Emerson 3812 User Manual
Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual
Section 1: Introduction
3-9000-765 Rev H
May 2015
Meter specifications
13
1.6
Meter specifications
Consult your Daniel Sales and Service representative to ensure you purchase the correct
components and seals for your application.
components and seals for your application.
Table 1-2 Meter specifications
Liquid Ultrasonic Flow Meter specifications
Meter type
Number of paths
•
Two path (four transducer) chordal design
Enclosure materials
•
ASTM B26 Gr A356.0 T6 Aluminum
—
Chromate conversion coated with a polyurethane enamel
•
ASTM A351 Gr CF8M Stainless Steel
—
Passivated
Ultrasonic type
•
Transit-time based measurement
•
Spool piece with integral mount transducers
Enclosure materials
•
ASTM B26 Gr A356.0 T6 Aluminum
—
Chromate conversion coated with a polyurethane enamel
•
ASTM A351 Gr CF8M Stainless Steel
—
Passivated
Meter Performance
Linearity
•
± 0.30% of measured value over a 10:1 turndown (40 to 4 ft/s; 12.2 to 1.2 m/s)
Repeatability
•
±0.10% of reading in the specified velocity range
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)
Body and Flange Pressure
rating range
rating range
U.S. Customary Units sizes - 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 28, 30, and 36 (in)
•
ANSI pressure classes 150 and 300, 600, 900 (per ANSI B16.5)
•
Carbon Steel
•
316 Stainless Steel
Metric Units sizes
•
DN 50, 75, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 750, and 900
•
PN 20, 50, 100, 150
•
Carbon Steel
•
316 Stainless Steel
Meter bore
•
Schedule 40 and Schedule 80
Maximum Pressures
•
Dependent on operating temperature
ESCAPING FLUIDS HAZARD
The purchaser of the meter is responsible for the selection of Daniel components/seals and materials
compatible with the chemical properties of the measurement fluid.
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.
damage.