11�11 Damping Function; 11�12 Peak Hold Function - Keller CellaTemp PX 4 Series Operating Instructions Manual

Pyrometer
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Operating instructions CellaTemp PX 4x 5x 6x
11.11 Damping function
When the target object's temperature is erratic, the damping function smoothens these
temperature fluctuations in order to stabilize the measuring signal� The greater the time
constant, the lower the effect of fluctuations on the yielded temperature reading�
Two-colour mode [qu] → [q. F iL]
One-colour mode [LI] → [' . F iL] or [L2] → [" . F iL]
Ao
[mA]
1
Output signal without smoothing function
2
Output signal with smoothing function
11.12 Peak hold function
It might often be desirable to determine the peak temperature during a defined
time period, for example when the objects to be measured move past the pyrom-
eter, resulting in temperature readings which would appear to be cyclical� In this
mode, the displayed temperature reading will not drop between targeted objects�
The peak temperature reading will be held for a preset time period�
The hold time [t iME] can be set from 0�1 to 999�9 sec� The maximum
temperatures sampled during the defined hold time will be saved� It make sense to
1
2
24
t

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