VOLTCRAFT 101719, Руководство по эксплуатации

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10. meaSure PreSSure
The main display (3) on the display shows the manometer pressure or the differential pressure up to 5,000 Pa. You can choose
between the five measuring units psi, mbar, Pa, inH
2
O and mmH
2
O for the display.
Push “P/V/F” once to switch to the pressure mode (PRESS). Push the button “Unit ” several times if required to select the desired
measuring unit.
Connect a hose to the “+” input of the pitot tube anemometer and leave the “-” input open.
The device registers the ambience conditions via the hose opening. Push and hold the button “Hold/Zero” for 2 seconds to perform
a zero reconciliation.
Place the open end of the hose in another environment than the anemometer.
The anemometer now shows the pressure difference between the “+” input (ambience conditions at the hose end) and the “-” input
(reference ambience conditions at the anemometer).
"+"-Input