With the support of the Ministry of Science, Education and Sports of the Republic of Croatia a Metrolaser Vibromet 500V Laser Doppler Vibrometer was purchased. Its characteristics are the following:
Velocity range |
5 μm/s to 1000 mm/s |
Vibration frequency range |
DC to >20kHz |
Working distance |
1 cm to 5 m |
Movement range |
0.1 nm to 10 mm |
Optics |
Collimated or Variable Focus (1 m to 5 m) |
Surface preparation |
Usually not needed |
Output signal |
Analog, demodulated and 10.7 MHz FM |
Dimensions |
Laser head 24 x 11.4 x 7.6 cm |
Dimensions |
Electronic controller 30 x 22 x 6 cm |
Weight |
Laser head 1.4 kg |
Weight |
Electronic controller 3.9 kg |
Low-pass filter |
1,2,5,10,20 kHz |
Input voltage (max) |
± 8 V |
Laser |
780 nm, <15 mW, Class Illb 650 nm, <1 mW, Class II |
Energy requirements |
220V / 50 Hz |
Operating temperature range |
3 – 45°C |