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產(chǎn)品型號(hào)AT500 AT7500

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產(chǎn)品名稱：非接觸式激光測(cè)振儀產(chǎn)品型號(hào)：AT500AT7500產(chǎn)品簡(jiǎn)介：TheATSeriesLaserDopplerVibrometercanmeasurethevibrationofanobjectwithoutcontact,bymeansoftheopticalheterodynemethod

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產(chǎn)品名稱：非接觸式激光測(cè)振儀

產(chǎn)品型號(hào)：AT500 AT7500

產(chǎn)品簡(jiǎn)介：

The AT Series Laser Doppler Vibrometer can measure the vibration of an object without contact, by means of the optical heterodyne method. By FM-demodulating the difference in frequency between reference and measured light, the AT Series can detect the speed and frequency of an object's vibration, rendering microvibration measurement possible.

The wide range of AT Series applications includes pickups for DVDs, CDs, and HDDs, vibration analysis of audio equipment, as well as applications relating to the auto industry, general plant equipment, and micromachines.

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