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INDUSTRIAL STYLE LIQUID MASS FLOW METERS / CONTROLLERS - LIQUI-FLOW™ series

LIQUI-FLOW™ Industrial Style液體質量流量計/控制器

防風雨 (IP65) 和堅固設計

用於低流量範圍的 LIQUI-FLOW™ 系列 L10I/L20I 數字液體流量計/控制器配備堅固的“工業風格”(IP65) 印刷電路板外殼,適用於工業環境,根據熱通流測量原理運行。 這些儀器配有數字印刷電路板,具有自診斷、報警和計數器功能、數字通信 (RS232) 和各種現場總線選項。

  • 最低範圍 0.25 ... 5 g/h
  • 最高範圍 0,02 ... 1 kg/h 對於熱特性類似於 H2O 的流體
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E-book: How to handle low liquid flows

Focusing on low liquid flows < 100 g/h

Download the e-book 'How to handle low liquid flows' to find out more about 'low flows'. Including in-depth information, technical advice and insider tips from our experts.

Download e-book

Quick link to Mass Flow Meter / Controller model pages

Full Scale capacities (based on H2O) versus Pressure Rating

PN 100 bar (Mass Flow Meter) PN 100 bar (Mass Flow Controller)
L13I  |  5 ... 100 g/h L13I-C2I  |  5 ... 100 g/h
L23I  |  100 ... 1000 g/h L23I-C2I  |  100 ... 1000 g/h

Features

  • Fast and accurate measurement
  • No moving parts
  • Suitable for liquids with low boiling point
  • Attitude insensitive
  • Very small internal volume
  • In combination with a control valve: continuous and stable control
  • Protection class IP65
  • Analog I/O-signals, RS232-connection; optional on-board fieldbus interface

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Liquid Flow Meters / Controllers

Liquid Flow Meters

Liquid mass flow meters of the LIQUI-FLOW™ series are built around a stainless steel tube without any moving parts or obstructions. The heater/sensor assembly is arranged around the tube and, by following the anemometric principle, a constant difference in temperature (ΔT) is created and the energy required to maintain the ΔT is dependent on the mass flow rate. Due to the benefits of the unique sensor, the fluid will be warmed to a maximum of 5°C, thereby making the LIQUI-FLOW™ Series suitable for fluids with low boiling points.

Liquid Flow Controllers

The industrial style liquid flow meter can be connected to an industrial style (IP65) control valve to form a closed control loop. The standard direct acting valve (model C2I) is normally closed, has a pressure capability of 100 bar (1500 psi) and a purge connection for easy elimination of air or gas.

Downloads

Brochures
LIQUI-FLOW brochure

Manuals
Manual LIQUI-FLOW incl u-FLOW
Quick Start Guide LIQUI-FLOW Industrial

Hook-up diagrams
Analog IO - RS232
DeviceNet
FLOW-BUS
Modbus RTU/ASCII
PROFIBUS DP
Industrial Ethernet (EtherCAT, EtherNet/IP, Modbus-TCP, POWERLINK, PROFINET)
CANopen
Optional Bus and IO Configurations

Certificates
ATEX: KEMA 10ATEX0111X
LIQUI-FLOW Industrial application

Applications

  • (Petro-)chemical installations
  • Pharmaceutical industry
  • Food industry (flavors, additives)
  • Biotechnical industry
 

Application story


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