testo 171 Anwendungshinweise Seite 21

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Functions for the menu items "Current measured
value" and "Continuous display"
Limit value exceeded in the past
%
If a limit value was exceeded in a channel of the
socket displayed the symbol for the upper limit value
°C
flashes. If exceeded the symbol for the lower limit and
also the unit of the respective measurement channel
flash.
Example:
Logger 171-6
- The upper limit of the humidity measurement channel was exceeded at socket 1.
- Current measured value exceeds the upper limit value
Exceeding the limit value and the current measured
value
%
°C
If the current measured value also exceeds the limit
value this also flashes.
Example:
Logger 171-6
- Upper limit value of the humidity measurement channel at socket 1 was excee-
ded
- Current measured value exceeds the upper limit value
Limit value is exceeded during the display
%
If a limit value is eceeded during the display, the
°C
measured value flashes for as long as the limit value
is exceeded. Once the measured value is within the
limit, there is no longer any reference to the
%
infringement of the limit value. When switched off and
°C
25. 8
on again, this information is taken over from the
logger memory and is displayed as above.
Exceeding the limit value in a socket which is not dis-
played.
If a limit value is exceeded in a socket which is not
%
displayed the socket number flashes.
°C
Example:
Logger 171-6
- Socket 1: Limit values are not exceeded
- Socket 2: Limit values are exceeded
Switch to required socket
You can switch between the different socket connec-
tions and their channels via the selection key.
%
Example:
Logger 171-6
°C
- Socket 2: Limit value exceeded
- Socket 2: Lower limit value of the temperature value was exceeded
- Current measured value also exceeds the limit value
Measuring
Display: Exceeding
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