Luo Weibang water quality tester instructions have clearly understood the user's use, and also configured the corresponding pictures for reference. However, some new users are still a bit embarrassed to use, and dare not use them easily. Below we take the detection of residual chlorine as an example, to introduce in more detail. 4014 Led Chip,4014 White Color Led Chip,White Color Led Chip,4014 Smd Led Chip Shenzhen Huangtai Photoelectric Co.,Ltd. , https://www.huangtailightstrip.com
The Rovibond Water Quality Tester imported from Germany is a multi-parameter water quality tester designed for swimming pool water quality testing. At present, we have received the support and trust of our customers. Many users are using it, I believe everyone is no stranger.
Luo Weibang water quality tester instructions have clearly understood the user's use, and also configured the corresponding pictures for reference. However, some new users are still a bit embarrassed to use, and dare not use them easily.
In fact, don't worry, don't worry. The use of Luo Weibang water quality tester is actually very simple. Let us take the detection of residual chlorine as an example to introduce it in more detail. 
ã€Steps】:
Install the battery (2 x AAA, 1.5 V, LR03). When there is only one space left in the low battery indicator, you need to replace the battery in time. When changing the battery, open the back cover from both sides at the same time. Do not open it from one side to avoid breaking the cover. After installing the battery, also install the back cover from both sides.
When opening or closing the battery case, check that the O-ring is placed.
1. Press the ON/OFF button to turn it on, and the screen will display “0â€. A single zero calibration is available for all items.
2. Shake the instrument directly from the water after shaking it several times in the water to ensure that the instrument sample cell is completely filled with water. 
3. Close the blue measuring cover.
4. Press the ZERO/TEST button to flash “000†for about 8 seconds, then display “0.0.0â€.
5. Press MODE to select the measurement item, Cl (Residual Chlorine / Total Chlorine) → pH → TA (Total Alkalinity) → CyA (Cyanic Acid) → Cl ... (Circular Scroll Display). (Note: Luo Weibang can detect five Kind of water quality parameters, which one to choose which one to choose, here to measure residual chlorine, so scroll to cl)
6. Open the blue measuring cap and place the residual chlorine reagent (DPD No. 1) in the sample.
7. Crush the reagent with a clean stir bar and stir until the reagent is completely dissolved.
8. Cover the measuring cap and gently shake for about 15 seconds.
9, wait and wait. Waiting time: 15 seconds (residual chlorine, pH, cyanuric acid) or 2 minutes (total chlorine, total alkalinity)
10, press the Zero / Test button, flashing "---" After about 6 seconds, the instrument displays the measurement results.
LOW : The result is lower than the lower limit of measurement
HIGH : Result out of range
Repeat the test Press Zero/Test to select the measurement item Press Mode to scroll to select the Rovibond water quality detector zero recalibration Press and hold the Zero/Test button for 2 seconds.
Http://news.chinawj.com.cn 
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn