2146455.08 GB/D/F/E 08/2009
4
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio IL-10
2146455.08 GB/D/F/E 08/2009
5
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio IL-10
3. Signs, symbols and abbreviations / 4. Function
GB
. Signs, symbols and abbreviations
4. Function
2-wire Two connection lines are intended for the voltage supply.
The supply current is the measurement signal.
The hydrostatic pressure prevailing within the application is transformed into a standardised
electrical signal through the deflection of the diaphragm, which acts on the sensor element
with the power supply fed to the level probe. This electric signal changes in proportion to the
hydrostatic pressure and can be evaluated correspondingly
Potential danger of life or of
severe injuries.
Notice, important informa-
tion, malfunction.
The product complies with the
applicable European directives.
FM
Factory Mutual
The product was tested and
certified by FM Approvals. It
complies with the applicable US-
American standards on safety
(including explosion protection).
Instructions for hazardous
areas: Potential danger of
life or of severe injuries.
1. Important details for your information / 2. A quick overview for you / 3. Signs, symbols
GB
Knowledge required
Install and start the level probe only if you are familiar with the relevant regulations and direc-
tives of your country and if you have the qualification required. You have to be acquainted
with the rules and regulations on hazardous areas, measurement and control technology
and electric circuits, since this level probe is „electrical equipment“ as defined by EN 50178.
Depending on the operating conditions of your application you have to have the correspon-
ding knowledge, e.g. of aggressive media.
. A quick overview for you
If you want to get a quick overview, read
Chapters , 5, 7 and 10
. There you will get some
short safety instructions and important information on your product and its starting.
Read
these chapters in any case.
Certificate FM/CSA:
Level probe for operation in hazardous areas in compliance with the respective certificate (see
Control drawing No. 2323880).
FM / CSA Approval ratings:
Intrinsically Safe with entity approval for Class I, II and III Division 1, Groups A, B, C, D, E, F, G
and Class I, Zone 0, AEx ia IIC
Dust-ignitionproof for Class II and III, Division 1, Groups E, F, and G.
Non-incendive for Class I Division 2 Groups A, B, C and D
Potential danger of life or
of severe injuries due to
catapulting parts.
Potential danger of burns
due to hot surfaces.
ATEX
European guideline for explosion
protection (Atmosphäre=AT,
Explosion=EX)
The product complies with the
requirements of the European
directive 94/9/EC (ATEX) on
explosion protection.
CSA
Canadian Standard Association
The product was tested and
certified by CSA International.
It complies with the applicable
Canadian and US-American
standards on safety (including
explosion protection).
!
Warning
Warning
Warning
Caution
