Emerson 3812 User Manual

Page of 138
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.
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
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.
Failure to select suitable meter components/seals may cause escaping fluids, resulting in injury or equipment 
damage.