Emerson Rosemount 3308A, Reference Manual

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A.3.8 Weight
Table A-12: Flange and Probes
Item Weight
Flange Depends on flange size
Flexible single lead probe 0.05 lb/ft. (0.08 kg/m)
Rigid single lead probe (0.3-in./8 mm) 0.27 lb/ft. (0.4 kg/m)
Rigid single lead probe (0.5-in./13 mm) 0.71 lb/ft. (1.06 kg/m)
Segmented rigid single lead probe 0.71 lb/ft. (1.06 kg/m)
Flexible twin lead probe 0.09 lb/ft. (0.14 kg/m)
Coaxial probe 0.67 lb/ft. (1 kg/m)
Table A-13: End Weight
Item Weight
Small weight (code W1) SST probe: 0.88 lb (0.40 kg)
PTFE covered probe: 2.20 lb (1 kg)
Short weight (code W2) 0.88 lb (0.40 kg)
Heavy weight (code W3) 2.43 lb (1.10 kg)
Weight for twin lead probe 1.3 lb (0.60 kg)
A.3.9 End weight and anchoring options
There are in total four weight and anchoring options for flexible single lead probes. See
Figure A-12 for dimensions.
Small weight (code W1)
A small weight is recommended for narrow tank openings less than 1.5 in. (38 mm).
Required weight option for PTFE covered probes.
Short weight (code W2)
A short weight is available for the single flexible stainless steel probe. It is recommended
for maximized measuring ranges with measurements close to the probe end.
Heavy weight (code W3)
A heavy weight is the recommended choice for most applications.
Chuck (code W4)
To tie probe end to tank bottom.
Reference Manual Specifications and reference data
00809-0100-4308 February 2020
Reference Manual 161