How to use the spectrophotometer

The use of the meta-analysis spectrophotometer:
1. Turn on the power, turn on the instrument switch, open the sample chamber black box cover, and warm up for 10 minutes.
2. Set the sensitivity switch to “1” (if the zero adjuster is not adjusted to “0”, you need to select the higher gear.)
3. Rotate the wavelength selector button to the desired wavelength.
4. Pour the blank solution and the measuring solution into the cuvette 3/4, wipe the outer wall with the lens paper, and place it in the sample chamber to align the blank tube with the light path.
5. Adjust the zero adjuster with the black cover open so that the dial pointer points to t=0.
6. Cover the black box cover and adjust the “100” adjuster so that the blank tube is t=100. After the pointer is stabilized, the sample slide is gradually pulled out, and the optical density values ​​of the measuring tubes are read out and recorded.
7. After the color is finished, turn off the power, take out the cuvette, and clean the sample chamber with a soft cloth or soft paper.

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