1、 Product Overview

The upgraded multi parameter water quality analyzer integrates spectrophotometry and electrode method, which can achieve the determination of traditional water quality indicators such as COD, ammonia nitrogen, total phosphorus, total nitrogen, heavy metals, etc., as well as temperature pH、 The determination of five parameters including dissolved oxygen, conductivity, and turbidity is carried out using a convenient and efficient method, with a simple and rapid measurement process and accurate results.

The instrument adopts a metal shell design that is sturdy, durable, beautiful and fashionable. It has the characteristics of acid and alkali resistance and corrosion resistance, and can be widely used in scientific research institutions, water quality monitoring and testing, municipal water conservancy, petrochemical, biopharmaceutical and other industries.

2、 Performance characteristics

1. Large screen LCD backlit display, pure Chinese operation interface, user-friendly program design.

2. The measurement range is wide and can be automatically switched according to the actual situation of the water sample. Measurement indicators can be customized according to user needs.

3. Large capacity data storage, capable of setting up 100 measurement curves, can meet users' free application in different environments and water sample conditions. The power-off protection design ensures that the instrument is not damaged and data records are never lost.

4. Calibration mode from 1 o'clock to 7 o'clock, automatically calculating slope, intercept, and correlation coefficient, with high measurement accuracy.

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

6. Equipped with a built-in printer, it can instantly print current measurement data, query and print historical data, and also connect to a computer to export measurement data.

7. Adopting a unique semiconductor cold light source emitter with narrowband interference, the lifespan of the light source can reach tens of thousands of hours.

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

9. Can measure the temperature of water samples pH、 Dissolved oxygen, conductivity, turbidity, supporting automatic temperature compensation.

10. The electrode has a long service life and short response time.

3、 Technical indicators

*Curve parameters: 100 measurement curve parameters can be set;

*Calibration: 1-7 point calibration mode, automatically correcting curve values;

*Clock: Built in real-time clock, with a monthly cumulative error of less than 10 seconds;

*Record storage: can store 10000 measurement results, data will never be lost in case of power failure;

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

*Communication method: RS232， The measurement results can be uploaded to a computer for easy statistical analysis by users;

*Display: 240 * 128 large blue backlit display, Chinese operation interface;

*Environmental temperature: (5~40) ℃; Environmental humidity: relative humidity<85% (no condensation);

*Dimensions: 320 * 240 * 110mm;

*Working power supply: AC220V ± 10%/

*Weight: 3KG;

PH、 Temperature index

Measurement range: pH：0～14.00pH

Temperature:- 60～160℃

resolving power: pH：0.01pH，

Temperature: ± 1 ℃

Accuracy: pH：0.01pH， Temperature: ± 1 ℃

Temperature compensation: 0-60 ℃ manual/automatic compensation

Dissolved oxygen index

Measurement range: (0.00～20.00)mg/L

Basic error: ± 0.30 mg/L

Stability: (± 0.07mg/L)/1h

Response time: ≤ 45s (90% response at 20 ℃)

Zero value error: ≤ 0.10mg/L

Conductivity index

Measurement range: (0～199.9)μs/cm ； (0～20000)μs/cm ； (2.00～19.99)ms/cm ； (20.0～199.9)ms/cm

Resolution: 0.1/1 μ s/cm; 0.01/0.1ms/cm ；

Accuracy: Electrometer: ± 1.0% FS; Supporting facilities: ± 1.5% FS

Temperature compensation range: 0-50 ℃ (manual)

Temperature coefficient: 2.0%/℃

Turbidity index

Measurement method: spectrophotometric method;

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

Measurement error: ≤± 5%;