KROHNE VFM 1091 - Manual (Page 10)

5.2 Operating & check elements
The operating elements are accessible after removing the cover of
the electronics section using the special wrench supplied.
Caution
Do not damage screw thread, never allow dirt to accumulate,
and make sure it is well greased at all times.
Display, 1st line
Display, 2nd line
Display, 3rd line
q v
Volumetric flow rate
q n Normalised volumetric flow rate
q m Massflow rate
S Totalizer value
u Velocity of medium
F Vortex frequency
Keys for Programming the Signal Converter, refer
To Sect.5.4 for function of keys.
4
1
2
3
Caution
To avoid damage to electronics, be certain that the area around the
meter is dry before removing electronics compartment cover.
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