Low-Flow Vortex Flowmeter for Liquids

  • 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
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Vortex flow meters with local display for monitoring low viscosity, water-like liquids

LIQUI-VIEW Base instruments are cost-effective Vortex flow meters for monitoring the flow or consumption of cleansing water, cooling water or spa water, operating on the vortex principle. The unique sensor body and IP65 protected transmitter design makes LIQUI-VIEW Base one of the most compact, lightweight vortex meters in the industry. The flow meters do not contain any moving parts, create just a low pressure drop and can be mounted in any position, requiring no straight inlet or outlet runs.

LIQUI-VIEW Base model LVB-08-AD has a nominal size of DN8 for flow rates of 0,9…15 l/min and is suited for operating pressures up to 12 bar(a). The instrument provides an analog output signal (4-20 mA) proportional to the flow and has a tilting display for local flow indication.

Technical specifications

Measurement / control system
Flow rates0,9 … 15 l/min
Volume flow accuracyat ≥ 50% FS : < 2% RD;
at < 50% FS : < 1% FS
Turndown ratioapprox. 1:20 (5…100%)
Operating pressuremax. 12 bar(a) at +40°C (for lifetime)
max. 6 bar(a) at +85°C (for lifetime)
MediaWater and water-like liquids (cooling, heating, well, waste, pure, drinking and tap water)
Ambient temperature-20 … +50 °C
Operating temperature< 85 °C
MountingAny position, attitude insensitive
Pressure drop(85 * Q2) / 100 (mbar)1)
Mechanical parts
Material (wetted parts)Body: PA6T/6I (40% GF)
Sensor paddle: ETFE
Test pressure18 bar(a) at +40°C
Process connectionsG1/2
Ingress protectionIP65
Electrical properties
Power supply10 … 30 Vdc
Current consumption< 50 mA
Output4 … 20 mA
Load< (Uin - 10V) / 20 mA
Electrical connection
Connection typeM12 x 1
Control valve options
External actuator options to be connected to the controller
Certification for hazardous areas
Approvals / certificates
Drinking waterKTW / W270
Environmental / EMCEN 61326-2-3

Technical specifications subject to change without notice.

1)  Q = flow rate in l/min

For dimensional drawings and hook-up diagrams please visit the product page on our website


LIQUI-VIEW Base brochure


1 Kings Court
Willie Snaith Road
Newmarket Suffolk CB8 7TG
Tel. +44 1223 833222
[email protected]

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