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The MPXI-F should be installed in an area--indoors or outdoors--which meets the following conditions:
•
Ambient temperature between -40°C and 85°C (-40°F to +185°F)
•
Relative humidity up to 100%
•
Altitude up to 2000 meters (6560 feet)
•
IEC-664-1 Conductive Pollution Degree 1 or 2
•
IEC 61010-1 Measurement Category II
•
No chemicals corrosive to stainless steel (such as NH
3
, SO
2
, Cl
2
). (Not applicable to plastic-type stem
options)
•
Ample space for maintenance and inspection
Additional care must be taken to ensure:
•
The probe is located away from strong magnetic fields, such as those produced by motors, transform
-
ers, solenoid valves, etc.
•
The medium is free from metallic substances and other foreign matter.
•
The probe is not exposed to excessive vibration.
•
The float(s) fit through the mounting hole. If the float(s) does/do not fit, it/they must be mounted on
the stem from inside the vessel being monitored.
•
The float(s) is/are oriented properly on the stem (See Figure 2.2). MPXI-F floats are installed by custom
-
er.
• Physical Installation Notes
CARE SHOULD BE TAKEN TO ENSURE THAT THE ENCLOSURE OF THE MPXI IS INSTALLED IN ZONE 1. ONLY THE
PORTION OF THE UNIT AS SPECIFIED IN DOCUMENT 9006113 SHALL BE INSTALLED IN ZONE 0. ENSURE SEPA-
RATION BETWEEN ZONES DURING INSTALLATION TO AVOID INTRODUCTION TO EXPLOSIVE ATMOSPHERES.
