Chlorine dioxide detector use method

ML840S full Chinese intelligent portable chlorine dioxide detector

First, the product overview

Milian (ML) full Chinese series tester is suitable for the concentration detection of large, medium and small water plants and industrial and mining enterprises, domestic or industrial water, in order to control the water ions to meet the specified water quality standards.

Second, the principle

This instrument replaces the traditional visual colorimetry with the principle of microcomputer photoelectron colorimetric detection. The human error is eliminated, so the measurement resolution is greatly improved. During the measurement, when the water sample is poured into the reagent, the water sample will change color, and then the water sample is placed in the photoelectric sample cell color holder (hereinafter referred to as the sample holder), and the meter will obtain the ion concentration by comparing the color depth. size.

Third, technical parameters

Fourth, the characteristics

1. Microcomputer, LCD backlight LCD display, light touch keyboard, easy to use.

2. Microcomputer data processing, the instrument has built-in 5-point calibration, and the user can calibrate up to 10 points.

3 . One-click restore factory settings, maintenance-free.

4. USB interface, can store 300 latest measurement data, connect PC can store / print test results.

5. The concentration is directly read, the history is queried, and the clock is displayed in real time .

6. Unique positioning structure and high-precision optical path system ensure the correctness and repeatability of measured values.

7. Its reliable linear compensation system makes the measurement data more accurate and stable.

8. Using high-quality imported integrated circuits and photoelectric detection components, it has high stability of the whole machine.

9. The instrument performance is stable, the resolution is high, and the resolution of the instrument reaches 0.001mg/L.

10. Desktop portable dual-use.

Five, chlorine dioxide detector use method

1 Turn on the power switch, the cursor is in the measurement item, press OK , and then press to confirm to enter the state to be measured.

Use a glass cuvette to take zero degree water (pure water) to the mark line, place it in the sample holder, cover the sample slot cover, press the confirmation button at the “clear” position, wait for the screen display, when the screen displays 0.000 mg When /L , the clearing is over.

2 Pour the tested water sample into the glass cuvette to the mark line, add 4 drops of chlorine dioxide reagent (1), shake well, then add a small packet of chlorine dioxide reagent (2) , shake well, and immediately put the cuvette Put in the sample holder, cover the black sample cover, press the confirmation button at the “Reading” and wait for a few seconds to display the reading (chlorine dioxide value).

Six: setting

Boot into the setting item to set the clock setting, historical measurement record query, instrument calibration and restore factory function.

Seven: calibration

Enter the setting item, move the cursor to the calibration, press Enter to enter the calibration state, and the instrument displays (P0).

1. Put zero degree water (pure water) into the cuvette, put it into the sample holder, let it stand for 10 seconds, and press the enter key to indicate that the zero point is better.

2. Press the “Down” button, the instrument will display (P1), go to the next point calibration, and set the concentration of the required calibration standard, such as: 1mg/L, input 1 on the standard value, press the confirm button to indicate the match. The 1mg/L calibration is completed, and then press the "down" button to enter the next point calibration. By analogy, up to 10 points of full scale can be calibrated in any interval.

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