Appendix B: Certificates
B.2 Instructions specific to hazardous area installations
Transducers
56 Compact Operating Instructions, 01/2018, A5E43390688_AA
10.The certification of the transducers rely upon the following materials used in their
construction:
• PVDF housing material
• CR housing material
• EPDM housing material
• CSM housing material
• Henkel ES2510 (Formerly
SCP1252-19C) encapsul-
ant
• PVDF housing material
• Henkel ES2510 (Formerly
SCP1252-19C) encapsul-
ant
• Norton Performance Plastics
Chemgrip bonding compound
• ETFE housing material
• PVDF housing material
• Dow-Coming 3-4207 encap-
sulant
• Royal EPOCAP 42174/52174
• Cotronics Durapot 864 en-
capsulant
11.If the equipment is likely to come into contact with aggressive substances, then it is the
responsibility of the user to take suitable precautions that prevent it from being adversely
affected, thus ensuring that the type of protection is not compromised.
– Aggressive substances: for example, acidic liquids or gases that may attack metals, or
solvents that may affect polymeric materials.
– Suitable precautions: for example, establishing from the material’s data sheet that it is
resistant to specific chemicals.
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