In-Plane Vibrometer - Technical Data

LSV-065-306F Sensor Head

General Specifications
Laser type	Diode laser, nom. 670 nm/10 mW (visible)
Laser class	3 B
Stand-off distance	300 mm
Nominal fringe spacing	4.00 µm
Depth of field	4 mm
Diameter of focal volume	150 µm
Protective housing type	IP 65 (with cable connector fixed)
Operating temperature	0 - 40 °C
Storage temperature	-10 - 60 °C
Maximum air humidity	100% without condensation
Dimensions	120 mm x 240 mm x 65 mm
Weight	1.9 kg
Cable	5 m interconnecting cable between optical head and controller

OFV-3310 Controller

Processing scheme	Analog frequency demodulation
Measurement ranges	DC velocity:-40 m/s ... +50 m/s, slope: (5 m/s per V) AC velocity in 4 ranges: 0.025 m s-1/V, 0.1 m s-1/V, 0.5 m s-1/V, 5 m s-1/V
Resolution (AC, 0.025 m×s1/V)	<25 µm/s in a 10 Hz spectral bandwidth
AC-frequency response (Filters OFF)	Range: 0.025 m s-1/V:            0.5 Hz ... 50 kHz : ± 1 dB Range:0.1 m s-1/V:                 0.5 Hz ... 50 kHz : ± 0.5 dB Range:0.5 m s-1/V:                 0.5 Hz ... 50 kHz : ± 0.5 dB Range:5 m s-1/V:                    0 Hz ... 50 kHz : ± 0.5 dB
Maximum acceleration	500,000 m/s2 (Tracking Filter FAST)
Signal output velocity DC	Voltage swing: +10/-8 Volt, Output impedance: 100 W Load impedance: min 10 kW (-1% additional  calibration error) Calibration accuracy: ± 2% of reading
Signal output velocity AC	Voltage swing: ± 10 Volt Output impedance:    50 W Load impedance: min 10 kW (-0.5% additional calibration error) Calibration accuracy: ± 2.5% of RMS reading
Filters	High pass 1 Hz ... 255 Hz (28settings), 4th order Butterworth Low pass 200 Hz ... 51 kHz (28 settings), 4th order Butterworth
Data display	Illuminated LCD for display of DC velocity and instrument settings
Interfaces	RS-232 and IEEE-488 Input Monitor: test output for the sensor Doppler signal (40 MHz) Output Monitor: test output for the conditioned Doppler signal (40 MHz)
Line Power	100/115/230 volt, 50/60 Hz
Power consumption	Max. 150 VA
Dimensions	450 mm x 360 mm x 145 mm (W x L x H)
Mass	11 kg
Operating temperature	+5°C... 40°C

OFV-3320 Controller

Processing scheme	Analog frequency demodulation
Measurement ranges	0.05 m s-1 / V      (1 m s-1 peak to peak) 0.25 m s-1 / V      (5 m s-1 peak to peak) 1.25 m s-1 / V    (25 m s-1 peak to peak)  10  m s-1 / V   (200 m s-1 peak to peak)
Peak acceleration	1.5 * 108 m s-2  (@ 100 m s-1 / 250 kHz)
Frequency range	0.5 Hz ... 250 kHz  (-3 dB)
Frequency response	Amplitude resp. flat within ±0.3 dB (10 Hz ... 50 kHz) phase roll-off -1.5 deg/kHz (typ.)
Signal output velocity AC	Voltage swing:                    ±10 Volt Output impedance:              50 W Load impedance:                 min. 10 kW (0.5 % additional calibration error) Calibration accuracy:           ±2.5 % of RMS reading @ T = (25 ± 5) °C  ±3.5 of RMS reading in full operating temp. range Linearity error:                    max. ±1 % within one particular range; max. ±2.5 % over all ranges
Filters	High pass 1 Hz…255 Hz (28 settings), 4th order Butterworth Low pass 200 Hz … 51 kHz (28 settings), 4th order Butterworth
Data display	Illuminated LCD for display of instrument settings
Interfaces	RS-232 and IEEE-488 Input Monitor: test output for the sensor Doppler signal (40 MHz) Output Monitor: test output for the conditioned Doppler signal (40 MHz)
Line Power	100/115/230 volt, 50/60 Hz
Power consumption	Max. 150 VA
Dimensions	450 mm x 360 mm x 145 mm (W x L x H)
Mass	11 kg
Operating temperature	+5 °C... 40 °C