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Technical specifications
11.4 Mechanical
SITRANS LR250 with FOUNDATION FIELDBUS
180
Operating Instructions, 09/2021, A5E32221411-AH
11.4
Mechanical
Transmitter
housing
Stainless steel
horn version
Process connec-
tion
Flange
2, 3, 4" (ASME B16.5 raised face 150 lb, 300
lb) DN50, DN80, DN100, DN150 (EN 1092-1
TYPE B1 raised face PN10/16, PN25/40), 50A,
80A, 100A (10K JIS B 2220 flat faced)
Threaded
1.5" NPT (ASME B1.20.1), R (BSPT, EN
10226-1), G (BSPP, EN ISO 228-1), 2" NPT
(ASME B1.20.1), R (BSPT, EN 10226-1), G
(BSPP, EN ISO 228-1), 3" NPT (ASME B1.20.1),
R (BSPT, EN 10226-1), G (BSPP, EN ISO 228-1)
Wetted materials
316L stainless steel with PTFE emitter op-
tional Alloy N06022/2.4602 (Hastelloy
®
C-22
or equivalent) with PTFE emitter, FKM or
FFKM seal
Horn
1.5" (40 mm), 2" (50 mm), 3" (80 mm), and
4" (100 mm) horn, optional 100 mm (4")
horn extension
Aluminum horn,
with polypropyl-
ene lens antenna
version
Process connec-
tion
Flange
Universal mount ANSI/DIN/JIS
3" (80 mm), 4" (100 mm), 6" (150 mm)
Wetted materials
Polypropylene, FKM seal
Horn
3" (80 mm) polyester powder coated exterior
PTFE flanged En-
capsulated
Process connec-
tion
Flange
2, 3, 4, 6" (ASME 150 lb); DN50, DN80,
DN100, DN150 (PN10/16); 50A, 80A, 100A,
150A (JIS 10K)
Wetted materials
TFM
TM
1600 PTFE lens
PTFE hygenic en-
capsulated
Hygienic encapsulated antenna
(HEA) connection
ISO 2852 (2, 3, 4")DIN 11851 (DN50, DN80,
DN100)DIN 11864-1/2/3 (DN50, DN80,
DN100)Tuchenhagen (Type F [50 mm] and
Type N [68 mm])316L /1.4404 or 316L
/1.4435 stainless steel
Wetted materials
316L /1.4404 or 316L /1.4435 stainless steel
TFM
TM
1600 PTFE lens
EPDM or FKM available as accessories
PVDF threaded
Thread sizes
2" NPT [(Taper), ASME B1.20.1], 2" [(BSPT),
EN 10226], 2" [(BSPP), EN ISO 228-1]
Wetted materials
PVDF (Polyvinylidene fluoride)
Enclosure
Construction
aluminum, polyester powder-coated
Conduit entry
2 x M20x1.5, or 2 x ½" NPT
Ingress protection
Type 4X, Type 6, IP67, IP68
Weight (excluding extensions)
1.5" threaded connection with 1.5"
horn antenna
approximately 5.1kg (11.2 lb)
2" threaded connection with 2" horn
antenna
approximately 5.5 kg (12.1 lb)
3" threaded connection with 3" horn
antenna
approximately 7.0 kg (15.4 lb)
Aluminum horn, with polypropylene
lens antenna version with 3" flange
approximately 3.4 kg (7.5 lb)
2" threaded PVDF antenna
approximately 3.3 kg (7.3 lb)