WIKA IPT-11 - Manual (Page 49)

Electrical protective measures
Protection
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Housing, standard IP 66/IP 67 21)
Overvoltage category III
Protection class II
Functional safety (SIL)
The functional safety is already activated Ex factory for instruments with SIL qualification. For
instruments Ex factory without SIL qualification, the functional safety must be activated by the user
for applications according to SIL via the indicating and adjustment module.
Functional safety according to IEC 61508-4
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Single channel architecture (1oo1D) up to SIL2
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double channel diversitary redundant
architecture (1oo2D) up to SIL3
You will find detailed information in the Safety Manual of the instrument series.
Approvals
Depending on the version, instruments with approvals can have different technical data. For these
instruments, please note the corresponding approval documents. They are included in the scope
of delivery.
21) Instruments with gauge pressure measuring ranges cannot detect the am-
bient pressure when submerged, e.g. in water. This can lead to falsification
of the measured value.
Process pressure transmitter IPT-1* Vers. 3.0 - metalic sensor • 4 … 20 mA/HART 49
10 Supplement
31543
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EN
-090130