Emerson 3812 User Manual
14
Meter specifications
Section 1: Introduction
Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual
March 2013
3-9000-765 Rev D
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
Ultrasonic type
•
Transit-time based measurement
•
Spool piece with integral mount transducers
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
Flange types
ANSI classes - 150, 300, 600 and 900
•
Raised face or RTJ
Specific Gravity
0.35 to 1.50
Accuracy Limits
Accuracy limits typically are:
•
± 2% without a flow calibration, ± 0.3% with flow calibration
Minimum operating
pressure
pressure
•
0 psig
•
0 barg
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.