FlowStar U ultrasonic flow sensor
High-precision ultrasonic flow sensor designed for large diameter applications from DN 50 to DN 300. FlowStar U employs dual-channel ultrasonic measurement technology to deliver exceptional accuracy in demanding environments. Constructed with stainless steel body and aluminum housing, it offers reliable flow measurement across a wide temperature range of 1-130°C with up to 12 years battery life.
Key Features and Benefits:
- Dual-channel ultrasonic measurement for superior accuracy and reliability.
- Large diameter coverage DN 50 - DN 300 for industrial and commercial applications.
- Extended temperature range (1-130°C) suitable for various heating and cooling systems.
- Stainless steel body with flange couplings for maximum durability.
- Flexible mounting in any position (horizontal, vertical, overhead installation).
- 10-meter connection cable with Class 2 MID accuracy certification.
- Battery life up to 12 years with external power supply option (5-24V DC).
- Ideal extension for compact meters when combined with SensoStar C calculator.
Technical Specifications
Flow Measurement
Measurement Method:Ultrasonic; dual-channel
Accuracy Class:Class 2
Mechanical Class:M2 - EN
Electromagnetic Class:E2 - EN
Sizes Available:DN 50 - DN 300
Nominal Flow Range:Qp 15 - Qp 600 m³/h
Mounting Position:Any position
Protection Class:IP68
Temperature and Environment
Medium Temperature Range:1 - 130°C (150°C within 2000 hours)
Ambient Temperature:5 - 55°C
Storage/Transport Temp:-25 - 55°C
Max Installation Height:2000m above sea level
Medium:Water
Installation Type:Return flow / forward flow
Calming Section:U3D
Power and Communication
Battery Supply:3V lithium battery
External Power:5 - 24V DC
Battery Lifetime:Up to 12 years
Connection Cable:10m length
Pulse Output:According to EN 1434
Pulse Output Class:Open collector (OC)
Max Input Current:25mA
Max Input Voltage:12V DC
Construction and Materials
Body Material:Stainless steel
Housing Material:Aluminum
Connection Type:Flange couplings
Maximum Pressure:PN 16 bar
Approvals:DE-18-MI004-PTB018, CE
Installation Configuration:Consider calculator configuration