Data sheet
SonoSensor 30
Ultrasonic flow sensor
Description
Features
• Available in nominal flow rates qp 0.6, 1.0,
• 1.5, 2.5, 3.5, 6.0, 10.0, 15.0, 25.0, 40.0, and 60.0
• m³/h
• Housings with thread (G3/4 to G2) or flange
• (DN20 to DN100) connections
• MID approval for ultrasonic flow meter with
• dynamic range of 1:100 (qi:qp) in class 2
• Optional dynamic range of 1:250 in class 2
• (with the exceptions of sensors qp 0.6 m3/h,
• 1.0 m3/h and 3.5 m3/h)
• Temperature range: 5 - 130 °C
• Operating pressure PN 16 or PN 25 bar
• Flow sensor with IP65 protection class and
• IP67 for heating/cooling application.
• Battery lifetime not less than 12 years
• Low pressure loss, insensitive to dirt
• No inlet or outlet restrictions up to DN50
• Short overload temperature up to 150 °C
MID examination certificate no.:
LT-1621-MI004-030
SonoSensor 30 is an ultrasonic flow sensor
especially designed for heating, cooling or
combined heating/cooling application in local
and district energy systems. It can be used in
conjunction with the type approved heating/
cooling energy calculator (e.g. Infocal 9) to form
combined heating/cooling energy meter.
SonoSensor 30 has been approved according to
MID in accuracy class 2. The flow sensor can be
mounted in both flow and return pipe.
© Danfoss | Energy Meters | 2021.08 AI271156201184en-010201 | 1
Data sheet SonoSensor 30
5
4
3
2
1
0
-1
-2
-3
-4
-5
q
i
qpq
s
EN1434 class 2
Key
typical accuracy
Technical specifications
Diameter DN 15 DN 20 DN25, DN32 DN40 DN 50 DN 65 DN 80 DN 10 0
Connection type G¾ G1 G1¼ G2 FL FL FL FL
Overall length, mm
Flow rate
Nominal, m3/h 0.6 1. 5
Maximum, m3/h 1.2 3.0
Minimum, l/h 6 6 15 6 6 15 10 25 15 10 25 35 24 6040100 60 150 25 40 60
Starti ng flow rate, l/h 3 3 3 5 5 17 12 20 30 12 0 200 300
Pressure l oss at qp, mbar 70 171 90 58 94 72 198 40 10 0 18 0 120 200 180 180
Max. operating pressure
Flow sensor temp. range 5 to 130°C (shor t overload 150°C)
Flow sensor to electronic
box cable length
Medium Water quali ty with pH 7 to 9.5
Volume measuring cycles 1 second
Supply voltage
Battery lifetime Not less th an 12 years
Approval EN1434 class 2
Environmental class class C
Ambient class E2 + M1
Protection class IP65 (IP67 for h eating/cooling)
Ambient operating temp. +5°C to +55 °C
Max. amb ient humidity <93% rel. hu midity
110
110 ;
165
190 130 260 300 270 300 300 360
0.6
1.2
1.5 2.5
3.0 5.0
1.5
2.5 3.5 6.0 10 15 25 40 60
3.0
5.0 7 12 20 30 50 80 120
Thread 16 bar
Flange 25 bar
1.2m up to DN32
2.5m up to DN 40 to DN100
3.6V DC Lit hium battery (A A-cell)/ Mains s upply 24V AC/DC
Mains supp ly 230V AC (with exter nal 230V to 24V AC transfor mer)
25 bar
Accuracy graph
Error [%]
Flow measurment accuracy
2 | AI271156201184en-010201 © Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
Design and function Power supply
Standard version contains AA cell 3,6V, 2,4 Ah lithium battery with a lifetime not less than 12 years. It
is also possible to have two internal lithium batteries (same type) with lifetime not less than 16 years.
Optionally external power supply (12V…42V DC or 12C…36V, 50/60Hz AC, 10mA) + internal backup
battery is available as accessory. External power supply module is mounted inside in the meter.
Pulse output
Measured flow rate is converted into the volume pulses which are transferred through pulse output
terminal. Pulse output class of flow output device: OD according to EN1434-2 + AC:2007. Maximum
flow cable length (from electronic box to energy calculator or pulse reading device) is up to 100m.
Mounting
Pipe position:
No limitations but avoid positions where air can
be collected.
Rotation in pipe axis:
Flow sensor should be angled in 45 to 315° to
avoid air collection in flow sensor.
Inlet/outlet conditions SonoSensor 30 sizes from DN15 to DN50 don’t need any calming sections before and after the flow
sensor.
To secure optimal conditions for flow measurement for sizes DN65, DN80 and DN100 it is necessary to
have straight inlet and outlet flow conditions 5xDN before and 3xDN after the flow sensor.
Inlet/outlet conditions
SonoSensor 30 in return pipe Infocal 9 terminal
18 (flow pulse) 52 (q2+)
19 (ground) 11 ( q2-)
SonoSensor 30 in supply pipe Infocal 9 terminal
18 (flow pulse) 10 (q1+)
19 (ground) 11 (q1- )
AI271156201184en-010201 | 3© Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
Dimensions
DN15, DN20 thread
Nominal flow rate q
Nominal diameter DN mm 15 20 20
Overall length L mm 110 130 190
Overall length with coupling L2 mm 185 224 284
Length of calculator L1 mm 117 117 117
Height H mm 14 18 18
Height H1 mm 67 67 68
Height of calculator H2 mm 39 39 39
Height of calculator H3 mm 44 44 44
Width B mm 90 90 90
Width of calculator B1 mm 81 81 81
Connection thread of meter AGZ inch G¾B G1B G1B
Connection thread of coupling AGV inch G¾B G¾B G¾B
Weight - kg 0.8 0.9 1.0
m3/h 0.6/1/1.5 1.5/2.5 0.6/1/2.5
p
4 | AI271156201184en-010201 © Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
Dimensions
(continuous)
DN25 thread
Nominal flow rate q
Nominal diameter DN mm 25
Overall length L mm 260
Overall length with coupling L2 mm 360
Length of calculator L1 mm 117
Height H mm 55
Height H1 mm 79
Height of calculator H2 mm 39
Height of calculator H3 mm 44
Width B mm 90
Width of calculator B1 mm 81
Connection thread of meter AGZ inch G1 ¼B
Connection thread of coupling AGV inch G1 B
Weight - kg 3.6
p
m3/h 3.5/6
AI271156201184en-010201 | 5© Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
Dimensions
(continuous)
DN40 thread
Nominal flow rate q
Nominal diameter DN mm 40
Overall length L mm 300
Overall length with coupling L2 mm 437
Length of calculator L1 mm 117
Height H mm 51
Height H1 mm 89
Height of calculator H2 mm 39
Height of calculator H3 mm 44
Width B mm 97
Width of calculator B1 mm 81
Connection thread of meter AGZ inch G2B
Connection thread of coupling AGV inch G1 ½ B
Weight - kg 7. 2
p
m3/h 10
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Data sheet SonoSensor 30
Dimensions
(continuous)
DN20, DN25, DN40, DN50 flange
Nominal flow rate q
Nominal diameter DN mm 20 25 40 50
Overall length L mm 190 260 300 270
Length of calculator L1 mm 117 117 117 117
Height H mm 46 58 73 79
Height H1 mm 68 78 91 90
Height of calculator H2 mm 39 39 39 39
Width B mm 105 11 6 150 15 9
Width of calculator B1 mm 81 81 81 81
Connection flange of meter DN
Weight - kg 2.5 5.6 6.8 8.5
m3/h 0.6/1/1.5/2.5 3.5/6 10 15
p
mm 20 25 40 50
FL
AI271156201184en-010201 | 7© Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
Dimensions
(continuous)
DN65, DN80, DN100 flange
DN65/PN16 DN65/PN25 DN80 DN100
L 300 300 300 360
D 185 185 200 220
H 185 185 200 220
D1 145 145 160 18 0
B 200 200 215 235
n 4 8 8 8
8 | AI271156201184en-010201 © Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
Ordering
Heating application SonoSensor 30 standard codes:
Nominal flow rate, size and connection
type
DN15 qp0.6 m³/h G3/4 110mm
DN15 qp1.5 m³/h G¾ 110mm
DN20 qp2.5 m³/h / G1 130mm
DN20 qp2.5 m³/h G1 190mm
DN25 qp3.5 m³/h/ G1¼ 260mm
DN25 qp6.0 m³/h G1¼ 260mm
DN32 qp3.5 m³/h flange 260mm
DN32 qp6.0 m³/h flange 260mm
DN40 qp10 m³/h flange 300mm
DN40 qp10 m³/h G2 300mm
DN50 qp15 m³/h flange 270mm
DN65 qp25 m³/h flange 300mm
DN80 qp40 m³/h flange 300mm
DN100 qp60 m³/h flange 360mm
All flow senso rs are battery powe red, minimum lifetime 12 years
Pulse
Weight
1 l/p PN16 1.2m Battery 3.6V DC (1 AA-cell) 187F3700
1 l/p PN16 5m Battery 3.6V DC (1 AA-cell) 187F3741
0,03 l/p PN25 1. 2m Bat tery 3.6V DC (1 AA-cell) 187F3771
1 l/p PN16 1. 2m Battery 3.6V DC (1 AA-cell) 187F3701
1 l/p PN16 5m Battery 3.6V DC (1 AA-cell) 187F3742
0,08 l/p PN25 1. 2m Battery 3.6V DC (1 AA-cell) 187F3772
1 l/p PN16 1.2m Battery 3.6V DC (1 AA-cell) 187F3702
1 l/p PN16 5m Battery 3.6V DC (1 AA-cell) 187F3743
0,12 l/p PN25 1. 2m Battery 3.6V DC (1 AA-cell) 187F3773
1 l/p PN16 1.2m Battery 3.6V DC (1 AA-cell) 187F3703
1 l/p PN16 5m Battery 3.6V DC (1 AA-cell) 187F3744
1 l/p PN16 1.2m Battery 3.6V DC (1 AA-cell) 187F3704
1 l/p PN16 5m Battery 3.6V DC (1 AA-cell) 187F3745
0,17 l/p PN25 1.2m Battery 3.6V DC (1 AA-cell) 187F3774
1 l/p PN16 1.2m Battery 3.6V DC (1 AA-cell) 187F3706
1 l/p PN16 5m Battery 3.6V DC (1 AA-cell) 187F3747
0,24 l/p PN25 1. 2m Battery 3.6V DC (1 AA-cell) 187F3775
1 l/p PN25 1.2m Batter y 3.6V DC (1 AA-cell) 187F3705
1 l/p PN25 5m Battery 3.6V DC (1 AA-cell) 187F3746
1 l/p PN25 1.2m Batter y 3.6V DC (1 AA-cell) 187F3707
1 l/p PN25 1.2m Batter y 3.6V DC (1 AA-cell) 187F3740
1 l/p PN25 5m Battery 3.6V DC (1 AA-cell) 187F3748
10 l/p PN25 2.5m Bat tery 3.6V DC (1 AA-cell) 187F3709
10 l/p PN25 5m Bat tery 3.6V DC (1 AA-cell) 187F3750
10 l/p PN25 2.5m Bat tery 3.6V DC (1 AA-cell) 187F3708
10 l/p PN25 5m Bat tery 3.6V DC (1 AA-cell) 187F3749
0,5 l/p PN25 2.5m Battery 3.6V DC (1 AA-cell) 187F3776
10 l/p PN25 2.5m Bat tery 3.6V DC (1 AA-cell) 187F3710
10 l/p PN25 5m Bat tery 3.6V DC (1 AA-cell) 187F3751
0,8 l/p PN25 2.5m Battery 3.6V DC (1 AA-cell) 187F3777
10 l/p PN25 2.5m Bat tery 3.6V DC (1 AA-cell) 187F3711
10 l/p PN25 5m Bat tery 3.6V DC (1 AA-cell) 187F3752
1,1 l/p PN25 2.5m Bat tery 3.6V DC (1 AA-cell) 187F3778
10 l/p PN25 2.5m Bat tery 3.6V DC (1 AA-cell) 187F3712
10 l/p PN25 5m Bat tery 3.6V DC (1 AA-cell) 187F3753
1,6 l /p PN25 2.5m Battery 3.6V DC (1 AA-cell) 187F3779
10 l/p PN25 2.5m Bat tery 3.6V DC (1 AA-cell) 187F3713
10 l/p PN25 5m Bat tery 3.6V DC (1 AA-cell) 187F3754
2,3 l/p PN25 2.5m Battery 3.6V DC (1 AA-cell) 187F3780
Nominal
pressure
Cable le ngth
transducer
cable
Power supply Code no.
Accessories
Flow sensor application Designation Quantity Code no.
Optical head Optical head OG-1-USB 1 pc 187F3112
Batter y 3.6 V DC (AA cell) 1 pc 187F3113
Power supply
Tailpiece connection set
Mains unit 230 V AC (ex ternal module) 1 pc 187F3114
Mains unit 24 V AC/DC 1 pc 187F3115
DN15 G3/4”-R1/2” PN25 130 °C 1 pair 087G6071
DN20 G1”-R3/4” PN25 130 °C 1 pair 087G6072
DN25 G1 1/4”-R1” PN25 130 °C 1 pair 087G6073
DN40 G2”-R1 1/2” PN25 130 °C 1 pair 087G6074
AI271156201184en-010201 | 9© Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
10 | AI271156201184en-010201 © Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
AI271156201184en-010201 | 11© Danfoss | Energy Meters | 2021.08
Data sheet SonoSensor 30
© Danfoss | Energy Meters | DCS-S/SI | 2021.0812 | AI271156201184en-010201
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