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

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)
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.
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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

Model VC20 replaces VC10, VC11 and VC12
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 (proximity probes) at 159.2 Hz with thread adapters for all common sensor models
  • Clock output for the synchronization of frequency-selective measuring 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 15.92 / 40 / 80 / 159.2 / 320 / 640, 1280 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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