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Hybrid Ultrasonic Flow Meter
DXN Portable Ultrasonic Flow and Energy Meter
DESCRIPTION
The DXN Portable Ultrasonic Flow and Energy Meter is a true
hybrid instrument, capable of measuring liquid flow with multiple
technologies, including: Doppler, transit time and liquid thermal
(heat energy) flow. Easy to install by clamping onto the outside
of the pipe, the DXN measures flow using non-invasive ultrasonic
sensors. Compatible with a pipe wall thickness gauge, inside
pipe diameter can be verified to ensure accurate ultrasonic
measurements when piping details are unknown or unavailable.
The DXN has a number of advanced features including a
touchscreen interface, full-color graphing, wizard-based start-up
configuration, USB connectivity, and Modbus TCP/IP connectivity.
These features make it easy for technicians to obtain accurate
readings while capturing flow surges and high-speed batch
operations. The DXN captures and displays multiple user-defined
and application parameters at once and can record the data with
an easy-to-use data logging function. The ability to monitor and
record several parameters at once allows technicians to verify and
troubleshoot permanent flow installations with ease.
OPERATION
Transit time flow meters measure the time difference between
the travel time of an ultrasound wave going with the fluid flow
and then against the fluid flow. This time difference is used to
calculate the velocity of the fluid traveling in a closed-pipe system.
The transducers used in transit time measurements operate
alternately as transmitters and receivers. Transit time measurements
are bi-directional and are most effective for fluids that have low
concentrations of suspended solids.
Doppler flow meters operate by transmitting an ultrasonic wave
from a transducer through the pipe wall and into the moving
liquid. The sound wave is “reflected” by suspended particles or
bubbles moving with the liquid and ultimately gathered by the
receiving transducer. A frequency shift (Doppler effect) will occur
that is directly proportional to the speed of the moving particles or
bubbles. This shift in frequency is interpreted by the digital signal
processor (DSP) and converted to a fluid velocity measurement.
Using its built-in hybrid technology, the DXN will automatically
choose which type of flow measurement to read based on signal
quality during operation. Regardless of the method used to
determine velocity, multiplying the pipe’s cross-sectional area by
the fluid velocity produces a volumetric flow rate. The measurement
also presumes that the pipe is completely full during the
measurement cycle.
When used in conjunction with flow measurement, temperature
measurements can yield energy usage readings in the form of heat
flow. To find the net heat loss or gain, energy usage is calculated by
multiplying the flow rate of the heat transfer fluid by the change of
heat content in the fluid after it has done some kind of work
An ultrasonic meter equipped with heat flow capabilities measures
the rate and quantity of heat delivered or removed from devices
such as heat exchangers. The instrument measures the volumetric
flow rate of the heat exchanger liquid, the temperature at the inlet
pipe and the temperature at the outlet pipe.
Rate of Heat Delivery = Q * (TIn - T
Where…
Q = Volumetric ow rate
T
= Temperature at the Inlet
In
T
= Temperature at the Outlet
Out
C = Heat Capacity
ρ = Density of uid
By applying a scaling factor, this heat flow measurement can be
expressed in the units of your choosing (Btu, Watts, Joules, Kilowatts
and so on).
) * C * ρ
Out
HYB-DS-00086-EN-06 (October 2018)
Product Data Sheet
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Hybrid Ultrasonic Flow Meter, DXN Portable Ultrasonic Flow and Energy Meter
SPECIFICATIONS
Process Monitoring Inputs/Outputs
Connector 15-pin high-density DSUB
Breakout Box 0.2 in. quick disconnect screw terminal; 15-pin to adapter box; 6 ft (1.8 m) of cable (DSUB to DSUB connectors)
RTD Input
Current Output 4…20 mA active/passive 1% accuracy
Voltage Input 0…5V or 0…10V, 1% accuracy, Software scaling and control, 80 k Ohms input impedance, Data log capable
Voltage Output 0…5V or 0…10V output voltage, 1% accuracy, Software scaling and control, 100 Ohms output impedance
Sensor Supply 14V @ 50 mA max for powering current or voltage sensors
Digital Output
Digital Input Totalizer reset, external pull-up, software enabled
System
Measurement Type
Liquid Types Liquid dominant fluids, acoustically conductive
Velocity Range Transit Time: Bi-directional to 40 FPS (12 MPS) Doppler: Uni-directional to 40 FPS (12 MPS)
Flow Rate Accuracy Transit Time: ±1% of reading or ±0.01 FPS (0.003 MPS), whichever is greater. Doppler: 2% of full scale
Flow Sensitivity 0.001 FPS (0.0003 MPS)
Repeatability ±0.1% of reading
Temperature Accuracy Absolute: 0.5° F (1° C) Difference: 0.2° F (0.5° C) Resolution: 0.02° F (0.01° C)
Logging Greater than 300 sites stored in 1 GB; download to USB flash drive
Update Time 0.1…10 seconds update/filter rate. Transit time, up to 50 Hz high speed mode
Battery
Power Requirements
Power Cords
Display
Ambient Conditions Battery powered: –4…110° F (–20…45° C) Externally powered: –20…140° F (–30…60° C)
Storage Temperature Do not exceed 175° F (80° C)
Enclosure Water/dust resistant
User Menu
Compliance Safety: UL61010-1, CSA C22.2 No. 61010-1, EN61010-1 Directives: 2006/95/EC low Voltage, 2004/108/EC EMC
Energy/Temperature (2) tab type PT1000 RTDs.
Can handle various temperature ranges from –58…392º F (–50…200º C), based on RTD type
Open collector, external pull-up; Rate or total pulse user selectable
Rate pulse:
0…1000 Hz
Flow: Ultrasonic transit time and Doppler (reflection of acoustic signals); hybrid operation; liquid thermal energy
Pipe wall thickness: Ultrasonic transit time of acoustic signals
Internal 11.1V lithium ion battery, 75 W-hr. Provides 6…9 hr of continuous operation with battery and indefinitely on
external power. Complete charge at 32…104° F (0…40° C), 4 hours when powered off.
Transmitter: 10…30V DC via 3-pin connector, 40 W, minimum; 3.6 A re-settable fuse
Supplies: Wall adapter: 100…240V AC 50/60 Hz 50 W 10…18 V; Cigarette lighter adapter: 5 A fused
North American plug (2 flat & 1 round prong; NEMA 5/15P); Chinese plug (3 flat prongs; GB2099);
Euro plug (2 round prongs; CEE7/7); U.K./Singapore plug (3 rectangular prongs; BS1363A)
Japanese plug (2 flat & 1 round, JIS8303, w/ 3-2 prong adapter)
Australian plug (3 flat prongs, AS3112)
800 × 480 WVGA color outdoor readable display;
gloved-operation resistive touch screen 6 in. × 3.6 in. (152.4 mm × 41.44 mm)
Multi-language: English, Spanish, German, French, Portuguese, Japanese, Russian, Italian, Dutch, Norwegian, Swedish,
Korean, simplified Chinese, Polish
Total pulse: 33 ms duration
Transducers
Pipe Sizes 1/2 in. and larger; US standard pipe tables are built into user Interface
DTTSU: CPVC, Ultem®, and
Housing Material
Pipe Surface Temperature
Transducer Frequency
Cable Length Transit time: 20 ft (6 m) paired coaxial cable, BNC to BNC, Doppler: 20 ft (6 m) paired coaxial cable, BNC to 4-pin
Pipe Thickness
RTDs 2 × platinum TCR 0.00385, 1000 Ohm, 3-wire PVC jacketed cable standard with quick connector
anodized aluminum track
system; nickel-plated brass
connector with Teflon®
insulation
DTTSU/DTTL: –40…194° F
(–40…90° C)
DTTSU: 2 MHz DTTR/DTTH: 1 MHz DTTL: 500 kHz DT94: 625 kHz
Dual mode transducer with 6 ft (1.8 m) of cable (BNC ends), ± 0.03 in. (0.76 mm), stainless steel, carbon steel, pipe,
polypropylene, PVC pipes
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DTTR: PBT glass filled, Ultem,
Nylon cord grip, PVC cable
jacket
DTTR: –40…250° F
(–40…121° C)
DTTL/DT94: CPVC, Ultem®;
nickel-plated brass connector
with Teflon® insulation
DT94: –40…194° F
(–40…90° C)
DTTH: PTFE, Vespel, Nickelplated brass cord grip PFA
cable jacket
DTTH: –40…350° F
(–40…176° C)
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Product Data Sheet
MOUNTING SYSTEM
For DTTR transducers, the rail mounting kit aids in installation and positioning of the transducers. Transducers slide on the rails, which have
measurement markings that are used for proper spacing of transducers.
DXN CONNECTION PANEL
Doppler Transducer
Transit Time Transducer (Upstream)
Transit Time Transducer (Downstream)
Auxiliary
I/O
DIMENSIONS
DXN Transmitter
On/O Switch
A
A B C
7.8 in. (198 mm) 9.4 in. (240 mm) 3.8 in. (96 mm)
Power/Charger
B
EthernetUSB
C
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Hybrid Ultrasonic Flow Meter, DXN Portable Ultrasonic Flow and Energy Meter
Transducers
A B
0.3 1.51.0 2.0
DTTSU Transit Time Transducer
C
A
B
C
DT94 Doppler Transducer
C
B
A
B
C
A
DTTR Transit Time Transducer
A B C D Minimum Pipe O.D. Maximum Pipe O.D.
DTTSU 7 in. (178 mm) 1.6 in. (42 mm) 1.5 in. (39 mm) — 0.5 in. (12 mm) 2.4 in. (60 mm)
DT94 1.7 in. (43 mm) 4.1 in. (105 mm) 1.9 in. (48 mm) — 1 in. (25 mm) 60 in. (1524 mm)
DTTR 4.6 in. (117mm) 2.3 in. (58 mm) 3.6 in. (91 mm) — 2 in. (50 mm) 98 in. (2500 mm)
DTTL 2.5 in. (63 mm) 4.2 in. (107 mm) 2.5 in. (63 mm) 3.9 in. (99 mm) 16 in. (400 mm) 120 in. (3050 mm)
DTTH 3.1 in. (79 mm) 2.9 in. (75 mm) 1.7 in. (43 mm) 3 in. (76 mm) 2 in. (50 mm) 98 in. (2500 mm)
DTTL/DTTH Transit Time Transducer
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PART NUMBER CONSTRUCTION
-
-
1
Product Data Sheet
Transit Time/Doppler Hybrid
DXN P
S
MODEL
Portable Ultrasonic Flow Meter P
POWER CORD (see image below for details)
North American A
Chinese C
European E
Japanese J
United Kingdom U
Australian Z
SENSOR AND HARDWARE KIT
Basic B
Transit Time T
Hybrid H
Hybrid All Sizes U
Energy E
Full F
CARRYING CASE
DXN Shoulder Strap and Outter Carrying Case S
APPROVALS
CE; General Safety, U.S., Canada and Europe N
OPTIONS
None N
1
Includes Universal AC Power Converter; 95… 264V AC 50/60 Hz; C14 Connection
N N
SENSOR AND HARDWARE KIT OPTIONS
Small pipe and standard pipe transit time transducers and 20 ft cables
Basic
Transit Time
Standard Temperature
Hybrid Basic kit, Doppler transducers and 20 ft cables for Doppler tranducers
Hybrid All Sizes Basic kit, large pipe transducers, Doppler transducers and 20 ft cables for Doppler transducers
Energy
Full
OTE:N High temperature transducers available separately.
(1) Couplant, grease; 5.3 oz; Dow 111
(1) Couplant, Ultrasound gel; 0.25 liter bottle
(4) Stainless steel straps (1/2" wide, 12-5/16" max dia., worm drive clamp)
Basic Kit and large pipe transducers
Basic kit and non-invasive RTDs
(1) Silicone Heat Sink Compound; 5 oz. syringe
(1) RTD Installation tape, 36 feet
Basic kit plus all, transit time, Doppler, RTDs and pipe wall thickness gauge
(1) Silicone Heat Sink Compound; 5 oz. syringe
RTD Installation tape, 36 feet
(2) Stainless steel straps (1/2" wide, 21-1/4" max dia., worm drive clamp)
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Hybrid Ultrasonic Flow Meter, DXN Portable Ultrasonic Flow and Energy Meter
PARTS AND ACCESSORIES
Power Cords and Cables
Part Number Description
D005-2109-013 North American Plug (2 flat & 1 round prong; NEMA 5/15P)
D005-2109-015 UK Plug (3 rectangular prongs; BS1363A)
D005-2109-016 European Plug (2 round prongs; CEE7/7)
D005-2109-017 Japan Plug (2 flat & 1 round, JIS8303, w/ 3-2 prong adapter)
D005-2109-014 China Plug (3 flat prongs; GB2099)
D005-2109-018 Australian Power Plug (3 Flat Prongs; AS3112)
D005-2129-020 Transit Time Cables, 20 ft (6 m)
D005-2129-050 Transit Time Cables, 50 ft (15 m)
D005-2129-100 Transit Time Cables, 100 ft (30 m)
D005-2130-020 Doppler Cables, 20 ft (6 m)
D005-2130-050 Doppler Cables, 50 ft (15 m)
D005-2130-100 Doppler Cables, 100 ft (30 m)
Transducers (Heads with Case)
Part Number Description Minimum Pipe O.D. Maximum Pipe O.D.
D010-2200-002-C DTTSU Universal Small Pipe 0.5 in. (12 mm) 2.4 in. (60 mm)
D071-0107-302-C DTTR Standard Pipe 2 in. (50 mm) 98 in. (2500 mm)
D071-0110-200-C DTTL Large Pipe 16 in. (400 mm) 120 in. (3050 mm)
D071-0112-001-C DT94 Doppler Transducer 1 in. (25 mm) 60 in. (1524 mm)
DTTH-020-D000-N-C
Spare Parts
DTTH High Temperature,
Standard Pipe Kit
2 in. (50 mm) 98 in. (2500 mm)
Part Number Description
D002-2007-004 0…392° F (0…200º C) RTD Silicone stretch tape
D002-2007-001 36 in. (914 mm) SS Hose clamp / transducer strap
D002-2007-005 72 in. (1829 mm) SS Hose clamp / transducer strap
D002-2011-014 AcquaSonic 100
D002-2011-001 Acoustic couplant, grease (Dow 111), 150° F (65° C) 5.3 oz (150.2 gram) tube
D002-2011-011 Acoustic couplant, paste high temperature, 5 oz (142 gram) tube, 392° F (200° C)
D010-2102-310 DTTR rail
D040-0115-003-T Wall thickness gauge, 6 ft (1.83 m)
D010-3000-128 Industrial RTD Kit1, 1000 Ohm, 392° F (200° C); 20 ft (6 m) cable
D010-3000-130 Industrial RTD Kit1, 1000 Ohm, 392° F (200° C); 50 ft (15 m) cable
D010-3000-132 Industrial RTD Kit1, 1000 Ohm, 392° F (200° C); 100 ft (30 m) cable
1
RTD Kits include 2 RTDs, heat sink compound and installation tape.
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HYB-DS-00086-EN-06
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INTENTIONAL BLANK PAGE
Product Data Sheet
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Hybrid Ultrasonic Flow Meter, DXN Portable Ultrasonic Flow and Energy Meter
Control. Manage. Optimize.
DYNASONICS is a registered trademark of Badger Meter, Inc. Other trademarks appearing in this document are the property of their respective entities. Due to continuous research,
product improvements and enhancements, Badger Meter reserves the right to change product or system specications without notice, except to the extent an outstanding
contractual obligation exists. © 2018 Badger Meter, Inc. All rights reserved.
www.badgermeter.com
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