Bronkhorst
MASS FLOW METERS / CONTROLLERS FOR LIQUID - LIQUI-FLOW™ series

LIQUI-FLOW™ 液體熱式質量流量計/控制器

低流量的通流式液體流量測量

用於低流量範圍的 LIQUI-FLOW™ 數字液體流量計/控制器基於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 20 ... 1000 g/h 適用於熱特性類似於 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)
L13  |  5 ... 100 g/h L13V12  |  5 ... 100 g/h
L23  |  100 ... 1000 g/h L23V12  |  100 ... 1000 g/h

Features

  • Fast and accurate measurement
  • No moving parts
  • Thru-Flow measurement
  • Suitable for liquids with low boiling point
  • Attitude insensitive
  • Very small internal volume
  • In combination with a control valve: continuous and stable control
  • 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

Flow control is achieved by integrating a control valve onto the body of the Liquid Flow Meter. This control valve has a purge connection to eliminate air or gas during start-up. The electronic control function forms part of the normal circuitry in the meter.

Note:
For ultra low flow ranges, Bronkhorst offers the µ-FLOW series. Ranges: 1,5 ... 30 mg/h up to 0,1 ... 2 g/h IPA- or H2O-equivalent.

Downloads

Brochures
LIQUI-FLOW brochure

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

Hook-up diagrams
Analog IO - RS232
DeviceNet
EtherCAT
FLOW-BUS
Modbus RTU/ASCII
PROFIBUS DP
PROFINET
CANopen
EtherNet/IP
Modbus-TCP
POWERLINK
Optional Bus and IO Configurations
MASS-STREAM Waste water application

Applications

  • Semiconductor industry
  • Pharmaceutical industry
  • Food industry (flavors, additives)
  • Biotechnical industry
  • Analytical laboratories
  • HPLC-applications
 

Application story


台灣柏朗豪斯特股份有限公司

新竹縣竹北市台元街三十八號四樓之一、二
Rm. 1 & 2, 4F., No.38, Taiyuan St., Zhubei City, Hsinchu County 302, Taiwan (R.O.C.)
電話 +886 3-5600-518
[email protected]

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