Endress+Hauser FTL62 Series, Руководство по функциональной безопасности

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Design Liquiphant FTL62 with electronic insert FEL67
10 Hauser
1.000
0.100
0.010
ρ
[g/cm³]
0.001
+300
+527
-60
-76
+60
+140
+120
+248
+180
+356
+240
+464
±0
+32
[°C]
T
[°F]
1
2
A0026840
 1 Density of gas phase above the medium
1 Switch position for density 0.7 g/cm³
2 Switch position for density 0.5 g/cm³
L
CAUTION
Gas density is exceeded!
"Free" status is not detected and "Covered" is always signaled.
‣
The gas density may not be exceeded.
• There is no minimum density for the gas phase.
Operation in a vacuum is permitted!
• There is no maximum density for the liquid.
• For more information on the levels of diagnostic coverage, refer to IEC 61508-2:2010
Appendix A.2, Comment 2 and Table A.1.
3.4.2 Buildup (only for MIN detection)
The device may only be used in media that do not tend to cause buildup. Buildup is considered
to be any deposits with a thickness of over 0.5 mm (0.02 in). Buildup can have the effect that