Owner's manual

1000
750
500
250
12 18
1614 20 22 24 26 28 30 32 34 36
W
V
3
1
2
Fig. 12: Voltage diagram
1 Voltage limit EEx-ia instrument
2 Voltage limit non-Ex/Exd instrument
3 Operating voltage
Electrical protective measures
Protection rating
- Housing, standard IP 66/IP 67
13)
Overvoltage category III
Protection class II
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.
13)
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.
44 Process pressure transmitter IPT-11 Vers. 4.0 - ceramic sensor • 4 … 20 mA
10 Supplement
37301-EN-100302