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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
co
mponents 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
rati
ng 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.