Eu Equivalency - Siemens Sitrans Probe LU Instruction Manual

Oxley Creek WWTP Water Reclamation
(Probe LU Manual) Vendor Manual

EU Equivalency

Any zener diode safety barrier, certified by an EU approved certification body to
[ EEx ia ] IIC, its output voltage (U
by load resistance (R
Notes
• The installation must comply with national requirements.
• The safe area is unspecified except that it must not be supplied from nor contain,
under normal or abnormal conditions, a source of potential with respect to earth in
excess of 250 V rms or 250 V DC.
7ML19985JB02
) not exceeding 24 V and its output current (I
o
); such that I
o o
SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL
= U / R , does not exceed 250 mA.
o o
Doc Id: VM11
Active Date: 15/12/2006
) limited
o
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