Free-space Four-point Laser Doppler Vibrometer (FNV-R4D-VD1)

Specifications

Standard

Custom Design

Measurement point

4

 

Laser

He-Ne Laser (wavelength at 632.8nm,  Class II,Eye-safe)

 

Standoff distance

0.2m – 5m (adjustable focal length, up to 20m with retro-reflective surfaces)

 

Spot size of laser

20µm – 500 µm

 

Output

Velocity or displacement (selection from software)

 

Frequency measurement range

0.1Hz – 100kHz

 

Synchronization among channels

20ns

 

Velocity measurement range

Adjustable based on resolution, from 10mm/s to 2m/s

 

Resolution

Velocity:

Displacement:  5pm

 

Demodulation system

FPGA digital decoding system (real time output)

 

Interface of control

Software control

 

Cable length between sensing head and system

2m

 

Mounting hole of sensing head

M4, M6,1/4″-20

 

Data output

Digital output(USB2.0 interface)

Analog output (BNC interface)

 

Power supply

110V-240V, 50Hz-60Hz

 

Software

Windows-based interface for display analyze and save measurement data

Optional laptop with SSD

Trigger interface

TTL Signal, BNC interface

 

Size of sensing head

300mm (L) x 60mm (W) x 120mm (H)

 

Warranty

1-year warranty

Optional 2-year warranty

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