Luftgehaltsprüfer 8 Liter
Air entrainment meter 8 liter
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Adjustment of the „red adjustment mark“ if the display is not correct!
13.
Remove the calibrating pipe (position 12). Go on, as described under
points 4, 6, 7 and 8.
14.
Press the rocker valve (position 2) approx. 20 sec. till the manometer
pointer has reached his final position by tapping on the manometer glass.
The pointer must stand now on the mark “0”.
15.
Should the pointer doesn’t reach the mark “0” adjust the “red adjustment
mark” to the left or to the right according to the distance between pointer
and mark “0”. Remove the front ring of the manometer by turning to the
left. If necessary you have to remove the manometer protection.
16.
Open slowly the stop valve (position 5) and then open stop valve (position 6).
17.
Go on as described under points 4, 6, 7 and 8.
18.
Now check the mark “0” again. Put the front ring back on the
manometer by turning to the right.
19.
Repeat the calibration process.