Manfred Weber
Metra Mess- und Frequenztechnik in Radebeul e.K.
Since 1954

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Machine Monitoring


Hand-Held Vibration Meters VMxx Series
  • Condition monitoring of rotating and reciprocating machines to ISO 10816-1/-6, IEC 60034-14, etc.
  • Evaluation of roller bearing condition to VDI 3832 etc. (VM24 and VM25)
  • Humanschwingung (VM31)
  • Measurements at vibration conveyors, vibrating screens and separators (VM23)
  • Graphical trend display (VM2x)
  • Frequency analysis (VM25/31)
  • Main frequency display (VM23)
  • Non-contact rotation speed measurement with laser pointer (VM25)
  • Infrared temperature sensor (VM25)
  • Electronic identification of measurement points with VMID pads via the sensor base
  • USB interface, PC software for measuring point management to MIMOSA convention and measuring data archiving
  • Pocket-sized



VM22
NEW VM23
VM24
VM25
VM31


Please click for details
Measuring channels 1 1
1 1 4
Inputs L.P. IEPE + VMID L.P. IEPE + VMID L.P. IEPE + VMID L.P. IEPE + VMID L.P. IEPE + TEDS
Measuring ranges
Vibration acceleration - -
0.1 - 240m/s² 0.1 - 240m/s² 0.1 - 800 m/s²
Vibration velocity 0.1 - 1000mm/s 0.1 - 1000mm/s 0.1 - 1000mm/s 0.1 - 1000mm/s 0.1 - 10000 mm/s
Vibration displacement - 0.01 - 60 mm 0.01 - 60 mm 0.01 - 60 mm 1 - 15000 µm
Temperature - -
- -40 - 125 °C -
Rotary speed - -
- 1 - 9999 rpm -
Frequency ranges
Vibration acceleration - -
0.2 Hz - 10 kHz
3 Hz - 1 kHz
1 kHz - 10 kHz
0.2 Hz - 10 kHz
3 Hz - 1 kHz
1 kHz - 10 kHz
0.1 - 2000 Hz
1 - 1000 Hz
Vibration velocity 10 - 1000 Hz 2 - 100 Hz
10 - 1000 Hz
2 - 1000 Hz
10 - 1000 Hz
2 - 1000 Hz
10 - 1000 Hz
1 - 100 Hz
2 - 1000 HZ
10 - 1000 Hz
Vibration displacement - 3 - 60 Hz
3 - 200 Hz
5 - 200 Hz 5 - 200 Hz 5 - 250 Hz
Other features
Human vibration measurement - -
- - yes
RMS measurement yes yes yes yes yes
Peak measurement - yes (pk-pk)
yes yes yes
Crest factor measurement - -
- yes -
Vector sum (X/Y/Z) - -
- - yes
Main frequency
-
yes
-
-
-
Bearing diagnostic coefficient K(t) - -
- yes -
Vibration dose value (VDV) - -
- - yes
Frequency analysis - 512 lines FFT for main frequency
(no spectrum)
- 125 lines FFT;
10 frequency ranges
23 - 11712 Hz
125 lines FFT;
4 frequency ranges
240 - 1920 Hz
Headphone output - -
- yes -
Measurement memory 16000 measurements, USB  interface 16000 measurements, USB  interface 16000 measurements, USB  interface 16000 measurements, USB  interface 10000 measurements, USB  interface
Accessories
Supplied accelerometer KS82L KS82L KS82L KS82L -
Sensor probe (option)
-
Sensor solutionA high temperature charge-mode accelerometer KS56 (up to 250°C) can be connected to the input of the hand-held vibration meters VM22/23/24/25 via the Pre-Amplifier Model VM2x-A. We recommend the 1.5 m sensor cable 009/T-UNF-UNF-1,5. VMID is not supported with this solution. for high temperatures up to 250°C
KS56 and
KS56 and
KS56 and
KS56 and

Data sheet VM2x (550 kB)
Data sheet KS82L (200 kB)
Instruction manual (3 MB)
Data sheet VM2x (550 kB)
Data sheet KS82L (200 kB)
Instruction manual (3 MB)
Data sheet VM2x (550 kB)
Data sheet KS82L (200 kB)
Instruction manual (4 MB)
Data sheet VM2x (550 kB)
Data sheet KS82L (200 kB)
Instruction manual (10 MB)
Data sheet VM31 (350 kB)
Instruction manual (3.5 MB)



Excel macro for FFT import
Excel macro

PC software VM2x-Measurement Database
USB Device Driver
Firmware update
USB Device Driver
Firmware update
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Universal Vibration Monitor
M12
  • Monitoring of vibration severity to ISO 10816
  • Monitoring of bearing vibration
  • Vibration quantity and filter range selectable
  • True RMS and true peak-to-peak measurement
  • Input for IEPE sensors
  • Level display at front
  • Relay output with adjustable threshold and delay
  • Insulated 4 .. 20 mA loop output
  • Wide band output
  • Self test function
  • 35 mm DIN rail attachment

Please click for details
Optional accessory: M12DIS

Viewing area 47 x 18 mm

Vibration level display for M12 current loop output with bezel for switch panel mounting

For connecting the outputs see also our BNC interfaces.




Monitored quantities
Vibration acceleration 10 / 50 / 250 m/s²
Vibration velocity 10 / 50 / 250 mm/s
Vibration displacement 100 / 500 / 2500 µm
Frequency range
1 .. 50 000Hz
High pass filter
Plug-in high pass module FB3-... (2 .. 1000 Hz available)
Low pass filter
Plug-in low pass module FB2-... (0.1 .. 50 kHz available)
Rectification
True RMS and true peak-to-peak value
Outputs
Wide band (AC), filtered (AC), RMS (DC), peak-to-peak (DC), 4-20 mA, relay
Power supply
12 .. 28 VDC
Data sheet (300 kB)
Instruction manual (500 kB)
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8 Channel IEPE Conditioner
M208A
  • For piezoelectric accelerometers, force and pressure sensors and microphones with IEPE output
  • Suitable as signal conditioner, meter and monitor
  • Measurement of RMS and peak
  • Embedded web server for remote measurement and monitoring Example web page
  • Serial interface with PC software for setup and metering
  • High pass, low pass and integrator plug-in modules
  • TEDS support
  • Relay output
  • Shared output
  • Compact 19" rack case with low depth

M208A - All-In-One:

  • Signal conditioner with filters and integrators
  • RMS/Peak vibration meter
  • Vibration monitor with relay output
  • Web server for remote measurement

Gain
0.1 .. 1000, incremental
Frequency range
0.1 Hz .. 100 kHz
Readout display
4 digits; RMS or peak; 1 s multiplex; with mechanical unit
TEDS support
automatic transducer sensitivity normalization
Ethernet
embedded web server hosts HTML page for readout and setup, Example
RS-232 Interface
master and slave interface for PC control of up to 8 units by supplied control software or ASCII command set
Relay output
1 relay with adjustable threshold for each channel
High pass filter modules
FB3- 3 / 5 / 10 / 30 / 50 / 100 / 300 / 500 / 1000 Hz (Butterworth, 2nd order)
Low pass filter modules
FB2- 0.1 / 1 / 3 / 5 / 10 / 30 / 50 / 100 kHz (Butterworth, 4th order)
Integrator modules
single integrator 6 - 1000 Hz (FBV) and double integrator 6 - 200 Hz (FBD)
Connectors
8 BNC inputs; 8 BNC outputs; shared BNC output; Sub-D output
Power supply
10 - 28 VDC; mains plug adapter 115 / 230 VAC
Data sheet (400 kB)
Instruction manual M208A (1,5 MB)

M208A operating and measuring software for Windows PCs
Firmware update
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Vibration Meter for Wind Turbines to VDI 3834-1 NEW VM30-W
  • Versatile and economic tool for the evaluation of mechanical vibrations of onshore wind generators up to 3 MW with gears to VDI 3834, Part 1
  • Vibration measurement at tower, nacelle, rotor bearing, gear and generator with only one meter and one sensor
  • Triaxial Measurement
  • Measurement of vibration acceleration and vibration velocity from 0.1 Hz
  • Memory, PC interface


Please click for details.
Measuring range
Interval RMS of vibration acceleration 0.1 - 10 Hz: 0.010 m/s² - 40 m/s²
Running RMS of vibration acceleration 10 - 1000 Hz: 0.010 m/s² - 40 m/s²
Running RMS of vibration acceleration 10 - 2000 Hz: 0.010 m/s² - 40 m/s²
Running RMS of vibration acceleration 10 - 5000 Hz: 0.010 m/s² - 40 m/s²
Interval RMS of vibration velocity 0.1 - 10 Hz: 10 - 300 mm/s
Running RMS of vibration velocity 10 - 1000 Hz: 0.01 - 400 mm/s
Inputs
X / Y / Z, IEPE compatible
External connections
RS-232, analog outputs X / Y / Z, supply voltage
Data sheet (400 kB)
Instruction manual (600 kB)
Abstract VDI 3834 Part 1 (200 kB)
The latest version of the software for Excel import from the VM30-W can be found on our download page
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Vibration Switches / USB Transmitter
NEW VS10
NEW VS11 NEW VS12
  • Machine condition monitoring
  • Quality control
  • Emergency shut-off
VS12:
  • Compact and economic USB instrument for vibration measurement and recording in time and frequency domain

Please click for details
Measurands
RMS and peak value of
Acceleration or Velocity
RMS and peak value of
Acceleration or Velocity
RMS and peak value of
Acceleration or Velocity
Frequency range (max.)
0.1 Hz - 10 kHz 0.1 Hz - 10 kHz 0.1 Hz - 10 kHz
Filters
Programmable high pass and low pass filters
Programmable high pass and low pass filters Programmable high pass and low pass filters
Frequency domain measurement (FFT)
-
360 lines, 10 freely selectable frequency intervals with individual amplitude limits
360 lines, 10 freely selectable frequency intervals with individual amplitude limits
LEDs for warning and alarm
green/red
green/red -
Connectors
Screw terminals for supply (5-30 VDC) and Micro USB (internal) Screw terminals for supply (5-30 VDC) and Micro USB (internal) Binder 712 socket for USB, Relay and supply (5-30 VDC or USB voltage)
Mounting
M8 stud bolt
M8 stud bolt M8 stud bolt
Data sheet (350 kB)
Instruction manual (250 kB)
Data sheet (350 kB)
Instruction manual (700 kB)
Data sheet (350 kB)
Instruction manual (700 kB)
USB device driver
PC software
Firmware update
USB device driver
PC software
Firmware update
USB device driver
PC software
Firmware update
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4-20 mA Vibration Severity Transmitter
KSI80VC20
KSI80VC40 KSI82VB20 KSI82VB40
Output
RMS of vibration velocity as 4-20 mA current loop
Measuring range
0.2 .. 20 mm/s
0.4 .. 40 mm/s 0.2 .. 20 mm/s 0.4 .. 40 mm/s
Linear frequency range (±3 dB) 1.5 .. 1000 Hz
1.5 .. 1000 Hz 10.. 1000 Hz 10 .. 1000 Hz
Protection grade
IP67
IP67 IP67 IP67
Connector
Binder 713, axial Binder 713, axial Binder 713, axial Binder 713, axial
Weight
66 g
66 g 66 g 66 g

Please click for details
Available with:


Notice: These transducers are not IEPE compatible.
Data sheet (250 kB)
Instruction manual (150 kB)
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