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Instruments with atex approval – WIKA PGT43.100 User Manual

Page 16

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GB

Conformity specifications
For instruments with ATEX approval the following conformity specifications,
which differ slightly from the specifications indicated in the data sheet, are
applicable:

Power supply:

14 … 0 DC V

Short circuit rating: I

max

≤ 100 mA

Power:

U

max

≤ 1000 mW

Internal capacitance: C

i

≤ 1 nF

Internal inductance: negligible

Safety instructions for installation

Observe the installation and safety instructions included in
the operating instructions

≤Install the instruments in accordance with the instructions of
the manufacturer and the applicable standards and regula-
tions

≤Seal the cable entries using approved cable glands so that
they are leak-tight

≤Only use cable glands which possess an ATEX Ex e appro-
val and have an ingress protection of at least IP 65.
Fix the connection cable securely

≤If intrinsically safe equipment is installed in hazardous areas,
it must only be operated as part of a certified intrinsically
safe circuit.

Transmitter supply isolators
When using ATEX instruments, an Ex transmitter supply isolator is an absolute
requirement.
We recommend Model KFD-STC4-Ex1 with a power supply of 0 ... 5 DC V,
installation on standard rail, our order number 4168

11

97

64 05/

009 GB/D/F/E

WIKA Operating Instructions intelliGAUGE family

16

8. Instruments with ATEX approval

This manual is related to the following products: