TESTO 6321, Instruction Manual

Page: 12 / 40

4 Transmitter
12
4.2.2. Scaling
There are three types of min./max. values:
1
The measuring range: The maximum sensor performance is in
this range. Measuring range, see table (below).
2 Standard scaling: The output signals are assigned to this
measuring range as standard:
◦ during delivery if no entries are made in the order code
◦ after exchanging the unit, the measuring range recorded in
the instrument is applied as standard.
The transmitter even retains its scaling with the voltage
disconnected.
Measuring range, see table (below).
3
The maximum settings for the manual scaling
◦ The maximum limits can be calculated as follows:
X = difference between MIN. and MAX. value of the
standard scaling
(Max. value of standard) + (50 % of X)
(Min. value of standard) - (50 % of X)
◦ It is thus possible to scale beyond the measuring range, e.g.
for the adjustment of the scaling limits to standard values of
a PLC.
With the alarm definition, however, the physical measuring
range limits are decisive.
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Measuring range/
standard scaling Maximum scaling
0 to 100 Pa -50 to 150
0 to 10 hPa -5 to 15
0 to 20 hPa -10 to 30
0 to 50 hPa -25 to 75
0 to 100 hPa -50 to 150
0 to 500 hPa -250 to 750
0 to 1000 hPa -500 to 1500
0 to 2000 hPa -1000 to 3000
-100 to 100 Pa -200 to 200
-10 to 10 hPa -20 to 20