Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual
Section 1: Introduction
3-9000-765 Rev H
June 2017
Meter specifications
15
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
Meter Performance (continued)
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
•
0 psig
•
0 barg
Electronic specifications
Power
Meter
•
10.4 VDC to 36 VDC measured at the meter terminals
1
•
11 W maximum power consumption
Serial cable
•
Belden #9940 or equivalent (22 gauge)
—
Capacitance (pF/m) 121.397 (conductor to conductor)
—
Capacitance (pF/m) 219.827 (conductor to other conductor and shield)
—
Resistance (DC) DCR @ 20 °C (Ohm/km) 48.2307
Nominal Outer shield resistance - DCR @ 20°C (Ohm/km) 16.405
—
Operating voltage - 300 V RMS (UL AWM Style 2464)
—
Current 2.4 Amps per conductor @ 25°C (recommended)
Ethernet cable
•
Cat-5 Standard 100Mbps
Frequency (
•
22 AWG wire characteristics are as follows:
—
Capacitance = 20 pF/ft or 20 nF/1000 ft (between two wires)
—
Resistance = 0.0168 Ohms/ft or 16.8 Ohms/1000 ft
—
Pull-up voltage is 24 VDC
Temperature
flameproof transmitter
electronic enclosure and
base electronic enclosure
•
Ambient: -40
o
F to 140
o
F (-40
o
C to 60
o
C)
•
Storage: -58
o
F to 185
o
F (-50
o
C to 85
o
C)
Note: The transmitter electronics enclosure and base enclosure must be remote mounted if the
operating temperature exceeds 140
o
F (60
o
C).
Table 1-2 Meter specifications
