Data sheet
SonoSelect 10 and SonoSafe 10 Energy Meters
Description
The Danfoss SonoSelect 10 and SonoSafe 10 are ultrasonic compact energy meters intended for measuring energy consumption in heating, cooling and combined heating and cooling applications for billing purposes. The meters are designed for remote meter read-out (AMR).
The energy meters consist of an ultrasonic flow sensor, a pair of Pt1000 temperature sensors and a calculator with integrated circuits for temperature measurement, flow calculation and energy calculation.
Feature highlights:
•Proven ultrasonic measuring principle designed for long operating life time
•No calming section or inlet/outlet restrictions
•Low pressure drop down to 0.03 bar at qp
•Large 85 x 35 mm LCD display with 8 digits (11.5 mm high), guiding menu and info panel
•Compact design
•Extensive change and error log
•Memory: 4 years of data, yearly and monthly values stored (incl. pulse input)
•Upgradable with communication modules in bracket (dual M-Bus, connection with water meter)
•Power supply 3.6V battery (replacable) or 230V mains power
•Communication baud rate 300, 2400, 4800 and 9600 bps
•SonoApp usable for Android (Bluetooth LE via dongle)
Special |
SonoSelect 10 |
SonoSafe 10 |
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features: |
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Battery |
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16 + 1 years battery life (from production date) |
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10 + 1 years battery life |
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Heating or cooling or combined heating and cooling |
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Heating |
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Supply and return can be configured on site |
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Energy units can be configured on site |
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Energy units can be configured on site |
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Flexibility |
• Slot for communication upgrade |
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• Slot for communication upgrade |
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• 0.5 m cable PVC between calculator and |
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1.5m PUR or silicone cable between calculator and flow |
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flow sensor |
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sensor allow for flexible installation, e.g. in flat stations |
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EN1434 class 2 + flow and energy calculated every 0.5 |
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second |
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Tamper monitor sets alarm if meter is opened by |
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EN1434 class 2 + flow and energy calculated |
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Safety |
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unauthorized personnel |
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every 2 seconds |
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Diagnostic function to secure confidence in meter data |
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IP54 calculator |
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IP65 calculator |
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Reverse flow indication |
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Installer tool (Guides and configure e.g. AMR, Pulse, units, |
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Installer tool (Guides and configure e.g. |
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AMR, Pulse, units) |
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supply/return) |
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SonoApp |
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Operation tool (walk-by) |
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Commissioning tool (Link location to serial number) |
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Commissioning tool (Link location to serial |
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Operation tool (walk by + diagonstics) |
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number) |
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© Danfoss | 2021.07 |
AI191586476414en-011003 | 1 |
Data sheet |
SonoSelect 10 and SonoSafe 10 energy meters |
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Technical specifications, Complete energy meter
* Bifunctional energy meters available only in approved meteorological range 5-95 °C
Application |
Heating, cooling or combined heating and cooling* |
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Medium |
Water quality with pH 7 to 9.5 VDI 2035, VdTÜV TCh 1466 |
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Approvals, heating |
EN1434 class 2 and 3, MID (DK-0200-MI004-034), CPA according to JJG225 -2010 |
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Approvals, cooling |
Denmark: TS 27.02 010, Switzerland: METAS CH-T2-17763-01, |
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Germany: PTB 17-22.001-DK, Austria: BEV-13.426_0078-E2_2017 |
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Flow: 0.5 sec. (SonoSelect 10), 2 sec. (SonoSafe 10) |
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Measuring cycle |
Energy: 0.5 sec. (SonoSelect 10), 2 sec. (SonoSafe 10) |
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Temperature: 4 sec. (SonoSelect 10), 10 sec. (SonoSafe 10) |
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SonoSafe |
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SonoSelect |
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Approved meteorological range |
ΔΘ: 3- 90K |
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ΔΘ: 3 - 90K |
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ΔΘ: 3 - 125K |
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Θ: 5- 95 °C |
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Θ: 5 - 95 °C |
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Θ: 5 - 130 °C |
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SonoSafe |
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SonoSelect |
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Temp. limits (energy calculation) |
ΔΘ: 0.25 - 100K |
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ΔΘ: 0.25 - 100K |
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ΔΘ: 0.25 - 130K |
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Θ: 0 - 105 °C |
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Θ: 0 - 105 °C |
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Θ: 0 - 140 °C |
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IP |
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65 (SonoSelect 10), 54 (SonoSafe 10) |
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Cable strain relief |
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Withstand more than 5 kg |
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Ambient operating temperature |
Class A: 5 - 55° C indoor installation non condensing |
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Ambient storage temperature |
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-25 - 60° C |
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Temperature media |
SonoSafe |
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SonoSelect |
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5-95 °C |
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5-95 °C |
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5-130 °C |
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Mechanical environment |
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Class M2 |
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Electromagnetic environment |
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Class E1 |
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Technical specifications, Calculator
* Battery life time measured under following preconditions: enclosure temp. 45° C, communication every 15 min.
at 2400 baud or faster, 80 meters on bus. Please contact Danfoss for further information.
Power supply |
3.6 V DC lithium battery (2 AA SonoSelect 1 AA SonoSafe), Mains supply 230V AC |
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Battery life time* |
16+1 years (SonoSelect 10), 10+1 years (SonoSafe 10) |
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Voltage of Alternating Current |
230V AC |
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Upper and lower voltage tolerance |
+10%/-15% |
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Alternating current voltage frequency |
50/60 Hz |
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Power consumption |
< 2.5VA |
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Mains Supply |
Output |
3.6V DC |
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Integral SuperCap eliminates interruptions |
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Backup supply |
of Energy meter due to power failures for |
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up to 60 Min. |
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Cable gland |
M12 |
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Mains supply cable |
2 wire with PHR3-2 connector for Mains |
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supply |
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85 x 35 mm LCD display with 8 digits (11.5 mm high main characters) |
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Display |
Menu guide and info panel |
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16 years of operation at qp, 45 °C without display overflow |
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Units |
MWh - kWh - GJ - Gcal - °C - K - m3 - m3/h - l/h |
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Memory |
4 years of data, yearly and monthly values stored (incl. pulse input) |
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available as of FW01.06.00 |
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Optical interface |
Optical acc. to EN62056-21. |
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Data protocol acc. to EN13757-3, supports 2400 or 4800 baud. |
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Wired M-Bus to EN13757-3, supports 300, 2400, 4800, 9600 baud. |
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Communication |
Delivered with 1 m cable (SonoSelect 10: PUR, SonoSafe 10: PVC) |
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Serial number: sssssvvNNyyWW (addressing) |
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ss: Primary address, yWWsssss: Secondary address |
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Additional communication |
1 slot for communication module (delivered from factory or later upgrade) |
Technical specifications, |
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DN |
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15 |
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15 |
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20 |
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20 |
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25 |
25 |
25 |
32 |
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Flow sensor |
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Nominal flow qp |
(m3/h) |
0.6 |
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1.5 |
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1.5 |
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2.5 |
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3.5 |
3.5 |
6.0 |
6.0 |
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Max flow qs |
(m3/h) |
1.2 |
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3 |
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3 |
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5 |
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7 |
7 |
12 |
12 |
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Minimum flow (1:100) qi* |
(m3/h) |
0.006 |
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0.015 |
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0.015 |
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0.025 |
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0.035 |
0.035 |
0.06 |
0.06 |
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Cut off flow qc |
(m3/h) |
0.0012 |
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0.003 |
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0.003 |
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0.005 |
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0.007 |
0.007 |
0.012 |
0.012 |
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Overflow qss |
(m3/h) |
1.32 |
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3.3 |
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3.3 |
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5.5 |
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7.7 |
7.7 |
12.3 |
12.3 |
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Pressure drop (at qp 50 °C) |
(mBar) |
30 |
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150 |
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150 |
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160 |
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130 |
130 |
220 |
220 |
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Kvs values (Δp=Q2/Kvs2) |
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3.46 |
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3.87 |
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6.25 |
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9.71 |
9.71 |
12.79 |
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Connection |
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G¾A” |
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G1A” |
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G1¼A” |
G1¼A” |
G1¼A” |
G1½A” |
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110mm |
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130mm |
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160mm |
260mm |
260mm |
260mm |
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Pressure PN |
(bar) |
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16 (SonoSafe); 16 and 25 (SonoSelect) |
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IP [EN60529] |
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65 |
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Temperature limits |
(°C) |
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0 to 105 (SonoSafe); 0 to 105 and 0 to 130 (SonoSelect) |
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Cable length |
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1.5m (SonoSelect 10: PUR or silicone), 0.5m (SonoSafe 10: PVC) |
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* Technically prepared for 1:250 qi |
Mounting |
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Any position, no inlet or outlet restrictions |
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2 | AI191586476414en-011003 |
© Danfoss | 2021.07 |
Data sheet |
SonoSelect 10 and SonoSafe 10 energy meters |
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Technical specifications, Temperature sensor
Type |
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Pt1000 direct short, 2 wire |
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Size |
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Diameter: Ø5.2 mm, length: 26 mm |
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Nipple |
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M10 x 1 mm brass, with pin lock |
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Cable length |
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1.5 m |
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Accuracy |
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Class B (EN60751) |
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Temperature range |
SonoSafe |
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SonoSelect |
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5 to 95 °C |
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0 to 105 °C |
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0 to 150 °C |
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IP |
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65 |
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Approved temp. range to EN60751 |
SonoSafe |
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SonoSelect |
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Θ: 0 - 105 °C |
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Θ: 0 - 105 °C |
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Θ: 0 - 150 °C |
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Difference temp. EN60751 |
SonoSafe |
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SonoSelect |
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ΔΘ:3 - 105 K |
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ΔΘ:3 - 105 K |
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ΔΘ:3 - 150 K |
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Pressure |
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25 bar |
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Communication modules
* See section with data telegram.
Modules in general
To adapt the meter for various applications SonoSelect 10 and SonoSafe 10 features a slot for mounting communication modules. Each module features its own µ-controller and is powered by its own battery. Modules have their own parameter set which is saved in the module µ-controller flash memory. A local copy of the energy meter parameters used for communication is stored in the module. Data from module is updated in meter every 10 minutes.
Power: Lithium Thionyl Chloride battery (half of AA size) or Mains power supply (230 V). 2 pulse in/outputs have common ground.
Modules are galvanically isolated from main Energy Meter circuitry.
Wired M-Bus module with 2 pulse inputs
Once installed the meter will display the icon for wired communication and pulse inputs in loop 2 of the display. Wired M-Bus is galvanically isolated from µ-controller and pulse inputs. The two pulse inputs can be programmed independently of each other (see specification for pulse input module).
M-Bus (primary) |
Lithium Thionyl Chloride battery (half of AA size) |
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M-Bus (secondary) |
M-Bus supply |
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Baud rate supported |
300, 2400, 4800, 9600 |
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Communication protocol |
According to EN1434-3 & EN13757-3 |
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Battery life time |
16+1 year |
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Addressing |
Serial number: sssssvvNNyyWW |
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ss: Primary address, yWWsssss: Secondary address |
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Wireless OMS communication module, 868.95MHz with 2 pulse inputs
Once installed the meter will display the icon for wireless communication and pulse inputs in loop 2 of the display. The two pulse inputs can be programmed independently of each other (see specification for pulse input module).
Standard |
Open Metering System (OMS) issue 4.0.2 |
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Frequency |
868.95 MHz |
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Antenna |
Internal |
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Transmission power |
10mW (Max. 25mW; 13,9 dBm) |
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Mode |
T1 mode |
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Encryption |
AES 128 bit encryption (mode 5), Parameterized Static key |
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Sending interval |
Fixed network: 15 min. |
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Telegram |
Standard telegram* |
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Battery life time |
12+1 year (with pulse inputs off) |
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Addressing |
Serial number: sssssvvNNyyWW |
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yWWsssss: Secondary address |
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* Suitable for both electronic switch and Reed contact.
2 pulse input module
Once installed the meter will display the icon for pulse inputs in loop 2 of the display. Accumulated volume is only readable by communication. The two pulse inputs can be programmed independently of each other.
Pulse value |
0.001 m³ to 1 m³ per pulse |
Voltage supply |
≤ 6.0 V |
Source current |
≤ 0.1 mA |
High level input threshold |
≥ 2 V |
Low level input threshold |
≤ 0.5 V |
Pull-up resistor |
100 kΩ |
Pulse length |
≥100 ms |
Maximum frequency |
≤ 5 Hz |
Pulse inputs |
According to EN1434-2, section 7.1.5 (Classification of pulse input devices Class IB)* |
Battery life time |
16+1 year |
© Danfoss | 2021.07 |
AI191586476414en-011003 | 3 |
Data sheet |
SonoSelect 10 and SonoSafe 10 energy meters |
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Communication modules (continuous)
*Default setting. Can be changed via SonoApp
Note! Default setting can be changed via SonoApp
2 pulse output module
Once installed the meter will display the icon for wired communication in loop 2 of the display.
Pulse 1 (energy*) |
+ terminal 16, - terminal 17 |
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Pulse 2 (volume*) |
+ terminal 18, - terminal 19 |
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Pulse value* |
Unit follow the display. Scaling follow least significant digit of the display (default |
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setting can be changed via SonoApp) |
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Pulse timing |
Updates every 15 seconds |
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Polarity reversal: |
Not possible, but can withstand -30V, max 27 mA without damage |
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Pulse length |
≥100 ms |
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Pulse Pause: |
≥100 ms |
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Voltage supply |
3-30 V |
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Source current |
≤ 27 mA |
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“ON” condition |
U<2,0 @ 27 mA |
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“OFF” condition |
R>=6 MΩ |
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Maximum frequency |
≤ 5 Hz |
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Pulse outputs |
According to EN1434-2, section 8.2.3 |
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(Classification of pulse output devices Class OB) |
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Battery life time |
16+1 year |
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Cable length |
Max 25 m |
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E32 is activated in meter if: |
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Alarms |
1) Module battery is empty |
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2) When no. of delayed pulses exceeds 5000 (incorrect scaling) |
Data telegram
Wired M-bus |
Wireless M-bus (OMS) |
Wireless M-Bus (Walk -by) |
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Standard telegram |
Standard telegram fixed network |
Standard telegram Walk by |
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(16 seconds if main powered): |
(15 minutes sending interval, 16 |
(2 minutes sending interval, 16 |
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• Accumulated Energy (heat and |
seconds if mains powered): |
seconds if mains powered): |
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cooling for bifunctional) |
• Accumulated Energy (heat and |
• Accumulated Energy (heat and |
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• Accumulated Volume (heat and |
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cooling for bifunctional) |
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cooling for bifunctional) |
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cooling for bifunctional) |
• Accumulated Volume (heat and |
• Accumulated Volume (heat and |
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Current flow |
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cooling for bifunctional) |
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cooling for bifunctional) |
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Current power |
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Current flow |
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Current Time |
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Supply temperature |
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Current power |
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Hour counter factory |
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Return temperature |
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Supply Temperature |
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Month log 1 (last month log) |
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Difference temperature |
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Return Temperature |
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Enclosure temperature |
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Current Time |
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Current time |
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Hour counter factory |
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• Hour counter OK |
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Bifunctional meters |
Bifunctional meters are for combined heating and cooling applications. Θhc default value is |
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30 °C it can be configured with SonoApp. Bifunctional energy meters available only in approved |
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meteorological range 5-95 °C. |
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θInlet |
θhc
-ΔΘ
<![if ! IE]><![endif]>ΔΘmin
<![endif]>ΔΘhc
0 hc ΔΘ
<![endif]>ΔΘmin
Key
θhc |
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No energy accumulation |
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Heating |
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+ΔΘ |
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Cooling |
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Θhc = Θcuto = 0.25K
ΔΘhc = ΔΘcutoff = 0.25K
4 | AI191586476414en-011003 |
© Danfoss | 2021.07 |
Data sheet |
SonoSelect 10 and SonoSafe 10 energy meters |
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Application drawings
Heat meters have red temp sensor in supply pipe and all cooling meters have blue temp sensor in supply pipe
Supply
Return
Accuracy
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5.5 |
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Flow sensor error |
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5.0 |
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4.5 |
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4.0 |
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3.5 |
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3.0 |
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2.5 |
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2.0 |
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1.5 |
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<![if ! IE]> <![endif]>[%] |
1.0 |
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0.5 |
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<![if ! IE]> <![endif]>Error |
0.0 |
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-0.5 |
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-1.0 |
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-1.5 |
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-2.0 |
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-2.5 |
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-3.0 |
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-3.5 |
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-4.0 |
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-4.5 |
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EN1434 Class 2' |
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Production accuracy limits @ 50° C |
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-5.0 |
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-5.5 |
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0 |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
Flow rate [%]
Note: In accordance with EN 1434.
© Danfoss | 2021.07 |
AI191586476414en-011003 | 5 |