SMAR ld301, Operation And Maintenance Instruction Manual

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LD301 – Operation and Maintenance Instruction Manual
6.4
Span error:
Correctable to
±
0.2% of reading per 7 MPa (1000 psi) for ranges 2, 3, 4 & 5 or 3.5 MPa (500
psi) for range 1 and L models.
Power Supply Effect
± 0.005% of calibrated span per volt.
Mounting Position Effect
Zero shift of up to 250 Pa (1 inH
2
O) which can be calibrated out. No span effect.
Electro-Magnetic Interference Effect
Designed to comply with IEC 801.
Physical Specifications
Electrical Connection
1/2 -14 NPT, Pg 13.5, or M20 x 1.5 metric.
Process Connection
1/4 -18 NPT or 1/2 -14 NPT (with adapter).
For L models see ordering code.
Wetted Parts
. Isolating Diaphragms
316L SST, Hastelloy C276, Monel or Tantalum.
. Drain/Vent Valves and Plug
316 SST, Hastelloy C276 or Monel 400.
. Flanges
Plated carbon steel, 316 SST, Hastelloy C276 or Monel 400.
. Wetted O-Rings (For Flanges and Adapters)
Buna N, Viton

or PTFE. Ethylene-Propylene on request.
The LD301 is available in NACE MR-01-75 compliant materials.
Nonwetted Parts
. Electronic Housing
Injected aluminum with polyester painting or 316 SST (NEMA 4X, IP67).
. Blank Flange
Plated carbon steel, when the wetted flange is made of this same material, and 316 SST in the other
cases.
. Level Flange (LD301L) Material
316 SST.
. Fill Fluid
Silicone or Fluorolube Oil.
. Cover O-Rings
Buna N.
. Mounting Bracket
Plated carbon steel with polyester painting or 316 SST.
. Flange Bolts and Nuts
Plated carbon steel. Grade 7,316 SST or Carbon Steel B7M (For NACE applications).
. Accessories (Bolts, Nuts, Washers and U-Clamp) in Carbon Steel or 316 SST.
. Identification Plate
316 SST.
Mounting
a) Flange mounted for models LD301L.
b) Optional universal mounting bracket for surface or vertical/horizontal (DN 50) 2"-pipe (optional).
c) Via bracket on manifold valve (optional).
d) Directly on piping for closely coupled transmitter/ orifice flange combinations.
Approximate Weights
3.15 kg (7 lb) : all models, except L models.
5.85 to 9.0 kg (13 lb to 20 lb): L models depending on the flanges, extension and materials.