D-327 2.5 Inch APERTURE PLANO INTERFEROMETER
The Plano Interferometer D-327 is an optical instrument for measuring flatness of polished surfaces where 2X magnification is advantageous. Non-technical personnel can make accurate measurements on reflective surfaces.
With this instrument there is no physical contact between the master reference and the surface to be measured, thus eliminating the use of costly optical flats that must be replaced when worn.
- No vibration table required in most cases
- 2X magnification over 2.5 inch (64 mm) working aperture
- Measures flatness to 0.000 001"
- Eliminate costly optical flats
- Operation simplicity cut set-up time
- No physical contact between master reference and selected surface
- Certification of accuracy traceable to NIST
For more theory of operation, please refer to the Principles of Interferometry Application Note.
Specifications:
| Working Aperture: | 2.5 inch (63.5 mm) | |
| Accuracy: | 1/10 Fringe (1/20 Wave) | |
| Light Source: | Helium Neon Laser at 6328Å (One Fringe = 0.000 012 4") or Yellow Laser at 5941Å (One Fringe = 0.000 011 7") | |
| Power Supply: | 115V/60Hz or 220V/50Hz | |
| Material: | Base: | Cast Iron |
| Housing, Column and Work Table: | Cast Aluminum | |
| Master Reference Flat: | Fused Silica | |
| Work Table: | 7 x 7 inch (178 x 178 mm) | |
| Adjustment Range: | 5 inch (127 mm) | |
| Overall Dimensions: | Height: | 23.5 inch (597 mm) |
| Base: | 14 x 12 inch (356 x 305 mm) | |
| Finish: | Ivory enamel | |
| Weight: | 85 lbs (38.6 kg) | |
| Shipping Weight: | 120 lbs (54.4 kg) | |
Optional Accessories:
104-0150-327 Fringe Analysis System eliminates any human error in evaluation of your parts
105-2761-327 Video Camera & Monitor with integral camera power supply. With this option readings become very easy even for unskilled personnel. Repeat readings are more accurate and faster. The camera eliminates any errors from parallax and greatly reduces eye fatigue. This option is easily added to existing Model D-271's.
105-2703 1 inch Retro-Reflecting Corner Cube
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