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Technical data
October 2023
Basis of the data are measurements with:
•
PR 6424 cable at the temperature of the AMS EZ 1000 Converter.
•
First meter of the PR 6424 cable at the temperature of the PR 6424 tip.
•
No ambient temperature change of the AMS EZ 1000 Converter during 1 hour before
the measurement. Power and sensor connected to the AMS EZ 1000 Converter for at
least 10 minutes before measurement and calibration.
•
Emerson reference target material is 42CrMo4 (AISI 4140), unless otherwise stated.
Note
For measurements that require a higher measuring accuracy, factory calibrated measuring
chains are available.
Accuracy of measuring chains different from the standard measuring chain
Add the measurement inaccuracies in
accuracy of measuring chains different from the standard measuring chain. The
incremental scale factor (ISF) error is typically ±5%, this applies to 90% of the measuring
range.
Table 11-11: Additional inaccuracies – DSL
Parameter
Other cable lengths
Extended measuring range: 8.0 mm
(Extended range factor: 2.0)
Extended measuring range: 12.0 mm
(Extended range factor: 3.0)
1
Requires previous Automatic calibration, see
sensors
Table 11-12: Sensor temperature inaccuracies
Measuring range
4 mm
8 mm
(Extended range factor: 2.0)
116
Automatic calibration
1
Multipoint calibration
Automatic calibration
1
Multipoint calibration
Table 11-11
to the values in
Additional Measurement Inaccuracy
(DSL),
Test range
0.0%
7.0%
1.0%
17.0%
8.0%
Calibration – PR 6424, PR 6425, and PR 6426
Temperature range
-35°C to +85°C
(Operating range converter)
-35°C to +180°C
(Operating range sensor)
-35°C to +85°C
(Operating range converter)
Operating Manual
MHM-97884
Table 11-10
to get the
1
Additional linearity error
± 2.0%
± 8.0%
± 15.0%
MHM-97884, Rev. 1.8
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