User manual

Beginning to Use the Device
1. Install the power source (page 31,36)
2. Turn the device on (page 37)
3. Before you begin measurements, we recommend that you tune up the
device (page 35)
4. Select the ‘Measure’ menu item.
Measuring nitrate concentration of fruit and vegetables.
1. The measured foodstuff should be clean without any mud on
the surface. You should clean the measured foodstuff without any cleaning
agent, with clear water only, it should not be rotten or damaged. Foodstuff
should be fresh. You can use cut pieces of the foodstuff that were made not
later than 15 min.
2. Choose the foodstuff from the menu list. Norms of maximum
nitrate concentration limit are mentioned in table оn page 40.
3. After foodstuff selection you will see the following text in the menu:
«Make sure that probe is not stuck in testing product and press ОК»
4. Clean the probe with alcohol and then with paper napkin. The
probe should be dry.
5. Press [OK] button. You will see that preparation process has
begun(self calibration). The following text message will appear “Wait please.
Preparation to analysis in process”. Do not touch the probe until you`ll see
new text instructions.
6. Please wait until you`ll see the following text message “Stick
probe into product. Press OK” Besides harmless recommended norm of
nitrates for selected foodstuff will be shown.
7. Stick the probe info the tested foodstuff hold the device
perpendicularly to it in direction to the center of it. Do not move or the press
probe.
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