TESTO 6448 Instruction Manual page 34

5 Operation
Representation
in display
DIn
EF
HI
LO
diA
34
Description
Digital input
+EDG = rising edge
-EDG = falling edge
HIGH = High level
LOW = Low level
When the set signal is detected at the output, the totaliser
is zeroed (and the current value is saved - flashing value)
Only active if OU2 = In.D
Extended functions
This menu point contains a submenu (EF2) with further
parameters. To access these parameters, briefly press
the [Set] button.
Min/max flow memory
HI: Display of the highest flow value measured
LO: Display of the lowest flow value measured
Clearing the memory:
Press [Mode/Enter]
Press [Set] and hold it until
Now press [Mode/Enter]
It is a good idea to clear the memory as soon as the
instrument is used for the first time under normal working
conditions.
Display of the inner pipeline diameter
Setting is only possible in the
locked in the event of parameterised (non-manipulable)
sensors.
until HI or LO appears.
- - - - appears.
briefly.
EF2 submenu. This may be