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E126-P-EL
User Manual
FW_E126-P-EL_M_v0301-01_EN
Page 33
6
INSTALLATION
● Mounting, electrical installation, start-up and maintenance of this instrument may only be
carried out by trained personnel authorized by the operator of the facility. Personnel must read
and understand this Operating Manual before carrying out its instructions.
● The E126-P-EL may only be operated by personnel who are authorized and trained by the
operator of the facility. All instructions in this manual are to be observed.
● Ensure that the measuring system is correctly wired up according to the wiring diagrams.
Protection against accidental contact is no longer assured when the housing cover is removed
or the panel cabinet has been opened (danger from electrical shock). The housing may only be
opened by trained personnel.
● Take careful notice of the
at the front of this manual.
6.1
INSTALLATION / ENVIRONMENTAL CONDITIONS
Take the relevant IP classification of the
enclosure into account (see identification plate).
Even an enclosure rated for IP67 / TYPE 4(X)
should NEVER be exposed to strongly varying
(weather) conditions.
When used in very cold environment or varying
climatic conditions, inside the instrument case,
take the necessary precautions against moisture.
Mount the E126-P-EL onto a solid structure to
avoid vibrations.
For use in Safe Areas, also known as Ordinary Locations, and Hazardous Locations, the following
conditions apply:
Relative humidity:
< 90% RH
IP and NEMA rating:
IP66, IP67 and NEMA Type 4X
Supply voltage fluctuation:
+/- 10% unless stated otherwise
Means of protection:
Class I
Over-voltage category:
II
Pollution degree:
2 (internal environment), 3 (external environment)
Ambient temperature:
-40 °C to +70 °C (-40 °F to + 158 °F)
Altitude:
up to 2000 meters (6600 feet)