LABEC V-18 - Manual (Page 10)

16/18 Manual
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Fig 4
Use numeric keypad to input wavelength (e.g. 500nm).
Press 【ENTER】 to change the wavelength, and then blank; After blanking,
the screen displays as the left one of Fig 5.
Note:1. If you don’t want to change the wavelength, you can press 【RETURN】 】 】 】. .. .
2. the wavelength range is 190-1100, other figure is invalid.
START
RETURN
Fig. 5
Measurement (Example: set wavelength in “Basic mode”)
Push the blank cuvette into the light path. Then press 【ZERO】 】 】 】. .. .
Press 【
START/STOP
】 in the left one of Fig. 5 to go into testing
interface.(The right one of Fig 5)
Press 【
START/STOP
】 again in the right one of Fig. 5, the testing
result displays on the screen, repeat this step, the results will
display on the screen one by one.
Print test report (For example: Print the report in “Basic mode”, the right one of Fig. 5)
Press 【PRINT】 in the right one of Fig.5 to print the report (Fig. 6)
Fig 6
Note: After printing, all the data displayed on the screen will disappear.
Before measurement
Make a blank reference solution by filling a clean cuvette (or test tube) half full with
distilled or de-ionized water or other specified solvent. Wipe the cuvette with tissue
to remove the fingerprints and droplets of liquid. Fit the blank cuvette into the 4-cell
linear changer and place the cuvette in the slot nearest you. For the UV16\18,
push the changer so that the cuvette is in the light path (Push the rod in). Close the
lid.
Basic Mode： ： ： ：
0.000 Abs
500.0 nm
500.0nm 0.000Abs
No. WL Abs
1 500.0 0 .000
Basic Mode
NO. Abs. T%
1 0.000 100.0%
2 0.000 100.0%