Free-space Four-point Laser Doppler Vibrometer (FNV-R4D-VD1)
Specifications | Standard | Custom Design |
Measurement point | 4 |
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Laser | He-Ne Laser (wavelength at 632.8nm, Class II,Eye-safe) |
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Standoff distance | 0.2m – 5m (adjustable focal length, up to 20m with retro-reflective surfaces) |
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Spot size of laser | 20µm – 500 µm |
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Output | Velocity or displacement (selection from software) |
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Frequency measurement range | 0.1Hz – 100kHz |
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Synchronization among channels | 20ns |
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Velocity measurement range | Adjustable based on resolution, from 10mm/s to 2m/s |
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Resolution | Velocity: Displacement: 5pm |
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Demodulation system | FPGA digital decoding system (real time output) |
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Interface of control | Software control |
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Cable length between sensing head and system | 2m |
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Mounting hole of sensing head | M4, M6,1/4″-20 |
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Data output | Digital output(USB2.0 interface) Analog output (BNC interface) |
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Power supply | 110V-240V, 50Hz-60Hz |
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Software | Windows-based interface for display analyze and save measurement data | Optional laptop with SSD |
Trigger interface | TTL Signal, BNC interface |
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Size of sensing head | 300mm (L) x 60mm (W) x 120mm (H) |
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Warranty | 1-year warranty | Optional 2-year warranty |