Instrument products > Laser Vibrometer

AT series

Technical Specs & Details

Specifications of AT500

Item AT500-05 AT500-20
Laser Portion
Laser output He-Ne gas laser (wavelength 632.8nm)
Configuration 1mW or less
Measuring range of distance 90mm to 600mm from lens surface*1
Focus function Manual/Auto*2
Shutter function Electromagnetic system (Interlock and remote control)
Demodulation portion
Velocity output Frequency characteristics DC to 50kHz*3 DC to 200kHz*3
Velocity range 10-3m/s/V 10-2m/s/V
Integrating
function
Frequency band 10Hz to 20kHz -
Displacement range 1μm/V -
Phase
compensation
Phase compensation range - DC to 200kHz*4
Output phase delay - Within ±5 deg*5
Filter*6 H.P.F. DC,10Hz,100Hz DC,10Hz,100Hz
L.P.F. 1kHz,10kHz,50kHz 5kHz,50kHz,200kHz
General
Remote functions Input: Auto Focus, Shutter, CAL
Output: Busy, Alarm, Level, Emission
Additional demodulation functions*7 Output for light input signal BNC terminal
Environment 5 to 35°C,30 to 80%R.H.
Power source AC adapter: AC100V to 240V/50 to 60Hz
Power consumption Approx. 50VA (AC)
External size [WxDxH] (Approx.) 113 * 329 * 142 mm (excluding protruding portions)
Weight (Approx.) 4.5kg

Remarks

*1: Beam diameter20μ m/90mm 100μ m/600mm

*2: Detection is limited

*3: Within |3dB

*4: Both H.P.F. and L.P.F. are OFF

*5: At 100kHz

*6: Attenuation factor: -24dB/OCT

*7: For other demodulation unit

Specifications of AT7500

Item AT7500
Scan range 40mm x 40mm
Number of measurement points 10,000 points (Max)
Measurement speed range 20μm/s to 3m/s
The number of input channels 2ch
Measurement function Speed measurement, displacement measurement (optional), acceleration measurement (optional)
Measurement
frequency range
Velocity measurement AT3600: DC to 200kHz
AT3700: DC to 1MHz
Displacement measurement 0.5Hz to 200kHz (Option)
Acceleration measurement 2Hz to 200kHz (Option)
Measurement data length 25,600 data/point (max)
Minimum beam diameter Minimum 20μm
Return position accuracy Within +/- 5μm (at the position of minimum beam diameter)
Sampling frequency 500Hz to 10MHz (Enables to set by 1, 2, and 5 steps)
A/D resolution 12 bits
Judge function Level, frequency level
Measurement speed Max 30 points/sec. (It varies with depending on measurement conditions.)
Rated power supply AC100V AC at 50Hz/60Hz*1

Remarks

*1: Estimation except for AC 100V