Heinrichs KDS-R Variable Area Flow Meter

Flow measuring of liquids and gas can be used in the chemical industry or in medical or laboratory engineering.
This Heinrichs KDS-R model is precision, reliability, and efficiency. Heinrichs KDS-R Variable Area Flow Meter are the remarkable features of this device.
This model Robust mechanical system with a low rate of wear. The KDS meter is suitable for flow measurement of liquid or gaseous products in pipes. It shows the current flow rate in volume or mass per unit in time


  • Flow control of liquids and gases in pipelines.
  • KDS-R.N or fluctuating inlet pressure
  • KDS-R.V for fluctuating outlet pressure

Approvals and certificates

Explosion protection:

Gas PTB 00 ATEX 2048 X
Ignition category: II 2G EEx ia IIC T6-T4
Dust ZELM 03 ATEX 0128 X
Ignition category: II 1D Ex iaD 20 T…°C

Another Article:

Technical Data

Application conditions: for thin liquid products with sufficient flowability, which are free of particles,
not crystalizing, not adhesive, and do not tend to depositions.
Measuring ranges: Water:  0,1-1 l/h …20-100 l/h
Air: 5-50 Nl/h …300-3000 Nl/h
Regulating range: KDS-R V/N : 10-100%
Liquid/Gas ± 3%qG 50 acc. VDE/VDI 3513
regulating accuracy ± 5% full scale
Process connections: Material:  stainless steel
Process connection: 1/4″ NPT (F)
Pressure rating: PN 16 (PN 25 on request)
Process temperature: -40°C up to +130°C (w/o limit switches)
-25°C up to +100°C (c/w electrical output)
Ambient temperature: -25°C bis +70°C
Output signal: Ingress protection: IP65 (EN60529)
inductive limit switches
inductive limit switches (safety technology)
Analog output 4-20 mA ; 2-wire

Download Catalog: datasheet kds-r Variable Area Flow Meter

Ref: Heinrichs.com

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