LVB-20-A Liquid flow meter [5.0 .. 85 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
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| Model | Min | Max |
|---|---|---|
| LVB-20-A | 5.0 l/min | 85 l/min |
Features of LVB-20-A Liquid flow meter [5.0 .. 85 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
5.0 ..
85
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
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] = 5.313 x (I (mA) - 4 mA)
Drinking water approval
KTW / W270 / WRAS / ACS
EMC
EN 61326-2-3
Electrical connection
M12 x 1
Brochures
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