Malema Markets

Wherever safe, accurate, and repeatable flow control and measurement are required, you can find Malema solutions.

For over 40 years, Malema flow meters, flow controllers, flow switches, relief valves and pressure sensors have been utilized across various demanding applications. They offer high-purity performance in semiconductor production, safety in dangerous industrial environments and precision in hydrogen transportation applications.

Click on the markets below to learn which Malema flow control and measurement solutions can help you achieve your desired results.

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M-1500MB ULTRASONIC FLOW METER High Purity Ultrasonic Flow Meter with Remote Electronics and Inline Flow

The Malema Sensors® M-1500MB Series Inline Ultrasonic Flow Meter consists of a compact flow sensor and remote electronics. The M-1500MB Inline Ultrasonic Flow Meter utilizes the latest digital signal processing (DSP) technology and provides flow measuring solutions with minimum compromise in performance. The M-1500MB Series Inline Ultrasonic Flow Meter is an ideal choice for use in the industries where minimal footprint, high purity and corrosion resistant wetted parts are required.


  • Minute flow measurements down to 4 ml/min
  • Compact Sensor and Electronics
  • Straight flow path
  • All wetted parts made of PFA
  • Free from ion or particle contamination
  • No Dead Legs
  • No Obstructions
  • No Moving Parts in the flow path
  • Corrosion resistant


  • Medical devices
  • Wet process / Chemical distribution systems
  • CMP, ECD, Electroless Deposition, Wet Clean and Track tools in semiconductor manufacturing
  • Solar PV equipment
  • Laser equipment
  • Cooling systems


Product Specifications

Sensor Configuration Straight Flow Through Sensor
Accuracy ± 2%
Tube Outer Diameter 1/8"
Fluid Type Liquids
Repeatability ± 1% of flow reading, down to 10% of full scale
Temperature Ambient: 0 - 46°C | Fluid: 10 - 60°C
Operating Pressure 70 psig (max.)
Flow Range 4 - 600 ml/min

Sensor Material Specifications

Housing (Size 10 / 15 / 20)
  • PTFE
Wetted Parts, Body / Tube
  • PFA / PFA
End Cap (Size 04 / 06)
  • PP
Cable Fitting
  • PP
Cable Jacket
  • PVC