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

SpecificationsStandardCustom Design
Measurement point1 
LaserHe-Ne Laser (wavelength at 632.8nm, Class II,Eye-safe) 
Stand-off Distance0.2m – 2m (adjustable focal length, up to 20m with retro-reflective surfaces)Fixed-focal lens for MEMS measurement, focal lens: 30mm-50mm
Spot size of laser20µm – 200 µm<10µm
Length of Fiber2m5m,10m
Type of FiberSingle-mode PM fiber with 3mm stainless steel protection 
Velocity Measurement RangeAdjustable based on resolution, From100mm/s to 3m/sUp to 10m/s
Frequency Measurement Range0.1Hz – 250kHzUp to 5MHz
Demodulation systemFPGA digital decoding system (real time output)Analog decoding system or
Ultra-high-resolution software decoding system
Interface of controlSoftware control 
Velocity Resolution0.01μm/s/√Hz 
Mounting hole of sensing headM4, M6,1/4″-20Custom design
Data outputDigital output(USB2.0 interface)
Analog output (BNC interface,only for <250kHz vibration
Digital output(USB3.0 interface)
Power supply110V-240V,50Hz-60Hz 
SoftwareWindows-based interface for display analyze and save measurement dataOptional laptop with SSD
Trigger interfaceTTL signal, BNC interface 
Warranty1-year warrantyOptional 2-year warranty
ldv-1
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