LVB-20-AD Liquid flow meter [5.0 .. 85 l/min]
Low-Flow Vortex Flowmeter for Liquids
Our LIQUI-VIEW AD models, will be available only while supplies last.
Recent component sourcing challenges mean we cannot produce these models any more.
Rest assured, we have stocked up, so place your order quickly.
- Fast response
- Local display, analog output (4-20 mA)
- Compact, light-weight, cost-effective construction
- No moving parts; maintenance free
- Low pressure drop
- IP65 construction
Our LIQUI-VIEW AD models, will be available only while supplies last.
Recent component sourcing challenges mean we cannot produce these models any more.
Rest assured, we have stocked up, so place your order quickly.
| Model | Min | Max |
|---|---|---|
| LVB-20-AD | 5.0 l/min | 85 l/min |
Features of LVB-20-AD Liquid flow meter [5.0 .. 85 l/min]
- Display features:
- Local readout of actual flow rate
- Tilting display (180°)
- Bright, wide-angle and easy-to-read display - 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 +85°C
(for lifetime) 6 bar(a) at +85°C
Nominal diameter
DN20
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
<+85°C
Rangeability
Up to 1:20
Response time (sensor)
Signal delay: < 2 s
Response time: < 500 ms
Display update rate: < 500 ms
Response time: < 500 ms
Display update rate: < 500 ms
Operating temperature
Ambient: -20 ... +50°C
Storage: -30 ... +80°C
Storage: -30 ... +80°C
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
10..30Vdc
Load
<(Uin-10V) / 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
EMC
EN 61326-2-3
Electrical connection
M12 x 1
Product details
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?
- Does the LIQUI-VIEW-AD also work without a display? Are they interchangeable?
- 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