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VC20, Vibration Calibrator

The basic model VC20 generates a fixed amplitude of 10 m/s² (RMS) at 159.2 Hz.
VC20
VC20
VC20, Vibration Calibrator
Carrying case of VC20 / VC21 / VC21D
Features:
  • Load independent vibration level for test objects weighing up to 600 g
  • Controlled vibration amplitude of 10 m/s²
  • Quartz controlled vibration frequency of 159.15 Hz (radian frequency 1000 1/s)
  • Display shows frequency, magnitude, error in percent and calibration date
  • Rugged design
  • Mains buffered battery operation for laboratory and field use
  • Calibration to ISO 16062-44 with factory calibration certificate
  • DAkkS-accredited calibration with traceability, upon request
Manufacturer:  MMF
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Description
Applications
Models & Accessories
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VC20 - Description

The basic model VC20 generates a fixed amplitude of 10 m/s² (RMS) at 159.2 Hz. This frequency was chosen because it corresponds to a radian frequency of 1000 s-1 where the following relationship exists for sine-wave signals:

10 m/s² acceleration = 10 mm/s velocity = 10 µm displacement. The unit has just one on/off push-button. A bright OLED display
shows frequency and amplitude, the amplitude error as a percentage and the battery condition.

Its powerful electrodynamic shaker allows the calibration of heavy test objects up to 600 grams. The built-in NiMH accumulator lasts for approximately 5 hours of operation.

A cast aluminum enclosure protects the instrument under harsh field conditions.

VC20 - Applications

● Rapid and easy calibration of vibration transducers for acceleration, velocity and displacement
● Calibration and fault detection of vibration measuring systems

VC20 - Models & Accessories
Accessories
Plastic Carrying Case
Mains Adapter100 to 240 VAC
Thread AdaptersM3, M5,M8, 1/4“-28, UNF 10-32
VC20 - Downloads
VC20 - Related Products
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Datasheet
VC21 - Vibration Calibrator
  • Load independent vibration level for test objects weighing up to 500 g
  • Vibration amplitude selectable in five steps from 1 to 20 m/s²
  • Quartz controlled vibration frequency selectable in seven steps from 15.92 Hz to 1280 Hz
  • Display shows frequency, magnitude, error in percent and calibration date
  • Rugged design
  • Mains buffered battery operation for laboratory and field use
  • Calibration to ISO 16062-44 with factory calibration certificate
  • Upon request, we also offer DAkkS-accredited calibration with traceability
The VC21 is a multi-frequency and multi-amplitude reference shaker. The microprocessor based unit contains an amplitude control loop with a reference accelerometer built into the shaker head.
  • Self-contained calibration system
  • Test amplitude of 1 m/s² rms
  • Vibration frequency from 70 Hz to 10 kHz selectable
  • Suitable for test objects weighing up to 400 g
  • Internal measuring channel for charge, IEPE and voltage
  • LCD for settings and measurements
  • USB interface for PC controlled calibration
  • PC software for calibration and display with sensor data base included
The VC120 works at a constant amplitude of 1 m/s² (RMS). The frequency is adjustable in fine intervals from 70 Hz to 10 kHz.
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