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      上海楨盛測量系統(tǒng)有限公司

      當(dāng)前位置:上海楨盛測量系統(tǒng)有限公司>>激光測振儀>> 單點激光測振儀廠家

      單點激光測振儀廠家

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      更新時間:2019-08-08 15:49:44瀏覽次數(shù):1147次

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      單點激光測振儀廠家,Julight 公司的激光測振儀是基于新穎的自混頻干涉結(jié)構(gòu)而成的,可以對粗糙發(fā)散的表面(比如未拋光的金屬,塑料,橡皮,紙質(zhì),纖維等)進(jìn)行極易而精確的非接觸振動測量。

      單點激光測振儀廠家1.2原理:

      Julight 公司的激光測振儀是基于新穎的自混頻干涉結(jié)構(gòu)而成的,可以對粗糙發(fā)散的表面(比如未拋光的金屬,塑料,橡皮,紙質(zhì),纖維等)進(jìn)行極易而精確的非接觸振動測量。激光測振儀提供模擬的電信號輸出,這些電信號就是在某一頻率的目標(biāo)位移的復(fù)制品( 1mv/um響應(yīng)率,對應(yīng) 1mm/V)。頻率范圍從DC到50KHZ,甚至到10MHZ ,zui小的可測位移為0.4nm (1HZ噪聲寬帶),zui大的振動幅值(峰峰值)可以大于20mm,zui大的速率可以使1 m/s .

      Julight公司的激光測振儀的zui顯著的特點就是具有非常小的光學(xué)頭:

      -標(biāo)準(zhǔn)光學(xué)頭,帶斑點追蹤功能(大?。?05mm x 60mm x 40mm),有定焦和自動對焦兩個版本。

      -可選的超小的光學(xué)頭,不帶斑點追蹤和自動對焦功能(大?。洪L50 mm,直徑 15mm)

      處理干涉信號的簡單二有效的電子系統(tǒng)可以做得和精致,一臺 VSM400(或 VSM4000)儀器能夠支持4個光學(xué)頭(也就是說4個獨立的光學(xué)通道),因此,這樣的話,就可以進(jìn)行同時測量不同點的振動,而無需使用掃描系統(tǒng)來完成。

       

      單點激光測振儀廠家系列產(chǎn)品參數(shù)比較表

      Description

      VSM1000

      VSM4000

      VSM1000-L

      VSM1000-L-EXT

      VSM3D

      Maximum measurable vibration (peak-to-peak)

      43 mm (theoretical)

      1 mm (practical)

      43 mm (theoretical)

      1 mm (practical)

      43 mm (theoretical)

      1 mm (practical)

      43 mm (theoretical)

      1 mm (practical)

      (0-50KHZ)

      4 um(practical)

      (20KHZ-3MHZ)

      43 mm (theoretical)

      1mm (practical)

      Maximum measurable velocity

      > 0.5 m/s

      > 0.5m/s

      0.5 m/s @ 0.5 m

      0.2 m/s @ 5.0 m

      0-50KHZ:

      0.5 m/s @ 0.5 m

      0.2 m/s @ 5.0 m

      20KHZ-3MHZ:

      40ms/s

      0.5 m/s

      Output signals

      · Displacement / Velocity(analog, BNC connector)

      · Monitor (3.5mm jack):

      - Optical Signal Level (analog)
      -Speckle-Tracking active (digital)

      · Displacement/ Velocity (analog, BNC connector)

      · Monitor (3.5mm jack):

      - Optical Signal Level (analog)
      -Speckle-Tracking active (digital)

      · Displacement / Velocity(analog, BNC connector)

      · Monitor (3.5mm jack):

      - Optical Signal Level (analog)
      -Speckle-Tracking active (digital)

      · Displacement / Velocity(analog, BNC connector)

      · Monitor (3.5mm jack):

      - Optical Signal Level (analog)
      -Speckle-Tracking active (digital)

      · X, Y, Z Displacement (analog, 3x BNC connectors)

      · Monitor (3.5mm jack):

      - Optical Signal Level (analog)
      - Speckle-Tracking active (digital)

      Output signal responsivity

      · Displacement: 0.5 V/mm

      ·Velocity: 5 V/(m/s)

      · Displacement: 0.5 mV/mm

      ·Velocity: 5 V/(m/s)

      · Displacement: 0.5 V/mm

      ·Velocity: 5 V/(m/s)

      0-50KHZ:

      · Displacement: 0.5 V/mm

      ·Velocity: 5 V/(m/s)

      20KHZ-3MHZ:

      5V/um

      · Displacement: 0.5 V/mm

      Resolution

      Noise-limited

      Noise-limited

      Noise-limited

      Noise-limited

      Noise-limited

      Noise Equivalent Displacement

      0.2 nm/ÖHz (from DC to 50 kHz)

      0.2 nm/ÖHz (from DC to 50 kHz)

      0.2 nm/ÖHz @ 0.5 m

      1 nm/ÖHz @ 5.0 m

      0.2 nm/ÖHz @ 0.5 m

      1 nm/ÖHz @ 5.0 m

      0.2 nm/ÖHz (from DC to 50 kHz)

      To 10M HZ

      Output signal accuracy

      1%

      1%

      1%

      0-50KHZ:      1%

      20KHZ-3MHZ:  5%

      1%

      Spatial transversal resolution

      100 mm

      100 mm

      100 mm

      100 mm

      100 mm

      Target surface

      Diffusive or back-reflecting

      Diffusive or back-reflecting

      Diffusive or back-reflecting

      Diffusive or back-reflecting

      Diffusive or back-reflecting

      Working distance

      · From 20 to 120 cm (Auto Focus mode)

      · 20, 40 and 100 cm (Fixed Focus mode)

      · From 20 to 120 cm(Auto Focus mode)

      · 20, 40 and 100 cm (Fixed Focus mode)

      · From 0.5 to 5.0 m(Auto Focus mode)

      · 0.5, 1.0 and 5.0 m (Fixed Focus mode)

      · From 0.5 to 5.0 m(Auto Focus mode)

      · 0.5, 1.0 and 5.0 m (Fixed Focus mode)

      · 15 cm 

      (accurate positioning assisted by LED bar indicator)

      Laser radiation

      · Pout < 1 mW @ 650 nm (collimated)
      · Pout < 15 mW @ 1310 nm (focused)

      · Pout < 1 mW @ 650 nm (collimated)
      · Pout < 15 mW @ 1310 nm (focused)

      · Pout < 1 mW @ 650 nm (collimated)
      · Pout < 15 mW @ 1310 nm (focused)

      · Pout < 1 mW @ 650 nm (collimated)
      · Pout < 15 mW @ 1310 nm (focused)

      · Pout < 1 mW @ 650 nm (collimated)
      · Pout < 15 mW @ 1310 nm (focused)

      Laser safety class

      · Class 2 @ 650 nm (visible) 
      · Class 1M @ 1310 nm (invisible)

      · Class 2 (visible) @ 650 nm
      · Class 1 (invisible) @ 1310 nm

      · Class 2 @ 650 nm (visible) 
      · Class 1M @ 1310 nm (invisible)

      · Class 2 @ 650 nm (visible) 
      · Class 1M @ 1310 nm (invisible)

      · Class 2 @ 650 nm (visible) 
      · Class 1M @ 1310 nm (invisible)

      Optical head
      dimensions

      50 mm x 70 mm x 105 mm

      50 mm x 70 mm x 105 mm

      50 mm x 70 mm x 105 mm

      50 mm x 70 mm x 105 mm

      155 mm x 145 mm x 80 mm

      Electronic unit dimensions

      12.5 cm x 15.5 cm x 29.6 cm

      24.6 cm x 15.5 cm x 29.6 cm

      12.5 cm x 15.5 cm x 29.6 cm

      12.5 cm x 15.5 cm x 29.6 cm

      24.6 cm x 15.5 cm x 29.6 cm

      Optical head cable length

      2.5 m (5 m optional)

      2.5 m (5 m optional)

      2.5 m (5 m optional)

      2.5 m (5 m optional)

      2 m (5 m optional)

      Power supply

      · 110-120 VAC / 60 Hz

      · 220-240 VAC / 50 Hz

      · 110-120 VAC / 60 Hz

      · 220-240 VAC / 50 Hz

      · 110-120 VAC / 60 Hz

      · 220-240 VAC / 50 Hz

      · 110-120 VAC / 60 Hz

      · 220-240 VAC / 50 Hz

      · 110-120 VAC / 60 Hz

      · 220-240 VAC / 50 Hz

      Power consumption

      < 5 W

      < 5 W per channel (max 20 W)

      < 5 W

      < 5 W

      < 15 W

      I/O

      RS485 serial port

      RS485 serial port

      RS485 serial port

      RS485 serial port

      RS485 serial port

      Weight

      4 kg

      4¸6 kg

      4 kg

      4 kg

      6 kg

      Temperature (operating)

      Optical head:

      -20°C to +80°C (-4°F to +176°F)

      Main unit:
      0°C to +50°C (+32°F to +122°F)

      Optical head:

      -20°C to +80°C (-4°F to +176°F)

      Main unit:
      0°C to +50°C (+32°F to +122°F)

      Optical head:

      -20°C to +80°C (-4°F to +176°F)

      Main unit:
      0°C to +50°C (+32°F to +122°F)

      Optical head:

      -20°C to +80°C (-4°F to +176°F)

      Main unit:
      0°C to +50°C (+32°F to +122°F)

      Optical head:

      0°C to +80°C (+32°F to +176°F)

      Main unit:
      0°C to +50°C (+32°F to +122°F)

      注意:以上型號工作距離和頻率范圍可以根據(jù)客戶需求定制拓展,工作距離:1.2米,5米,

      10米,20米,30米甚至更遠(yuǎn)。頻率可以拓展到:3MHZ和10MHZ 。

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      MEMS結(jié)構(gòu)振動測試的顯微式激光測振系統(tǒng)基于自混干涉技術(shù)的激光測振儀的

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