Fibre-based Single-point Laser Doppler Vibrometer (LDV-R1D-V1)

Specifications Standard Custom Design
Measurement point 1
Laser He-Ne Laser (wavelength at 632.8nm, Class II,Eye-safe)
Stand-off Distance
0.2m – 2m (adjustable focal length, up to 20m with retro-reflective surfaces) Fixed-focal lens for MEMS measurement, focal lens: 30mm-50mm
Spot size of laser 20µm – 200 µm <10µm
Length of Fiber 2m 5m,10m
Type of Fiber Single-mode PM fiber with 3mm stainless steel protection
Velocity Measurement Range Adjustable based on resolution, From100mm/s to 3m/s Up to 10m/s
Frequency Measurement Range 0.1Hz – 250kHz Up to 5MHz
Demodulation system FPGA digital decoding system (real time output) Analog decoding system or
Ultra-high-resolution software decoding system
Interface of control Software control
Velocity Resolution 0.01μm/s/√Hz
Mounting hole of sensing head M4, M6,1/4″-20 Custom design
Data output Digital output(USB2.0 interface)
Analog output (BNC interface,only for <250kHz vibration
Digital output(USB3.0 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
Warranty 1-year warranty Optional 2-year warranty

ldv-1