Proline Prowirl 72F, 72W, 73F, 73W
32 Endress+Hauser
Other standards and
guidelines
• EN 60529: Degrees of protection by housing (IP code).
• EN 61010: Protection measures for electrical equipment for measurement, control, regulation and
laboratory procedures.
• EN 61326/A1: Electromagnetic compatibility (EMC requirements).
• NAMUR NE 21: Electromagnetic compatibility (EMC) of industrial process and laboratory control
equipment.
• NAMUR NE 43: Standardization of the signal level for the breakdown information of digital transmitters with
analog output signal.
• NACE Standard MR 0103: Standard Material Requirements - Materials Resistant to Sulfide Stress Cracking
in Corrosive Petroleum Refining Environments
• NACE Standard MR 0175: Standard Material Requirements - Sulfide Stress Cracking Resistant Metallic
Materials for Oilfield Equipment
• VDI 2643: Measurement of fluid flow by means of vortex flowmeters.
• ANSI/ISA-S82.01: Safety Standard for Electrical and Electronic Test, Measuring, Controlling and
related Equipment - General Requirements. Pollution degree 2, Installation Category II
• CAN/CSA-C22.2 No. 1010.1-92: Safety Standard for Electrical Equipment for Measurement and Control
and Laboratory Use. Pollution degree 2, Installation Category II
• The International Association for the Properties of Water and Steam - Release on the IAPWS Industrial
Formulation 1997 for the Thermodynamic Properties of Water and Steam
• ASME International Steam Tables for Industrial Use (2000)
• American Gas Association (1962): A.G.A. Manual for the Determination of Supercompressibility
Factors for Natural Gas - PAR Research Project NX-19.
Functional safety Prowirl 72: SIL 2 in accordance with IEC 61508 / IEC 61511-1
Prowirl 73: SIL 1
Ordering information
Ordering information and detailed information on the order code can be obtained from your Endress+Hauser
Service Organization.
Additional ordering information for Prowirl 72:
You can order your Prowirl 72 preconfigured.
For this purpose, the following information is needed when ordering:
• 20 mA value = at which measured value a current of 20 mA should be set
• Pulse value (if the device has a pulse output)
If you require the flow output in units of mass, we need:
• The average operating density of the fluid including the enginering unit to be used
If you require the flow output in units of corrected volume, we need:
• The operating and reference density of the fluid including the enginering unit to be used
The measuring device can be reset to the delivery state indicated in the order at any time.
Additional ordering information for Prowirl 73:
You can order your Prowirl 73 as preconfigured.
For this purpose, the following information is needed when ordering:
• Fluid (saturated steam, superheated steam, water or compressed air)
• Average operating pressure in bar absolute (not needed for saturated steam)
• 4 mA value = at which measured value (e.g. 50 kg/h) a current of 4
mA should be output, incl. enginering unit to be used
• 20 mA value = at which measured value (e.g. 1,000 kg/h) a current of 20
mA should be output, incl. enginering unit to be used
• Pulse value (if the device has a pulse output), incl. enginering unit to be used
The measuring device can be reset to the delivery state indicated in the order at any time.
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