SSU25-3.5-CR-PO Compact ultrasonic energy meters
Externally threaded, compact energy meters with built-in ultrasonic flow meter, intended for heating or cooling. We offer many different options, see the product sheet for more information.
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Specifications
Nominal diameter | DN25 |
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Flow, Qp | 3.5 m³/h |
Type of measurement | Cooling |
Communication interface | Pulse output for energy |
Length of flow meter | 150 mm |
Thread on meter body | G1 1/4" |
Media | Water only |
Power Supply | Exchangeable 3 V lithium battery, estimated lifetime 10 years. 24 V or 230 V power pack available as accessory. |
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Protection class | IP65 |
Ambient humidity (non-condensing) | 5…95 % RH |
Ambient temp | 5…55 °C |
Storage temp | 1…60 °C |
Temperature range cooling | 0...50 °C |
Temperature range heating | 15...90 °C |
Temperature resolution | 0.01 °C |
Measurement cycle, temperature | 2...60 s |
Measurement cycle, flow | 2 s |
Interfaces | M-Bus, pulse output or M-Bus with 3 pulse inputs |
Display | LCD, 8 digits + special characters |
Display units | MWh, kW, GJ, m 3 , m 3 /h (kWh, GJ, l , l/h, MW, MMBTU, Gcal), 3 decimal places. The unit for energy consumption can only be set while the energy consumption is ≤ 10 kWh. |
Mechanical class | Class M1 (MID: 31.03.2004 annex I) |
EMC | Class E1 (MID: 31.03.2004 annex I) |
Cable length calculator | 85 cm |
Cable length temperature sensor | 1.5 m (the other temperature sensor is integrated into the flow meter) |
Diameter temperature sensor | 5 mm |
Temperature sensor installation | Direct (see the accessories section) or indirect in a temperature sensor pocket per EN1434 |
Temperature sensor requirements, heat meter | EU (MID) identification on the temperature sensors |
Temperature sensor requirements, cooling meter | National German approval as a temperature sensor for cooling meters. Requirements in other countries may be different |
Flow meter mounting position | Horizontal or vertical |
Flow meter, point of installation | Return flow (if forward flow installation is needed, the installation position can be changed with the main button) |
Flow meter temperature range | 15…90 °C |
Measuring principle | Ultrasonic, time-of-flight |
Accuracy according to MID | Class 2 |
Software & documentation
Product sheet
Instructions
Other documentation
Accessories
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Brass threaded fitting with coupling ring and gasket
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Brass threaded fitting with coupling ring and gasket
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Brass threaded fitting with coupling ring and gasket
![](/globalassets/pimmediafiles/images/vsr-2.jpg?v=637980824330000000&preset=itemlistmedium)
Brass threaded fitting with coupling ring and gasket
![](/globalassets/pimmediafiles/images/kh.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with coupling ring and gasket
![](/globalassets/pimmediafiles/images/kh.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with coupling ring and gasket
![](/globalassets/pimmediafiles/images/kh.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with coupling ring and gasket
![](/globalassets/pimmediafiles/images/kh.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with coupling ring and gasket
![](/globalassets/pimmediafiles/images/kh-s.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with installation point for a temperature sensor (sockets M10x1)
![](/globalassets/pimmediafiles/images/kh-s.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with installation point for a temperature sensor (sockets M10x1)
![](/globalassets/pimmediafiles/images/kh-s.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with installation point for a temperature sensor (sockets M10x1)
![](/globalassets/pimmediafiles/images/kh-s.jpg?v=637980824340000000&preset=itemlistmedium)
Ball valve with installation point for a temperature sensor (sockets M10x1)
![](/globalassets/pimmediafiles/images/vad.jpg?v=637980824350000000&preset=itemlistmedium)
Supply flow adapter with gasket, for direct mounting of a temperature sensor in a T-piece
![](/globalassets/pimmediafiles/images/vad.jpg?v=637980824350000000&preset=itemlistmedium)
Supply flow adapter with gasket, for direct mounting of a temperature sensor in a T-piece
![](/globalassets/pimmediafiles/images/ps.jpg?v=637980824350000000&preset=itemlistmedium)
Threaded fit
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Threaded fit
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Optocoupler with USB interface
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Software device monitor
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230 V power pack
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24 V AC power pack
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Battery for SSU and SSCU