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Reference Manual
00809-0200-4101, Rev AA
July 2008
Rosemount 2051
A-10
Reference Process Connection (Transmitter Low Side)
Isolating Diaphragms
• 316L SST or Alloy C-276
Reference Flange and Adapter
• CF-8M (Cast version of 316 SST, material per ASTM-A743)
Non-Wetted Parts for
2051C/T/L
Electronics Housing
Low-copper aluminum or CF-8M (Cast version of 316 SST). Enclosure Type
4X, IP 65, IP 66, IP68
Coplanar Sensor Module Housing
CF-3M (Cast version of 316L SST)
Bolts
ASTM A449, Type 1 (zinc-cobalt plated carbon steel)
ASTM F593G, Condition CW1 (Austenitic 316 SST)
ASTM A193, Grade B7M (zinc plated alloy steel)
Sensor Module Fill Fluid
Silicone oil (D.C. 200) or Fluorocarbon oil (Halocarbon or Fluorinert
®
FC-43
for 2051T)
Process Fill Fluid (2051L only)
Syltherm XLT, D.C. Silicone 704,
D.C. Silicone 200, inert, glycerin and water, Neobee M-20 or propylene glycol
and water
Paint
Polyurethane
Cover O-rings
Buna-N