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Microwave level transmitter WMF21/WMF27

The devices of the MOLOSwave series for continuous level measurement are working with the Time Domain Reflectometry (TDR) measurement principle. They are specifically designed for the use in bulk goods. During the measurement high frequency microwave pulses with low energy are coupled onto the probe and guided along this probe to the bulk goods. The product surface partly reflects these pulses. The electronic detects the reflected pulses and calculates the actual filling level from the time difference of the transmitted and received signals. These filling levels are made available as a 4-20 mA signal for further signal processing. This signal can be visualized with easy to use and well legible indicating units that are mounted in a switch cabinet.

Product features

  • Use in dust explosive areas with ATEX zone 20/21 possible
  • Measuring range MWF 21 with rod probe up to 3 m
  • Measuring range MWF 27 with cable probe up to 20 m
  • High measurement accuracy
  • Highest level of functional safety through the use of 4- wire technology
  • Independent of bulk solids features
  • Insensitive against dust, buildup and condensation
  • Very good price-performance-ratio
  • Wear and maintenance-free operation
  • High tolerance of interfering signals
  • Different probes available
  • Different process connections (threads, flanges, Tri-Clamp, …)
  • Housing made of Aluminium or stainless steel

Technical data:

Supply voltage: 12 … 30 V DC input non-polar

Measuring range: 1,0 … 20,0 m cable or 0,1 … 3,0 m rod
Signal output: 4 … 20 mA 0 … 100 %
Switch DC PNP NC or NO optinal
Process temperature: -20 °C … +150 °C
 
Dielectric constant: DK-value > 1.8
 
Ambient temperature: -20 °C … +70 °C
Process pressure:-1 bar … 40 bar
 
ATEX-Approval: DustEx
 
Process connection: Threads, flanges, clamp, … Aluminium or stainless steel
Maximum tensile load: 10 kN
 

Material:

Housing IP66: Aluminium or stainless steel

Cable: Stainless steel 1.4401
 
Rod: Stainless steel 1.4571

 

Mounting position: vertical from the top

Maintenance: non

 

 
Microwave level transmitter WMF21/WMF27

ADD FILES

MOLLET

Mikrofalowy przetwornik poziomu MWF21/MWF27

LEVEL SENSORS

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