Large size flow meter for commercial applications
Sono 3500 CT™ is an ultrasonic flow sensor designed for heating, cooling, or combined heat/cool applications in larger-sized local and district energy systems. Combined with a type-approved heating/cooling energy calculator (e.g. InfoCal™ 9) it offers energy metering capabilities in larger applications.
The sensor is MID Class II certified.
Technical data
- Size | Flow: DN100 – DN1200 | Qp 60 - 9000 m3/h
- Temperature | Pressure: Compact: 2-120°C / Remote: 2-200°C | PN16/25/40
- Types: Flow meter (heat, cool and combined). Compact or remote version
- Approvals: MID class II B+D (heating)
- Flow sensor cable length: 5.0m | 10.0m | 20.0m | 30.0m
- Flow measurement: Bi-directional
- Protection class: IP65
- Communication: 2 Pulse outputs
- Optical interface: IRDA with Modbus RTU protocol
- Power:
- 115 / 230 V AC with 3.6V single backup battery
- 3.6V battery with dual 3.6V
backup battery
Features and benefits
-
For high and very high temperatures applications
-
Remote version for very high temperature
applications enhances the meter lifetime
and lowers replacement costs -
No pressure loss reduces pump power
and energy used for circulation
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Brochure | Energy metering solutions - Product overview 2024 | English | Multiple | 16 Jan, 2025 | 1.6 MB | |
| Export Control Declaration | Energy meters | English | Multiple | 04 Nov, 2025 | 207.3 KB | |
| Quality Assurance Certificate | FORCE 0200 - PED - 15369-1 | English | Multiple | 31 Oct, 2025 | 334.5 KB | |
| Brochure | Precision and reliability through advanced ultrasonic technology 4-pager | English | Multiple | 11 Apr, 2019 | 560.5 KB | |
| Data sheet | SONO 3500 CT | English | Multiple | 29 Apr, 2021 | 1.4 MB | |
| Tender text | SONO 3500CT | English | United Kingdom | 08 Jun, 2019 | 226.2 KB | |
| Operating guide | Ultrasonic Flowmeter SONO 3500 CT | English | Multiple | 24 Nov, 2020 | 3.8 MB |