65
10 Supplement
WIKA Operating Instructions - Process pressure transmitter CPT-2x
Electrical protective measures
13)
Housing material
Version
Protection acc. to
IEC 60529
Protection acc. to
NEMA
Plastic
Single chamber
IP66/IP67
Type 4X
Double chamber
Aluminium
Single chamber
IP66/IP67
IP66/IP68 (0.2 bar)
IP68 (1 bar)
Type 4X
Type 6P
-
Double chamber
IP66/IP67
IP66/IP68 (0.2 bar)
Type 4X
Type 6P
Stainless steel (electro-polished) Single chamber
IP66/IP67
IP69K
Type 4X
Stainless steel (precision cast-
ing)
Single chamber
IP66/IP67
IP66/IP68 (0.2 bar)
IP68 (1 bar)
Type 4X
Type 6P
-
Double chamber
IP66/IP67
IP66/IP68 (0.2 bar)
Type 4X
Type 6P
Stainless steel
Transmitter, version with exter-
nal housing
IP68 (25 bar)
-
Connection of the feeding power supply
unit
Networks of overvoltage category III
Altitude above sea level
Ʋ
by default
up to 2000 m (6562 ft)
Ʋ
with connected overvoltage protection up to 5000 m (16404 ft)
Pollution degree
14)
2
Protection rating (IEC/EN 61010-1)
II
10.2 Device communication Foundation Fieldbus
In the following, the necessary device-specific details are shown. You can find further information of
Foundation Fieldbus on
www.fieldbus.com
.
Overview
The following table gives you an overview of the instrument versions and the corresponding device
descriptions, the electrical characteristics of the bus system as well as the applied function blocks.
13)
Protection rating IP66/IP68 (0.2 bar) only in conjunction with absolute pressure.
14)
When used with fulfilled housing protection.