D-305LD DIGITAL 5 Inch APERTURE PLANO INTERFEROMETER
- No vibration-isolation table required in most cases
- Built-in Filar Micrometer Eyepiece eliminates measuring errors
- Swiftly measures flatness to 0.000 001 inch
- Removable High-Resolution Digital Camera enables permanent interferogram recording for future reference
- Certification of accuracy traceable to NIST
The Digital Plano Interferometer Model D-305 incorporates a removable high-resolution Digital Camera onto a 3 position turret eyepiece consisting of an eyepiece for visual observation, a Filar Micrometer Eyepiece for accurate measurement of fringe intervals and the camera position for obtaining permanent digital interferograms. Extra attachments and accessories are no longer necessary.
The advanced design of this instrument provides the capability for assembly line and non-technical personnel to accurately measure surface flatness to 0.000 001 inch, with permanent records for future reference. One fringe = 0.000 012 4 inches or 0.000 316 mm.
For more theory of operation, please refer to the Principles of Interferometry Application Note.
Specifications:
| Working Aperture: | 5 inch (127 mm) | |
| Accuracy: | λ/20 (Fringe/10) 1 fringe = 0.000 012 4 inch (0.031 6mm) | |
| Light Source: | Helium Neon Laser wavelength 6328Å | |
| Power Requirements: | 115 volts/60 HZ or 220 volts/50 HZ | |
| Material: | Base: | Cast Iron |
| Housing, column and work table: | Cast Aluminum | |
| Master Reference Flat: | Fused Silica | |
| Work Table: | 8 x 8 inch (203 x 203 mm) | |
| Vertical Adjustment: | 4.75 inch (7.75 inch Available) (121 mm) | |
| Overall Dimensions: | Base: | 17 x 13 inch (432 x 330 mm) |
| Height: | 28 inch (711 mm) | |
| Finish: | Ivory enamel | |
| Weight: | 130 lbs (59 kg) | |
| Shipping Weight: | 160 lbs (72.6 kg) | |
Optional Accessories:
104-0150-305 Fringe Analysis System eliminates any human error in evaluation of your parts
105-2761-305 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-305's.
105-2703 1 inch Retro-Reflecting Cube Corner
Model D-190-103 Fringe Splitter
625-0015 Contrast Coated Divider Plate for evaluating mirrors
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Support Documentation |
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