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

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Vibration Calibrators

Metra is a leading manufacturer of vibration sources for the calibration of accelerometers, velocity and displacement sensors. Metra's vibration calibrators have some unique features such as a very high payload and variable vibration frequencies.

Vibration Calibrating System
NEW VC120
  • Rapid and easy calibration of vibration measuring systems
  • Measurement of frequency response
  • Built-in signal conditioner with transducer sensitivity display
  • Built-in accumulator for mobile use
  • Traceable to PTB standard
  • PC controlled via USB
  • ASCII command set for external control

Vibration magnitude
1 m/s² RMS
Vibration frequency
70 .. 10 000 Hz
Maximum sensor weight
400 g
Sensor types
Charge, IEPE and voltage output

Data sheet (250 kB)
VCUSB for VC110 (500 kB)
Folder Vibration Calibrators (4 MB)
Instruction manual (700 kB)
NEW VC1xxCDB software for operation, measurement and archiving
Notice: For using this software with VC110 calibrators a USB software upgrade VCUSB including USB dongle is required.
Video Training video English / Chinese (MP4, 10 min, 150 MB)
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Vibration Calibrators
VC20
VC21
  • Quick and simple calibration and fault detection of sensors and measuring chains for acceleration, velocity and displacement
  • Load independent vibration magnitude
  • Vibration magnitude of 10 m/s² (VC20) or selectable in 5 steps from 1 to 20 m/s² (VC21)
  • Quartz stabilized vibration frequency of 159.2 Hz (VC20) or selectable in 7 steps from 15.92 Hz to 1280 Hz (VC21)
  • Suitable for the calibration of whole-body human vibration meters to ISO 8041 and building vibration meters to DIN 4150-3
  • Battery operated for mobile use
  • Traceable to PTB reference standard
  • Rugged design

Vibration frequencies
159.2 Hz
15.92 / 40 / 80 / 159.2 / 320 / 640 / 1280 Hz
Vibration magnitudes
10 m/s²
1 / 2 / 5 / 10 / 20 m/s²
Maximum sensor weight
600 g
50 - 500 g, depending on frequency and magnitude

Data sheet (250 kB)
Instruction manual VC20 (350 kB)Add to memo list:
Instruction manual VC21(D) (550 kB)
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Vibration Calibrator
VC21D
  • Quick and simple calibration and fault detection of  sensors and measuring chains for acceleration, velocity and displacement 
  • Detachable clamping device for the dynamic calibration of non-contact displacement sensors (Eddy current probes) at 159.2 Hz with thread adapters for all common sensor models
  • Clock output for the synchronization of frequency-selective measuring systems, e.g. as "keyphasor" signal in machine monitoring systems
  • Load independent vibration magnitude
  • Vibration magnitude selectable in 5 steps from 1 to 20 m/s²
  • Quartz stabilized vibration frequency selectable in 7 steps from 15.92 Hz to 1280 Hz
  • Suitable for the calibration of whole-body human vibration meters to ISO 8041 and building vibration meters to DIN 4150-3
  • Battery operated for mobile use
  • Traceable to PTB reference standard
  • Rugged design
Vibration frequencies for seismic sensors
15.92 / 40 / 80 / 159.2 / 320 / 640, 1280 Hz
Vibration frequency for Eddy current probes
159.2 Hz
Vibration magnitudes 1 / 2 / 5 / 10 / 20 m/s²
Maximum sensor weight 50 - 500 g, depending on frequency and magnitude

Data sheet (250 kB)
Instruction manual VC21(D) (550 kB)
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