Technical information
Ultrasonic Level Sensor LUC-M**
Mechanical construction
DOCT-0805F 01/2010 185414
19
Housing design Types of housings
• F12 housing with sealed terminal compartment for standard or EEx ia applications
• T12 housing with separate terminal compartment and explosion proof encapsulation
Material
Aluminium, seawater resistant, chromed, powder-coated
Cover
• Aluminium, for version without on-site display.
• Inspection glass for version with on-site display. This version cannot be supplied together with
the ATEX II 1/2 D certificate.
Process connection,
sealing material,
sensor material
1)
Pepperl+Fuchs supplies DIN/EN flanges made of stainless steel AISI 316L with the material number 1.4435 or 1.4404.
With regard to their temperature stability properties, the materials 1.4435 and 1.4404 are grouped under 13E0 in
EN 1092-1, table 18. The chemical composition of the two materials can be identical.
Sensor Process connection Material in contact with process
LUC-M10 • thread G1½
• thread 1½ NPT - 11.5
sensor: PVDF
seal: EPDM
LUC-M20 • thread G2
• thread 2 NPT - 11.5
sensor: PVDF
seal: EPDM
LUC-M30 • universal flange
DN 100/ANSI 4"/JIS 16K100
• mounting bracket
sensor: UP and stainless steel 1.4571 (316Ti)
seal: EPDM
flange: PP or stainless steel 1.4571 (316Ti)
LUC-M40 • universal flange
DN 80/ANSI 3"/JIS 10K 80
• universal flange
DN 100/ANSI 4"/JIS 16K100
• mounting bracket
sensor: PVDF
seal: Viton or EPDM
flange: PP, PVDF or stainless steel 1.4535 or 1.4404
(316L)
1