Meter Specifications - Emerson Rosemount 3812 Installation Manual

Liquid ultrasonic flow meter for direct and remote mount meter electronics
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Installation manual
00825-0100-3812
1.7 

Meter specifications

 CAUTION
ESCAPING FLUIDS HAZARD
The purchaser of the meter is responsible for the selection of Rosemount
components/seals and materials compatible with the chemical properties of the
measurement fluid.
Failure to select suitable meter components/seals may cause escaping fluids,
resulting in injury or equipment damage.
Consult your Emerson Flow service representative to ensure you purchase the
correct components and seals for your application.
Table 1-2: Meter specifications
Liquid Ultrasonic Flow Meter specifications
Meter type
Enclosure materials
Ultrasonic type
Meter Performance
Linearity
Repeatability
Velocity range
Installation manual
Number of paths
Two path (four transducer) chordal
design
ASTM B26 Gr A356.0 T6 Aluminum
Chromate conversion coated with a
polyurethane enamel
ASTM A351 Gr CF8M Stainless Steel
Passivated
Transit-time based measurement
Spool piece with integral mount
transducers
± 0.30% of measured value over a 10:1
turndown (40 to 4 ft/s; 12.2 to 1.2 m/s)
±0.10% of reading in the specified
velocity range
40.0 ft/s (12.2 m/s) (nominal) to 2.0 ft/s
(0.6 m/s)
48 fps (14.3 m/s) (over-range)
Introduction
January 2023
15

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