OFV-534 Compact Sensor Head - Tech. Data

Optics Specifications

Optics
Laser type	Helium neon (HeNe)
Laser protection class	Class 2, < 1 mW, eye-safe
Laser wavelength	633 nm, visible red laser beam
Cavity length	204 ± 1 mm
Minimum stand-off distance	200 mm
Aperture diameter 1/e²	6.2 mm … 5.2 mm (depending on stand-off distance)
Minimum spot size	1.5 μm (with VIB-A-20xLENS 20X objective)
Maxima of visibility (coherence)	287 mm +  n · 204 mm;  n = 0; 1; 2; ...
Video camera (optional)
Camera type	¼’’ CCD Color Board Camera
Active pixels (H x V)	510 x 492
Lens	F 4.5
Shutter speeds	Automatic from 1/60 to 1/100,000
Characteristics
Stand-off distance              mm		200	300	500	1000	2000	each m
Depth-of-field*                   mm		±2	±6	±19	±81	±339	-
Spot size (1/e²)                   µm		25	40	70	148	302	add 150
Camera field of view mm x mm		10 x 8	17 x 13	31 x 24	64 x 49	130 x 100	-

General Specifications

Ambient temperature	+5 °C … +40 °C (41 °F … 104 °F)
Storage temperature	-10 °C … +65 °C (14 °F … 149 °F)
Relative humidity	max.  80 %, non-condensing
Housing protection	IP-50 standard
Dimensions (L x W x H)	201 mm x 38 mm x 71 mm
Power consumption	max. 15 W
Compatibility	OFV-5000, OFV-2500 Series Vibrometer Controllers

Compliance with Standards

Laser safety	IEC/EN 60825-1 (CFR 1040.10, CFR 1040.11)
Electrical safety	IEC/EN 61010-1
EMC	IEC/EN 61326 Emission: FCC Class B, IEC/EN 61000-3-2 and 61000-3-3 Immunity: IEC/EN 61000-4-2 to 61000-4-6 and IEC/EN 61000-4-11

Options & Accessories

Camera Option	OFV-A-534-CAM (NTSC output); OFV-A-534-CAP (PAL output)
Microscope Objective	VIB-A-10xLENS (3 µm laser spot at 33.5 mm stand-off distance) VIB-A-20xLENS (1.5 μm laser spot at 20 mm stand-off distance) Use option OFV-A-534-CAM/CAP for viewing and displaying the image of the test object.