15.3.10 Pollution Degree; Electromagnetic Compatibility; (Emc); Process - Endress+Hauser Liquiphant FTL51B Operating Instructions Manual

Technical data
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15.3.10 Pollution degree

Pollution level 2
15.3.11 Electromagnetic compatibility (EMC)
• Electromagnetic compatibility as per EN 61326 series and NAMUR recommendation
EMC (NE21)
• With regard to the safety function (SIL), the requirements of EN 61326-3-x are satisfied
• Maximum deviation under disturbance: < 0.5% of span
For more details, refer to the EU Declaration of Conformity.
15.4

Process

15.4.1

Process temperature range

–50 to +150 °C (–58 to +302 °F)
Observe pressure and temperature dependency,
pressure range of the sensors" section.
15.4.2

Thermal shock

≤ 120 K/s
15.4.3

Process pressure range

WARNING
L
The maximum pressure for the device depends on the lowest-rated element, with
regard to pressure, of the selected component. This means that it is necessary to pay
attention to the process connection as well as the sensor.
‣
For pressure specifications, see the "Mechanical construction" section.
‣
Only operate the device within the specified limits!
‣
The Pressure Equipment Directive (2014/68/EU) uses the abbreviation "PS". The
abbreviation "PS" corresponds to the MWP (maximum working pressure) of the device.
Refer to the following standards for the permitted pressure values of the flanges at higher
temperatures:
• pR EN 1092-1: With regard to its stability-temperature property, the material 1.4435 is
identical to 1.4404, which is classed as 13E0 in EN 1092-1 Tab. 18. The chemical
composition of the two materials can be identical.
• ASME B 16.5
• JIS B 2220
In each case, the lowest value from the derating curves of the device and the selected
flange applies.
Liquiphant FTL51B HART
for more details see the "Process
A
Endress+Hauser