LVB-25-A Liquid flow meter [9.0 .. 150 l/min]
                            
                    Low-Flow Vortex Flowmeter for Liquids
- Fast response
- Analog output (4-20 mA)
- Compact, light-weight, cost-effective construction
- No moving parts; maintenance free
- Low pressure drop
- IP65 construction
| Model | Min | Max | 
|---|---|---|
| LVB-25-A | 9.0 l/min | 150 l/min | 
Features of LVB-25-A Liquid flow meter [9.0 .. 150 l/min]
- Makes liquid flows visible by Analog output (4..20 mA)
- No moving parts makes it:
 - impervious to deposits
 - maintenance free
- Low pressure drop
- Mounting in any position
- Wide flow ranges
- Fast response
- Suitable for dirty water (circulating, well or waste water)
- Sustainable product design
 - Low power consumption
 - Lightweight and compact
Technical specifications
Measurement / control system
Flow range 
                
                    
                    9.0 ..
                    150
                    l/min
                    
                
            Accuracy
                
                    
                    
                    
                    
                    at >=50%FS <2%RD
at <50%FS <1%FS
            at <50%FS <1%FS
Operating pressure
                
                    
                    
                    
                    
                    (for lifetime) 12 bar(a) at +40°C
(for lifetime) 6 bar(a) at +100°C
(for 600 hours) 4 bar(a) at +125°C
(for 2 hours) 4 bar(a) at +140°C
            (for lifetime) 6 bar(a) at +100°C
(for 600 hours) 4 bar(a) at +125°C
(for 2 hours) 4 bar(a) at +140°C
Medium
                
                    
                    
                    
                    
                    Water and water like liquids.
(cooling, well, waste, pure, drinking, heating and tap water)
This product is NOT compatible with flammable, corrosive or toxic liquids.
            (cooling, well, waste, pure, drinking, heating and tap water)
This product is NOT compatible with flammable, corrosive or toxic liquids.
Medium Temperature
                
                    
                    
                    
                    
                    <+125°C
                
            Rangeability
                
                    
                    
                    
                    
                    Up to 1:20
                
            Response time (sensor)
                
                    
                    
                    
                    
                    Signal delay: < 2 s 
Response time: < 500 ms
            Response time: < 500 ms
Operating temperature
                
                    
                    
                    
                    
                    Ambient: -15 ... +85ºC 
Storage: -30 ... +85ºC
            Storage: -30 ... +85ºC
Mechanical parts
Material (wetted parts)
                
                    
                    
                    
                    
                    Body: PA6T/6I (40% GF)
Sensor paddle: ETFE
Seals: EPDM
            Sensor paddle: ETFE
Seals: EPDM
Test pressure
                
                    
                    
                    
                    
                    18 bar(a) at +40°C
                
            Process connections
                
                    
                    
                    
                    
                    G1 1⁄4 
                
            Weight
                
                    
                    0.10
                    
                    kg
                    
                
            Ingress protection
                
                    
                    
                    
                    
                    IP65
                
            Electrical properties
Power supply
                
                    
                    
                    
                    
                    8..33Vdc
                
            Load
                
                    
                    
                    
                    
                    <(Uin-8V) / 20mA
                
            Electrical protection measures
                
                    
                    
                    
                    
                    Short circuit, reverse voltage and external voltage protected within the admissible supply voltage
                
            Output
                
                    
                    
                    
                    
                    4..20mA | Flow calculations Q [l/min] = 9.375 x (I (mA) - 4 mA)
                
            Drinking water approval
                
                    
                    
                    
                    
                    KTW / W270 / WRAS / ACS
                
            EMC
                
                    
                    
                    
                    
                    EN 61326-2-3
                
            Electrical connection
                
                    
                    
                    
                    
                    M12 x 1
                
            Downloads
Brochures
Manuals
Declaration of Conformity
Stepfile
Applications
The fields of application for this vortex liquid flow meter are diverse:
- Cooling water monitor
- Deionized water (RO/DI skids)
- Ultra pure water distribution (medicare, biotech, semiconductor, pharmaceutical)
- Drinking water
Frequently Asked Questions
- Analog 4..20 mA Flow Calculations LIQUI-VIEW
- Can the LIQUI-VIEW be used in the vertical position?
- What is the amplitude of the square wave pulse output?
- What happens during measurement with a vortex meter when the tube vibrates?
- Which liquids can be measured with LIQUI-VIEW Base?
- Vortex technology, how does it work?
More questions on our FAQ page
![LVB-25-A Liquid flow meter [9.0 .. 150 l/min]](https://www.massflow-online.com/getattachment/94cf21fe-3c1a-4d1f-af1a-c1169f895990/LVB-Side.jpg?maxsidesize=580&hash=EqI%2b92h2TUe8suacLSWINNfH547gabufP%2f%2f7m%2bV4bUk%3d) 
                                                ![LVB-25-A Liquid flow meter [9.0 .. 150 l/min]](https://www.massflow-online.com/getattachment/7c69e3d4-593f-41d6-a154-2576895305a9/LVB-Top.jpg?maxsidesize=580&hash=EqI%2b92h2TUe8suacLSWINNfH547gabufP%2f%2f7m%2bV4bUk%3d) 
                                                ![LVB-25-A Liquid flow meter [9.0 .. 150 l/min]](https://www.massflow-online.com/getattachment/94cf21fe-3c1a-4d1f-af1a-c1169f895990/LVB-Side.jpg?maxsidesize=90&hash=NqQb6bpL0ayLPvVJaRjgWGPkH92mr7VPqyPbENoB0JU%3d)
![LVB-25-A Liquid flow meter [9.0 .. 150 l/min]](https://www.massflow-online.com/getattachment/7c69e3d4-593f-41d6-a154-2576895305a9/LVB-Top.jpg?maxsidesize=90&hash=NqQb6bpL0ayLPvVJaRjgWGPkH92mr7VPqyPbENoB0JU%3d)
 
                        