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Multiple Flow Meter (for Precision Measurement for Laboratory)

Model RK 140X Series

This multiple flow meter is made by combining several types of flow meter for control of various flows in a laboratory. It is designed based on the RK1400, a high-precision flow meter with high performance. It is recommended to install one unit to facilitate flow measurement in the laboratory


  • Multiple measuremens of two to four flow meters
    Two to four flow meters can be attached to one unit to permit control of carious gases in various flow ranges

  • Various flow ranges
    The flow meter can measure a variety of flows ranging from the very small flow of full- scale 5 ML/MIN to 20 L/MIN

  • High-precision measurement
    This flow meter is provided with a flow meter tube equivalent to that of the precision flow meter RK1400, permitting high-precision measurement at ±2% F.S

  • Stand convenient for measurement
    The model has a stand with a level adjuster for convinient use in a laboratary.

  • For measurement of multiple components
  • For measurement of multiple ranges
  • Flow checker in laboratories


Standard Specifications

Fuilds   Air, N2, O2, H2, He, Ar, CO2 (Calibration with actual gas)
For other gases, please consult us regarding conversion conditions or calibration with the actual gas to be used. 
Flow Range  From 0.5-5ML/MIN to 2.-20 L/MIN
(Refer to the Capacity Table on page 65.)
*Option: 0.5 - 3 ML/MIN  
Accuracy  FS ±2% (Measurement point)
*Optional: FS ±1% (Measurement point) 
Proof pressure  0.5MPa 
Material SS  BS 
Body block  SUS316 Brass 
Tapered tube  Pyrex®
Packing  FKM - Option (1)  NBR 
Float  Pyrex SUS316
Protective cover  Acrylic resin 
Temperature resistance  MAX60°C 
Connection  Rc 1/4 (Standard), RC 1/8 (Optional) 
* Option (1): Fluorocarbon resin, Kalrez, Perfluoro, etc.



Plants: image 1 Note: Specify the flow rates in increasing order form the left, as many as the number of glass tubes for (4), (5), and (7).
* Refer to "Ordering" and "Illustative example" when placing an order or requesting a quotation. Fill in the blanks in the "Order/Quotation Request Card" at the end of he catalog, and send the card by fax.
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