LABEC V-11D - Manual (Page 12)

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Fig. 4-6
5) Press to print the test result；
6) Repeat step 4 and step 5 to test other samples.
3. Two-point Method
If you have known a Standard Sample’s concentration, and you want to know another
sample’s concentration, you can use this method.
1) Choose “A” or “T” Mode and turn the wavelength knob to set the wavelength.
2) Pull the Reference into the light path, press to get 100%T；
3) Pull the Standard sample into the light path and press to choose “C”mode.
4) Press or to input the Standard Sample’s Concentration,
press to confirm. (Fig. 4-7）
Fig. 4-7
5) Pull the unknown concentration sample in the light path, then its concentration displays
on the screen. (Fig.4-8)；