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2. Safety
2.3.8 Accuracy of the safe switching function
The following information on the total safety accuracy contains:
Basic accuracy (measuring deviation, linearisation error)
■
Influence of the ambient temperature in the range -10 °C ... +70 °C
EN
■
Influence of up to 259,835 load cycles
■
The total safety accuracy is -12 % ... +8 % of the measuring span for the differen-
tial pressure.
2.3.9 Operating limits
Operating pressure:
Differential pressure: See dial
Ambient temperature: -10 ... +70 °C (operation)
Ambient temperature: -40 ... +70 °C (storage)
Medium temperature: -10 ... +90 °C
2.3.10 Configuration changes
The setting of the switch points is made at the factory in accordance with the
ordering information. Check switch points after a change by the operator. Update
the marking for example using a suitable sticker. Secure the instrument against
change of the switch points through the provided lead sealing of the setting ele-
ments.
12
See dial
(The temperature at the instrument must not exceed 70 °C)
WARNING!
After each configuration procedure, check the safety function by
testing it.
WIKA operating instructions DPGS40TA with component testing
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