Off The operation is off.
Difference Calculates the difference temperature of two selected measuring areas (Operand
1 and Operand 2).
Absolute difference The result is a positive number which results from the formation of the difference
between two selected measuring areas (Operand 1 and Operand 2).
Average In this mode an arithmetic algorithm will be performed to smoothen the signal.
The Averaging time [sec] is the time constant. This function can be combined
with all other post processing functions. If activated (Smart averaging [°C]), a
dynamic average adaptation at high signal edges is active.
Peak Hold This function keeps the respective signal maximum. When the temperature drops,
the algorithm keeps the signal level for the set Hold time [sec]. After the hold
time the signal will drop down to the second highest value or will descend by 1/8 of
the difference between the previous peak and the minimum value during the hold
time. This value will be held again for the specified time. After this the signal will drop
down with slow time constant and will follow the current object temperature. There-
fore, if periodic events will be measured (bottles on a conveyor e.g.) this peak hold
function avoids a drop down of the signal to the conveyor temperature in-between 2
events.
Valley Hold With this function the respective signal minimum is held. If the signal ascends the
algorithm maintains the previous signal valley for the specified Hold time [sec].
The definition of the algorithm is according to the peak hold algorithm (inverted).
Adv. Peak Hold This algorithm searches for local maximum values. Peak values which are lower than
their predecessors will only be taken over if the temperature has fallen below the
Threshold [°C] value beforehand. If Hysteresis [°C] is activated a peak in
addition must decrease by the value of the hysteresis before the algorithm takes it
as a new peak value.
Adv. Valley Hold This function behaves inverted to the extended maximum search. This algorithm
searches for local minimum values. Minimum values which are higher than their pre-
decessors will only be taken over if the temperature has exceeded the Threshold
[°C] value beforehand. If Hysteresis [°C] is activated a minima in addition
must increase by the value of the hysteresis before the algorithm takes it as a new
minimum value.
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