measurement for excess range);

③ Measurement error: ≤± 5%;

④ Choose a colorimetric dish:10mmOptical path length.

6.Nitrite nitrogen parameter index

① Measurement method: colorimetric method;

② Measurement range: 0-6 mg/L (segmented measurement, dilution measurement for excess range);

③ Measurement error: ≤± 5%

④ Choose a colorimetric dish:10mmOptical path length.

7.Chromaticity parameter index

① Measurement method: colorimetric method;

② Measurement range: 0-500 Hazen (diluted measurement when>500 Hazen);

The common units of chromaticity include degrees, Hazen, Pt Co, PCU, milligrams of platinum per liter, and their conversions correspond to each other.

③ Measurement error: ≤± 5%;

④ Repeatability: ≤ 3%;

⑤ Select colorimetric dish: 30mmOptical path length.

8.Turbidity parameter index

① Measurement method: spectrophotometric method;

② Measurement range: 0-400 NTU (segmented measurement when>100 NTU, dilution measurement for excess range);

③ Measurement error: ≤± 5%；

④ Select colorimetric dish: 30mmOptical path length.

9.Suspended solids parameter indicators

① Measurement method: colorimetric method;

② Measurement range: 0-500mg/L (diluted measurement when>500 mg/L);

③ Measurement error: ≤± 5%;

④ Repeatability: ≤ 3%;

⑤ Select colorimetric dish: 30mmOptical path length.

This product can be customized with single, 2-in-1, and multi in one measuring instruments for any measurement index according to user needs.