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

Machine Monitoring


Vibration Meters
VM12
VM15
  • For predictive maintenance of rotating machinery
  • Measurement of bearing vibration (VM15)
  • Measurement of vibration acceleration, velocity and displacement (VM15)
  • RMS and peak-to-peak (VM15)
  • Temperature measurement (VM15)
  • Signal output (VM15)
  • Pocket-sized
  • Comes with accelerometer and clamping magnet
  • VM15 available with ATEX Zone 2 option

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Measuring ranges


Vibration acceleration
-
0.5 .. 200m/s²
Vibration velocity
0.5 .. 200mm/s 0.5 .. 200mm/s
Vibration displacement
-
5 .. 2000 µm
Temperature
-
2 .. 200 °C
Frequency ranges


Vibration acceleration
-
3 Hz / 1 kHz .. 10kHz
Vibration velocity
10 Hz .. 1kHz
3 Hz .. 1kHz
Vibration displacement
-
3 Hz .. 200Hz
RMS measurement
yes
yes
Peak-to-peak measurement
no
yes
Supplied accelerometer
KS72L
KS72L
Data sheet (250 kB)
Instruction manual (150 kB)
Data sheet (250 kB)
Instruction manual (200 kB)

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


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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)

8 Channel IEPE Conditioner
NEW 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

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


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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

Vibration Detector / Vibration Switch
VS4
VS6
  • Simple and economical vibration monitoring
  • Built-in piezoelectric accelerometer
  • VS4 requires no wiring and no external supply
  • VS4 displays pre-alarm and main alarm by LEDs
  • VS6 has a built-in relay with adjustable threshold
  • Rugged IP65 case, simple mounting
Please click for details
Please click for details
Monitored vibration quantity
Vibration velocity
Vibration velocity
Measuring range
50 / 200 mm/s
50 / 200 mm/s
Frequency range
3 / 10 .. 1000 Hz (ISO 10816)
3 / 10 .. 1000 Hz (ISO 10816)
Adjustable threshold
5 .. 100 % of range
5 .. 100 % of range
Power supply
2 "AA" (Mignon) cells
5 .. 30 VDC
Data sheet (200 kB)
Instruction manual (100 kB)
Data sheet (200 kB)
Instruction manual (100 kB)

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

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Available with:


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