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Products MMF

MMF is a German brand specializing in vibration sensors and vibration measurement instruments, with many years of experience in developing solutions for vibration measurement, calibration, and machine condition monitoring. At DEWE VIETNAM, we provide genuine MMF products to meet a wide range of needs in measuring acceleration, vibration velocity, vibration displacement, and monitoring equipment operating conditions in both industrial environments and test laboratories.

The MMF product portfolio includes vibration sensors, handheld vibration meters, signal conditioning units, vibration calibration devices, and machine monitoring solutions. These products are designed to support both standalone measurement tasks and integration into data acquisition systems for predictive maintenance, continuous monitoring, and stability evaluation of rotating equipment, motors, pumps, fans, gearboxes, and other critical industrial machinery.

With strong expertise in piezoelectric vibration sensor technology and a dedicated ecosystem of measurement instruments, MMF is a suitable choice for vibration measurement, machine monitoring, condition monitoring, and vibration testing applications in manufacturing. MMF solutions are well suited for various industries such as manufacturing, energy, plant maintenance, engineering research, equipment testing, and measurement systems that require high reliability, stable operation, and easy integration with modern DAQ platforms.

 

 

Products
VM31 Vibration Meter for Human and Machine Vibration
VM31 Vibration Meter for Human and Machine Vibration

VM31 is a versatile handheld vibration meter from MMF for product development, occupational health and safety assessment, and field vibration monitoring. It supports hand-arm vibration, whole-body vibration, SEAT evaluation, ship vibration, three-axis machine condition monitoring, and vehicle vibration measurements.

Applications:

  • Hand-transmitted vibration measurement according to ISO 5349.
  • Whole-body vibration measurement according to ISO 2631.
  • SEAT evaluation according to ISO 10326.
  • Passenger and merchant ship vibration measurement.
  • Condition monitoring of rotating machines in three axes.
  • Vehicle and structural vibration measurement.

Supported standards: ISO 8041; ISO 2631; ISO 5349; ISO 10326; ISO 20816; ISO 20238-5; ISO 28927; ISO/TR 18570; 2002/44/EC.

Key features:

  • Four independent measuring channels.
  • ISO 8041 weighting filters: Wh for hand-arm vibration and Wb, Wc, Wd, Wj, Wk, Wm for whole-body vibration.
  • Interval and running RMS, maximum RMS (MTVV), vibration dose value (VDV), vector sum, peak and max peak.
  • Measurement of vibration acceleration, velocity, and displacement.
  • 125-line FFT acceleration analysis.
  • TEDS sensor detection.
  • Memory for 10,000 measurements and 1,000 FFTs with date/time and comments.
  • USB interface with Excel macro for data transfer and A(8) exposure calculation.
  • Color OLED display and compact design.
  • About 10 hours operating time with 3 AAA batteries.
VM30W Vibration Meter for Wind Turbines
VM30W Vibration Meter for Wind Turbines

VM30W is a dedicated handheld vibration meter for evaluating mechanical vibrations of geared onshore wind turbines up to 3 MW according to VDI 3834-1. It enables field engineers to inspect the most critical turbine locations using one meter and one sensor.

Applications:

  • Mechanical vibration assessment of onshore wind turbines with gearboxes up to 3 MW.
  • Measurement at tower, nacelle, rotor bearing, gearbox, and generator.
  • Fast field checks and periodic condition assessment.

Key features:

  • Three independent measuring channels.
  • Selectable band filters.
  • Interval RMS display with averaging time up to 10 hours or running RMS.
  • Measurement of vibrations from 0.1 Hz.
  • Vibration acceleration and velocity measurement.
  • Memory for 1,000 measurements with PC interface.
  • Excel macro for data transfer and calculations.
  • AC output.
  • 10 user-defined setups.
  • Up to 20 hours operation with 3 AA rechargeable or alkaline cells.
  • Compact design and IP65 protection grade.
VM25 Handheld FFT Vibration Meter
VM25 Handheld FFT Vibration Meter

VM25 is a compact handheld vibration meter from MMF for route-based machine condition monitoring and field service. It combines FFT analysis, contactless optical RPM measurement, and integrated infrared temperature sensing in one portable device.

Features:

  • Measures vibration acceleration, velocity, and displacement.
  • True RMS, peak value, and crest factor.
  • Precision shear accelerometer with magnetic base.
  • Automatic measuring point recognition via VMID sensor base.
  • Graphical trend display.
  • FFT spectrum analysis for acceleration and velocity.
  • Integrated infrared thermometer.
  • Integrated optical RPM sensor with laser pointer.
  • Memory for 16,000 measurements.
  • USB interface and PC software for MIMOSA-compliant point management.
  • Headphone output, bright color OLED display, and economical AAA batteries.

Applications:

  • Machine condition monitoring according to ISO 20816.
  • Rolling bearing monitoring according to VDI 3832.
  • General vibration testing in laboratories and industry.
  • Quality control and maintenance checks.
  • Optical speed measurement and non-contact temperature measurement.
VM100B 3-Channel Vibration Analyzer
VM100B 3-Channel Vibration Analyzer

VM100B is a 3-channel handheld vibration analyzer from MMF for advanced machine diagnostics, route-based monitoring, balancing, and human/machine vibration assessments in the field or laboratory.

Applications:

  • Condition monitoring of motors, pumps, compressors, turbines, and gearboxes.
  • Route-based measurements on machinery.
  • Rolling bearing diagnosis and balancing.
  • Hand-arm and whole-body vibration measurement; ride comfort evaluation.
  • Run-up / coast-down analysis and resonance search.
  • Passenger and merchant ship vibration measurement.
  • Vibration assessment in sensitive environments according to VC/Nano criteria.

Key features:

  • Large display with intuitive touch operation.
  • 3 independent sensor channels.
  • Measures vibration acceleration, velocity, and displacement.
  • Amplitude versus rotational speed display.
  • FFT frequency analysis with waterfall mode and envelope analysis.
  • Weighting filters for hand-arm and whole-body vibration.
  • RMS, VDV, vector sum, peak and peak max.
  • TEDS sensor detection and RFID measuring point identification.
  • Tachometer input for RPM measurement.
  • microSD storage and USB PC connection.
  • Up to 10 hours of 3-channel time history recording.
  • Raw signal recording as WAV files.
MMF VC120
MMF VC120
VM100A 9-Channel Vibration Analyzer
VM100A 9-Channel Vibration Analyzer

VM100A is a 9-channel handheld vibration analyzer for multi-channel and multi-axis measurements. It is suitable for machine condition monitoring, advanced vibration diagnostics, spectral analysis, and applications requiring several synchronized sensors in one portable instrument.

Applications:

  • Condition monitoring of motors, pumps, compressors, turbines, and gearboxes.
  • Route-based measurements on machinery.
  • Rolling bearing diagnosis and balancing.
  • Hand-arm and whole-body vibration measurement.
  • Run-up / coast-down analysis and resonance search.
  • Ship vibration and VC/Nano-sensitive applications.

Key features:

  • Large display with intuitive touch operation.
  • 9 independent sensor channels, for example three triaxial sensors.
  • Measures vibration acceleration, velocity, and displacement.
  • Amplitude versus rotational speed display.
  • FFT frequency analysis with waterfall mode and envelope analysis.
  • Suitable for multi-point and multi-axis advanced measurements.
MMF VC21D
MMF VC21D
KS81B Industrial Vibration Accelerometer ±60g
KS81B Industrial Vibration Accelerometer ±60g

KS81B is an MMF industrial IEPE accelerometer designed for vibration measurements requiring high sensitivity, low noise, and reliable operation in harsh environments.

Applications:

  • Industrial vibration measurement on rotating machinery and mechanical systems.
  • Condition monitoring in harsh operating environments.
  • Integration into DAQ systems, machine monitoring, and predictive maintenance solutions.

Key specifications:

  • Measuring range: ±60g.
  • Shock limit: 4000g.
  • Sensitivity: 100 mV/g (±5%).
  • Resonant frequency: >23 kHz.
  • Excitation current: 2 to 20 mA.
  • Operating temperature: -20°C to 120°C.
  • Mass: 102 g.
  • Connector: Binder 713.
MMF VC21
MMF VC21
KS74C10 Industrial Accelerometer ±600g
KS74C10 Industrial Accelerometer ±600g

KS74C10 is an MMF industrial IEPE accelerometer for harsh environments, offering low noise, compact size, and a measurement range suitable for high-level vibration and shock applications.

Applications:

  • High-amplitude industrial vibration measurement.
  • Machine monitoring in harsh environments.
  • Shock measurement and wide-range dynamic applications.

Key specifications:

  • Measuring range: ±600g.
  • Limit: 5000g.
  • Sensitivity: 10 mV/g (±5%).
  • Resonant frequency: >46 kHz.
  • Excitation current: 2 to 20 mA.
  • Operating temperature: -20°C to 130°C.
  • Mass: 28.5 g.
  • Connector: TNC.
MMF VC20
MMF VC20
KSI84D Current Loop Displacement Sensor 10-50.8 mm
KSI84D Current Loop Displacement Sensor 10-50.8 mm

KSI84D is an MMF displacement sensor with 4-20 mA output for direct connection to standard measurement and control equipment such as PLC, DCS, and SCADA systems. It is compact, robust, galvanically isolated, and suited for harsh industrial environments.

Applications:

  • Vibration displacement monitoring in condition monitoring systems.
  • Direct integration into PLC, DCS, SCADA, and industrial monitoring platforms.
  • Monitoring of rotating equipment such as pumps, fans, motors, and machinery.

Key specifications:

  • Measuring range: 10 to 50.8 mm (±5%).
  • Shock limit: ±5000g.
  • Output: 4 to 20 mA, peak-to-peak vibration displacement.
  • Operating temperature: -40°C to 100°C.
  • Mass: 60 g.
  • Connector: Binder 713 (M12).
  • Galvanically isolated and protected against reverse polarity and overvoltage.
  • IP68 waterproof with EMI-protected housing.